CN106783335B - Rotary switch - Google Patents
Rotary switch Download PDFInfo
- Publication number
- CN106783335B CN106783335B CN201710089425.8A CN201710089425A CN106783335B CN 106783335 B CN106783335 B CN 106783335B CN 201710089425 A CN201710089425 A CN 201710089425A CN 106783335 B CN106783335 B CN 106783335B
- Authority
- CN
- China
- Prior art keywords
- hole
- mandrel
- support
- rotary switch
- static contact
- 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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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
- H01H19/64—Encased switches adapted for ganged operation when assembled in a line with identical switches, e.g. stacked switches
-
- 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
Landscapes
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
Abstract
The present invention relates to electric switch technical fields.The present invention discloses a kind of rotary switch, including at least one layer of support frame；It is set on first diagonal line of the first side of support frame as described above there are two mounting portion, sets that there are two receiving portions on the second diagonal line；The bottom of the mounting portion is equipped with static contact, and the middle part of described accommodation section is equipped with first through hole；Plane perpendicular to the axis of the first through hole is the first plane, and the first through hole is greater than or equal to the size of projection of the static contact in first plane in the size of the projection in first plane.The present invention provides a kind of rotary switch, not only volume compact, easy to operate, but also can prevent that stationary contact is misplaced position in process.
Description
Technical field
The present invention relates to electric switch technical field more particularly to a kind of rotary switch.
Background technique
Device for switching refers to the switch in low-voltage electrical apparatus as infrequently manual ON and disjunction circuit, or as lathe
The insertion switch of power supply in circuit.Rotary switch is one kind of device for switching, it is however generally that, rotary switch is provided with dynamic touching
Point, stationary contact and rotating mechanism, rotary motion mechanism, so that it may change the position of movable contact, and then switch movable contact and stationary contact
The contact condition of point, the on-off of control circuit.
Rotary switch has many merits such as volume compact, easy to operate, so in occupation of the great market share.
Summary of the invention
It is an object of the present invention to: a kind of rotary switch is provided, not only volume compact, easy to operate, Er Qieke
To prevent that stationary contact is misplaced position in process.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of rotary switch, including at least one layer of support frame；
Set on first diagonal line of the first side of support frame as described above there are two mounting portion, set on the second diagonal line there are two
Receiving portion；
The bottom of the mounting portion is equipped with static contact, and the middle part of described accommodation section is equipped with first through hole；
Plane perpendicular to the axis of the first through hole is the first plane, and the first through hole is in first plane
Projection size be greater than or equal to projection of the static contact in first plane size.
Specifically, the size of projection refers to the length being projected in first plane or width.
As a preferred embodiment, support frame as described above include first support and below first support second
Bracket；
Mounting portion in the first support is the first fixed part, and the receiving portion in the first support is the
One storage part；
Mounting portion in the second support is the second fixed part, and the receiving portion in the second support is the
Two storage parts.
Specifically, for the mounting portion for installing and fixing static contact, bilevel mounting portion and receiving portion are mutual
Dislocation, to substantially increase creepage distance and the air gap.Projection of the first through hole in first plane
Size is greater than or equal to the size of projection of the static contact in first plane, so that it may in process will prevent
Stationary contact misplaces position, is mistakenly installed in receiving portion.
Further, including mandrel；
The first support and second support are respectively arranged below with movable contact spring；
The movable contact spring includes the first contact and the second wafer, the first distance between first contact and the second wafer
Less than the static contact close to the thickness of one end of the movable contact spring；
The middle part of support frame as described above is equipped with the second through-hole, and the size in the section of second through-hole is greater than cutting for the mandrel
The size in face；
The middle part of the movable contact spring is equipped with third through-hole；The section of the shape in the section of the third through-hole and the mandrel
Shape it is identical；The size in the section of the third through-hole is equal to the size in the section of the mandrel；
The mandrel runs through second through-hole and third through-hole；
The minimum range of the static contact to the mandrel is less than the movable contact spring to the maximum distance of the mandrel.
Specifically, the size in the section refers specifically to the length and width of the shape in section.
Specifically, the thickness of the static contact refers to size of the static contact on the direction perpendicular to first contact.
