CN110085472B - Rotary switch - Google Patents
Rotary switch Download PDFInfo
- Publication number
- CN110085472B CN110085472B CN201910511097.5A CN201910511097A CN110085472B CN 110085472 B CN110085472 B CN 110085472B CN 201910511097 A CN201910511097 A CN 201910511097A CN 110085472 B CN110085472 B CN 110085472B
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- China
- Prior art keywords
- conductive
- contact
- ring
- insulating base
- end cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000013016 damping Methods 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000007246 mechanism Effects 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification 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
- H01H19/10—Movable parts; 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
- H01H19/54—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
Landscapes
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The invention provides a rotary switch, which comprises an insulating base and an end cover, wherein the end cover is a conductive piece, a rotary unit is arranged on the insulating base, the rotary unit comprises contact damping, n conductive pieces (n is more than or equal to 2), the number of the rotary units is n, the rotary units are uniformly arranged on the insulating base in the circumferential direction, a conductive ring is movably sleeved on the insulating base in the circumferential direction, a conductive boss is arranged on the inner ring of the conductive ring, and current is transmitted through the contact damping, the conductive boss, the conductive ring and the end cover; the contact switching sleeve is an insulating piece, a notch part corresponding to the conductive boss is arranged on the insulating piece, and the rest n-1 contact damping contacts are all clung to the inner side surface of the contact switching sleeve. The rotary switch provided by the invention realizes radial layout of contacts and a rotary switch formed by corresponding mechanisms, and the rotary switch structure can realize axial series connection of the multistage switch, is compact in structure and small in occupied space, and solves the regulation and control of multistage parameters of multiple types under a limited space.
Description
Technical Field
The invention belongs to the field of rotary switches, and particularly relates to a rotary switch.
Background
The rotary switch is widely applied to various industries, contacts of the conventional switch structure are generally arranged on the end face, and a change-over switch is arranged at the axial middle position; the individual patents relate to switches in which the contacts are arranged radially, but the triggering mode is a push button or push-pull type. In the existing rotary switch, coaxial multistage series connection cannot be realized, so that multistage regulation and control of multiple types of parameters under the condition of space limitation are met.
Disclosure of Invention
In view of the above, the present invention is directed to a rotary switch for realizing radial layout, and a plurality of switches can be coaxially arranged.
In order to achieve the above purpose, the technical scheme of the invention is realized as follows:
the utility model provides a rotary switch, includes insulating base and rigid coupling's end cover, and the end cover is the conducting piece, is equipped with rotary unit on the insulating base coaxial, and this rotary unit includes:
the conductive ring is movably sleeved outside the insulating base in the circumferential direction, and a conductive boss is arranged on the inner ring of the conductive ring in a protruding manner;
the contact damping parts are conductive parts, the number of the contact damping parts is n (n is more than or equal to 2), each contact damping part is arranged along the radial direction of the insulating base, each contact damping contact protrudes out of the outer side surface of the insulating base, n contact damping contacts are positioned on the same circumferential surface, one contact damping contact is attached to a conductive boss, and the contact damping part, the conductive boss, the conductive ring and the end cover form a current path;
the contact switching sleeve is an insulating piece and is provided with a notch part corresponding to the conductive boss, the contact switching sleeve is fixedly arranged on the conductive ring inner ring, the notch part is used for avoiding the conductive boss, and the rest n-1 contact damping contacts are all tightly attached to the inner side surface of the contact switching sleeve;
the rotary handle is an insulating piece and is fixedly sleeved on the outer ring of the conducting ring.
Further, the top surface of the conductive boss is of a cambered surface structure which is concave and concentric with the conductive ring, the inner ring of the contact switching sleeve and the top surface of the conductive boss are positioned on the same cambered surface, the inner ring of the contact switching sleeve is provided with n-1 grooves, and the remaining n-1 contact damping contacts are respectively matched in one groove.
Furthermore, the end cover and the conductive ring are arranged opposite to each other, a plurality of conductive elastic pieces are uniformly arranged on the conductive ring opposite to the circumferential direction of the end surface of the end cover, and the conductive ring is connected with the end cover through the conductive elastic pieces.