Specifically, rotation mandrel's movable contact spring rotates with it, when rotating the first contact and the second wafer, until static contact is located at
When between the first contact and the second wafer, the first contact, static contact and the second wafer are in close contact, circuit conducting；When rotation the
One contact and the second wafer, until when static contact is not located between the first contact and the second wafer, the first contact and the second wafer
Centre has interval, and circuit disconnects.
Preferably, second through-hole is circular hole；The third through-hole is square hole.
Further, it is additionally provided on the movable contact spring and blocks ring, the ring that blocks includes the first protection board being parallel to each other
With the second protection board, the second distance between first protection board and the second protection board is greater than the first distance；
The maximum distance for blocking ring to the mandrel is greater than the static contact to the minimum range of the mandrel, and small
In the movable contact spring to the maximum distance of the mandrel.
Specifically, the ring that blocks is protected static contact in the first protection board and the second protection board for protecting static contact
Between, prevent other objects other than movable contact spring from contacting with static contact.
As a preferred embodiment, the static contact is equipped with threaded hole；
The static contact is equipped with connection terminal far from the side of the mounting portion, and the connection terminal includes coaxial arrangement
Spring, pressing plate and bolt；
Pressing plate described in the bolt-through is threadedly coupled with the threaded hole；
The spring is arranged between the pressing plate and the threaded hole.
Specifically, the first through hole of described accommodation section can be also used for accommodating the static contact connecting with the mounting portion above it
Connection terminal.By turning bolt, so that it may adjust the pressure between pressing plate and mounting portion, and then tighten connection terminal and electricity
The degree that is connected firmly of source line.
Further, the mounting portion is equipped with first baffle in the first side, and described accommodation section is described first
Side is equipped with second baffle；
The first baffle is equipped with recessing groove.
Specifically, screwdriver protrudes into the first through hole above it by the recessing groove on the first baffle, and then turns
Bolt.
Further, the axis of the axis of the recessing groove and the bolt is point-blank.
Further, the angle of the axis of the recessing groove and the first baffle is 45 °.
Preferably, the angle is 30 ° or 60 °.
As a preferred embodiment, the bottom of the mounting portion is equipped with mounting groove, described in static contact insertion
In mounting groove.
Specifically, it is embedded in static contact in the mounting groove, is easily installed and fixes.
Further, the depth of the mounting groove is equal to the thickness of the static contact.
The invention has the benefit that provide a kind of rotary switch, by setting mounting portion and receiving portion, not only volume
It is compact, easy to operate, and can prevent that stationary contact is misplaced position in process.
Detailed description of the invention
The present invention will be further described in detail below based on the drawings and embodiments.
Fig. 1 is the schematic three dimensional views figure of rotary switch described in embodiment；
Fig. 2 is the schematic diagram of the upper surface of first support described in embodiment；
Fig. 3 is the schematic diagram of the bottom surface of first support described in embodiment；
Fig. 4 is the schematic three dimensional views of parts thereof described in embodiment.
In figure:
1, knob；2, upper cover；3, first support；301, the first fixed part；302, the first storage part；4, second support；5,
Back box；6, connection terminal；7, static contact；8, the first contact；9, the second wafer；10, the first protection board；11, the second protection board；
12, mandrel；13, recessing groove；14, first through hole.
Specific embodiment
To further illustrate the technical scheme of the present invention below with reference to the accompanying drawings and specific embodiments.
As shown in Figure 1 to 4, a kind of rotary switch successively includes knob 1, upper cover 2, two layers of support frame from top to bottom
With back box 5；It is set on first diagonal line of the first side of support frame there are two mounting portion, sets that there are two accommodate on the second diagonal line
Portion；The bottom of mounting portion is equipped with mounting groove, and the depth of mounting groove is equal to the thickness of static contact 7, and static contact 7 is embedded in mounting groove,
The middle part of receiving portion is equipped with first through hole 14；Plane perpendicular to the axis of first through hole 14 is the first plane, first through hole 14
The size of projection on the first plane is greater than or equal to the size of the projection of static contact 7 on the first plane.Specifically, it projects
Size refer to projection length on the first plane or width.
Support frame includes first support 3 and the second support 4 positioned at 3 lower section of first support；Peace in first support 3
Dress portion is the first fixed part 301, and the receiving portion in first support 3 is the first storage part 302；In second support 4
Mounting portion is the second fixed part, and the receiving portion in second support 4 is the second storage part.