Further, the conductive elastic piece comprises a spring and a plunger, the conductive ring is provided with a blind hole, the conductive elastic piece is arranged in the blind hole, and the top end of the plunger protrudes out of the blind hole to tightly press the end cover.
Further, each contact damper is inserted in the insulation base, the insulation base is a hollow piece, one end of each contact damper, which is away from the contact, is matched with a contact end of a connecting wire, the contact end is positioned in a cavity of the insulation base, a common wiring terminal is arranged at the center of the end cover, and the common wiring terminal is arranged in the cavity of the insulation base.
Further, the number of the rotating units is at least two, all the rotating units are axially arranged on the insulating base, the conducting ring of one rotating unit is connected with the conducting ring of the rotating unit adjacent to the rotating unit through an elastic conducting piece, and the rotating unit adjacent to the end cover is connected with the end cover through the elastic conducting piece.
Compared with the prior art, the rotary switch provided by the invention has the following advantages:
the rotary switch provided by the invention realizes radial layout of contacts and a rotary switch formed by corresponding mechanisms, and the rotary switch structure can realize axial series connection of the multistage switch, is compact in structure and small in occupied space, and solves the regulation and control of multistage parameters of multiple types under a limited space.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute an undue limitation on the invention. In the drawings:
fig. 1 is a schematic diagram of a rotary switch according to the present embodiment;
FIG. 2 is a schematic diagram of a single-stage rotary switch according to the present embodiment;
fig. 3 is a schematic diagram of a multi-stage rotary switch according to the present embodiment.
Reference numerals illustrate:
1-an insulating base; 2-rotating the handle; 3-conducting rings; 4-a conductive elastic member; 41-a plunger; 42-springs; 5-contact switching sleeves; 6-end caps; 7-contact damping; 8-contact terminals; 9-common terminal.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the invention, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the invention and simplify the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the creation of the present invention can be understood by those of ordinary skill in the art in a specific case.
The invention will be described in detail below with reference to the drawings in connection with embodiments.
In the first embodiment, as shown in fig. 1 and 2, a rotary switch includes an insulating base 1 and an end cover 6 fixedly connected with the insulating base 1, the insulating base 1 is used for being connected with equipment, the end cover 6 is a conductive member, in this embodiment, the insulating base 1 is preferably in a cylindrical structure, a rotary unit is disposed on the insulating base, in the first embodiment, the insulating base 1 is provided with a rotary unit, the rotary unit includes a contact damper 7, a contact switching sleeve 5, a conductive ring 3 and a rotary handle 2, where the contact damper 7 and the conductive ring are conductive members, the contact switching sleeve 5 and the rotary handle 2 are insulating members, the specific structure of the rotary unit is that the number of the contact dampers 7 is n, (n is greater than or equal to 2), the n contact dampers are disposed in a manner that each contact damper 7 is disposed along a radial direction of the insulating base 1, in this embodiment, the n contact dampers 7 are uniformly disposed along a circumferential direction, and the contact dampers 7 are inserted into mounting holes formed in a matching circumferential surface of the insulating base 1. The contact damping 7 comprises contacts and pressure springs, and the contact of each contact damping 7 protrudes out of the circumferential surface of the insulating base 1; the conductive ring 3 is movably sleeved on the insulating base 1 in the circumferential direction, the inner ring of the conductive ring 3 is protruded with a conductive boss, in this embodiment, the conductive boss and the conductive ring 3 are integrally formed, the conductive boss can also be independently a conductive metal piece, as long as a conductive path can be formed between the conductive boss and the conductive ring 3, the conductive boss is attached to one of the contacts of the contact damper 7, that is, the contact of the contact damper 7 is attached to the conductive boss under the action of a compression spring, and current is transmitted through the contact damper-conductive boss-conductive ring-end cover, that is, the contact damper 7-conductive boss-conductive ring 3-end cover 6 forms a current path. The contact switching sleeve 5 is provided with a notch part corresponding to the conductive boss, the contact switching sleeve 5 is fixedly arranged on the inner ring of the conductive ring 3, the notch part avoids the conductive boss, the rest n-1 contact damping 7 contacts are all tightly attached to the inner side surface of the contact switching sleeve 5, and as the contact switching sleeve 5 is an insulating piece, the setting of the contact switching sleeve 5 blocks the current from flowing between the contact damping 7 and the conductive ring 3, so that a current flowing path can only be conducted between the contact damping 7-the conductive boss-the conductive ring-end cover 6 contacted with the conductive boss, and a conductive loop is formed with the outside; when the rotary electric conduction device is used, the electric conduction ring 3 can be rotated according to the use requirement, the required contact damping 7 is enabled to contact the electric conduction boss, and a required current circulation loop is obtained.
In the first embodiment, the top surface of the conductive boss is of a cambered surface structure which is concave and concentric with the conductive ring 3, the inner ring of the contact switching sleeve 5 and the top surface of the conductive boss are located on the same cambered surface, that is, the inner ring of the contact switching sleeve 5 and the top surface of the conductive boss are flush, the top surface of the conductive boss is provided with a groove, the contact of the contact damper 7 closely attached to the conductive boss is matched and tightly pressed in the groove, the inner ring of the contact switching sleeve 5 is provided with n-1 grooves, and the remaining n-1 contact damper contacts 7 are respectively matched and tightly pressed in one groove of the contact switching sleeve 5. The mechanism realizes that each damping contact 7 is respectively matched in one groove, and the rotating position is further accurate when the rotating conductive ring 3 changes to be connected with a circuit.
In the first embodiment, the end cover 6 and the conductive ring 3 may be directly contacted, and since the conductive ring 3 is a rotating member, in order to improve the current conducting effect and further improve the structural compactness of the rotary switch, the end cover 6 and the conductive ring 3 are opposite to each other, and the conductive ring 3 is uniformly provided with a plurality of conductive elastic members 4, which are conductive members, opposite to the circumferential direction of the end surface of the end cover 6. Preferably, the conductive elastic member 4 comprises a spring 41 and a plunger 42, the conductive ring 3 is uniformly provided with a plurality of blind holes corresponding to one conductive elastic member 4 respectively in the circumferential direction of the end face opposite to the end cover 6, the conductive elastic member 4 is arranged in the corresponding blind hole, the top end of the plunger 42 protrudes out of the blind hole, the end cover 6 is tightly pressed under the action of the spring 41, and the stable circulation of current between the conductive ring 3 and the end cover 6 is ensured through the conductive elastic member 4. In this embodiment, the circumferential surface of the insulating base 1 protrudes in the circumferential direction of one end away from the end cover 6, and the conductive ring 3 is opposite to the annular outer edge, that is, the conductive ring 3 is disposed in an annular space formed by the annular outer edge, the insulating base and the end cover 6, so that the conductive elastic member 4 performs an electrical conduction function on one hand, and performs a limiting function on the axial position of the conductive ring 3, that is, the relative position of the conductive elastic member and the end cover 6 on the other hand, in order to limit the axial position of the rotating unit in the other direction, a plurality of conductive elastic members 4 are uniformly disposed in the circumferential direction of the annular outer edge, the contacts of the conductive elastic members are axially tightly attached to the conductive ring 3, and the conductive elastic members 4 are used for limiting the position of the conductive ring relative to the annular outer edge, so that the conductive ring is axially limited on the insulating base 1 and can only rotate in the circumferential direction relative to the insulating base 1. The installation mode of the conductive elastic piece 4 on the annular outer eave is the same as the installation mode of the conductive elastic piece 4 on the conductive ring 3, and details are omitted. Each contact damper 7 is inserted in the insulating base 1, the insulating base 1 is a hollow member, namely, a cavity is formed in the insulating base, one end of each contact damper 7, deviating from a contact, is matched with a contact end 8 of a connecting wire, the contact end 8 is a conductive member, the contact end 8 is positioned in the cavity of the insulating base 1, a public wiring terminal 9 is arranged at the center of the end cover 6, the public wiring terminal 9 is a conductive member, and the public wiring terminal 9 is arranged in the cavity of the insulating base 1. Through rotating rotary handle 2, realize the switching between contact damping 7 and the conductive boss, and then realize the switching of gear, only 1 contact damping 7 keeps electrically connected switching on in the assurance this one-level rotary switch.
In the second embodiment, as shown in fig. 3, the number of the rotating units is at least two, and the number of the rotating units can be appropriately selected according to needs, for example, 2-6 rotating units form a multi-stage rotating switch, each rotating unit is axially and uniformly arranged on the insulating base 1, so as to form a mounting mode that a plurality of rotating units are axially and serially mounted on the insulating base, and the design principle of each rotating unit is the same as the current passing principle of the primary rotating switch, and will not be described again. In the multistage rotary switch, in order to ensure that a current path is formed between each rotary unit and the end cover, a conductive elastic piece 4 is arranged between a conductive ring 3 of one rotary unit and a conductive ring 3 of the rotary unit adjacent to the conductive ring, and a conductive elastic piece 4 is arranged between a conductive piece 3 of the rotary unit adjacent to the end cover 6 and the end cover 6, and the conductive elastic piece 4 is a conductive piece, so that the conducting effect of current transmission of each rotary unit is realized independently. For example, the current of the rotary unit adjacent to the end cover directly passes through the conducting piece, namely the conducting elastic piece 4 and the end cover 6 to form a current path; the current flow path of the rotary unit not immediately adjacent to the end cover is: the rotary unit contact damper, the rotary unit conductive boss, the rotary unit conductive ring, and the end cover sequentially pass through the conductive ring (current flows between the adjacent two conductive rings through the conductive elastic member 4), and the end cover, thereby forming a current flow path of the rotary unit. The coaxial multistage serial rotary unit structure finally realizes the regulation and control of multistage parameters of multiple types.
The above embodiments are merely preferred embodiments of the present invention and are not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (3)
1. A rotary switch, characterized in that: including insulating base (1) and end cover (6) of rigid coupling thereof, end cover (6) are the electrically conductive piece, are equipped with rotary unit on insulating base (1) coaxial, and this rotary unit includes:
the conductive ring (3) is sleeved outside the insulating base (1) in a circumferential movable way, and a conductive boss is arranged on the inner ring of the conductive ring (3) in a protruding way;
the contact damping (7) are conductive pieces and are arranged on the insulating base (1), the number of the contact damping (7) is n, n is more than or equal to 2, each contact damping (7) is radially arranged along the insulating base (1), each contact damping (7) contact protrudes out of the outer side surface of the insulating base (1), n contact damping (7) contacts are positioned on the same circumferential surface, one contact damping (7) contact is attached to a conductive boss, and a current path is formed by the contact damping (7) - - -the conductive boss- - -the conductive ring (3) - - -, and the end cover (6);
the contact switching sleeve (5) is an insulating piece and is provided with a notch part corresponding to the conductive boss, the contact switching sleeve (5) is fixedly arranged on the inner ring of the conductive ring (3), the notch part is used for avoiding the conductive boss, and the rest n-1 contact damping (7) contacts are all tightly attached to the inner side surface of the contact switching sleeve (5);
the rotary handle (2) is an insulating piece and is fixedly sleeved on the outer ring of the conducting ring (3);
the top surface of the conductive boss is of a cambered surface structure which is concave and concentric with the conductive ring (3), the inner ring of the contact switching sleeve (5) and the top surface of the conductive boss are positioned on the same cambered surface, the inner ring of the contact switching sleeve (5) is provided with n-1 grooves, and the rest n-1 contact damping (7) contacts are respectively matched in one groove; the end cover (6) and the conductive ring (3) are arranged opposite to each other, a plurality of conductive elastic pieces (4) are uniformly arranged on the conductive ring (3) opposite to the end surface of the end cover (6) in the circumferential direction, and the conductive ring (3) is connected with the end cover (6) through the conductive elastic pieces (4); the conductive elastic piece (4) comprises a spring (41) and a plunger (42), the conductive ring (3) is provided with a blind hole, the conductive elastic piece (4) is arranged in the blind hole, and the top end of the plunger (42) protrudes out of the blind hole to tightly press the end cover (6).
2. A rotary switch as claimed in claim 1, wherein: each contact damper (7) is inserted into the insulating base (1), the insulating base (1) is a hollow piece, one end of each contact damper (7) deviating from a contact is matched with a contact end (8) of a connecting wire, the contact end (8) is located in a cavity of the insulating base (1), a public wiring terminal (9) is arranged at the center of the end cover (6), and the public wiring terminal (9) is arranged in the cavity of the insulating base (1).
3. A rotary switch according to any one of claims 1-2, characterized in that: the number of the rotating units is at least two, all the rotating units are axially arranged on the insulating base (1), the conducting ring of one rotating unit is connected with the conducting ring of the rotating unit adjacent to the rotating unit through the conducting elastic piece, and the rotating unit adjacent to the end cover (6) is connected with the end cover (6) through the conducting elastic piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511097.5A CN110085472B (en) | 2019-06-13 | 2019-06-13 | Rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910511097.5A CN110085472B (en) | 2019-06-13 | 2019-06-13 | Rotary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110085472A CN110085472A (en) | 2019-08-02 |
| CN110085472B true CN110085472B (en) | 2024-02-13 |
Family
ID=67424251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910511097.5A Active CN110085472B (en) | 2019-06-13 | 2019-06-13 | Rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110085472B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114242502B (en) * | 2021-11-12 | 2022-09-30 | 泰创科技股份有限公司 | Adjustable damping's intelligent house rotary switch |
| CN114618751A (en) * | 2022-03-11 | 2022-06-14 | 武汉飞恩微电子有限公司 | Frame bonding equipment for assembling full-automatic pressure sensor |
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|---|---|---|---|---|
| GB618930A (en) * | 1946-11-13 | 1949-03-01 | Elcalor A G Fabrik Fuer Elektr | Improvements in or relating to rotary electric switches |
| GB1430228A (en) * | 1969-06-13 | 1976-03-31 | Heckler & Koch Gmbh | Electrical switch |
| DE2806713A1 (en) * | 1977-02-17 | 1978-08-24 | Murata Manufacturing Co | ELECTRIC SWITCH |
| CN201946483U (en) * | 2010-10-12 | 2011-08-24 | 林振德 | Multifunctional rotary switch |
| 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 |
| CN107768172A (en) * | 2017-11-22 | 2018-03-06 | 西安庆安电气控制有限责任公司 | A kind of rotary switch |
| CN108417429A (en) * | 2018-03-20 | 2018-08-17 | 浙江正泰电器股份有限公司 | Electrical rotary switch |
| CN210040024U (en) * | 2019-06-13 | 2020-02-07 | 天津航天机电设备研究所 | Rotary switch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9469420B2 (en) * | 2014-04-22 | 2016-10-18 | The Boeing Company | Shaft assembly for rotary switch |
-
2019
- 2019-06-13 CN CN201910511097.5A patent/CN110085472B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB618930A (en) * | 1946-11-13 | 1949-03-01 | Elcalor A G Fabrik Fuer Elektr | Improvements in or relating to rotary electric switches |
| GB1430228A (en) * | 1969-06-13 | 1976-03-31 | Heckler & Koch Gmbh | Electrical switch |
| DE2806713A1 (en) * | 1977-02-17 | 1978-08-24 | Murata Manufacturing Co | ELECTRIC SWITCH |
| CN201946483U (en) * | 2010-10-12 | 2011-08-24 | 林振德 | Multifunctional rotary switch |
| 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 |
| CN107768172A (en) * | 2017-11-22 | 2018-03-06 | 西安庆安电气控制有限责任公司 | A kind of rotary switch |
| CN108417429A (en) * | 2018-03-20 | 2018-08-17 | 浙江正泰电器股份有限公司 | Electrical rotary switch |
| CN210040024U (en) * | 2019-06-13 | 2020-02-07 | 天津航天机电设备研究所 | Rotary switch |
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| Title |
|---|
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| Publication number | Publication date |
|---|---|
| CN110085472A (en) | 2019-08-02 |
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