Specifically, for mounting portion for installing and fixing static contact 7, bilevel mounting portion and receiving portion are mutual dislocations
, to substantially increase creepage distance and the air gap.The size of the projection of first through hole 14 on the first plane be greater than or
Equal to the size of the projection of static contact 7 on the first plane, so that it may it prevents that stationary contact is misplaced position in process, it is wrong
Accidentally it is installed in receiving portion.
Rotary switch further includes mandrel 12；The lower section of first support 3 and second support 4 is equipped with movable contact spring；Movable contact spring packet
The first contact 8 and the second wafer 9 are included, the first distance between the first contact 8 and the second wafer 9 is less than static contact 7 close to dynamic touching
The thickness of one end of piece；The middle part of support frame is equipped with the second through-hole, and the size in the section of the second through-hole is greater than the section of mandrel 12
Size；The middle part of movable contact spring is equipped with third through-hole；The shape in the section of third through-hole is identical as the shape in the section of mandrel 12；
The size in the section of third through-hole is equal to the size in the section of mandrel 12；Mandrel 12 runs through the second through-hole and third through-hole；Stationary contact
The minimum range of piece 7 to mandrel 12 is less than movable contact spring to the maximum distance of mandrel 12.
Specifically, the size in section refers specifically to the length and width of the shape in section.
Specifically, the thickness of static contact 7 refers to size of the static contact 7 on the direction perpendicular to the first contact 8.
Specifically, 12 movable contact spring of rotation mandrel rotates with it, when rotating the first contact 8 and the second wafer 9, until static contact
7 between the first contact 8 and the second wafer 9 when, the first contact 8, static contact 7 and the second wafer 9 are in close contact, and circuit is led
It is logical；When the first contact 8 of rotation and the second wafer 9, until when static contact 7 is not between the first contact 8 and the second wafer 9, the
There is interval, circuit disconnects among one contact 8 and the second wafer 9.
In this present embodiment, the second through-hole is circular hole；Third through-hole is square hole.In other embodiments, the second through-hole and
Third through-hole may be the hole of elliptical aperture, hexagonal hole or other shapes.
It is additionally provided on movable contact spring and blocks ring, blocking ring includes the first protection board 10 and the second protection board 11 being parallel to each other,
Second distance between first protection board 10 and the second protection board 11 is greater than first distance；Block ring to mandrel 12 maximum distance
Greater than the minimum range that static contact 7 arrives mandrel 12, and less than the maximum distance of movable contact spring to mandrel 12.Specifically, ring use is blocked
It is prevented other than movable contact spring the protection of static contact 7 between the first protection board 10 and the second protection board 11 in protection static contact 7
Other objects are contacted with static contact 7.
Static contact 7 is equipped with threaded hole；Static contact 7 is equipped with connection terminal 6 far from the side of mounting portion, and connection terminal 6 wraps
Include the spring, pressing plate and bolt of coaxial arrangement；Bolt-through pressing plate is threadedly coupled with threaded hole；Spring is arranged in pressing plate and screw thread
Between hole.
Specifically, the first through hole 14 of receiving portion can be also used for accommodating the static contact 7 connecting with the mounting portion above it
Connection terminal 6.By turning bolt, so that it may adjust the pressure between pressing plate and mounting portion, and then tighten connection terminal 6 with
The degree that is connected firmly of power supply line.
Mounting portion is equipped with first baffle on the first side, and receiving portion is equipped with second baffle on the first side；First gear
Plate is equipped with recessing groove 13, and recessing groove 13 is located at the lower section of first through hole 14, and the axis of recessing groove 13 and the axis of bolt are one
On straight line, the axis of recessing groove 13 and the angle of first baffle are 45 °.Specifically, screwdriver passes through allowing on first baffle
Position slot 13 protrudes into the first through hole 14 above it, and then turns bolt.
In other embodiments, the axis of recessing groove 13 and the angle of first baffle are 30 ° or 60 °.
In other embodiments, the number of plies of support frame is for one layer or three layers or more.
" first " herein, " second " have no special meaning just for the sake of being distinguish in description.
It is to be understood that above-mentioned specific embodiment is only that presently preferred embodiments of the present invention and institute's application technology are former
Reason, within the technical scope of the present disclosure, variation that anyone skilled in the art is readily apparent that or
Replacement, should be covered by the scope of protection of the present invention.
Claims (10)
1. a kind of rotary switch, which is characterized in that
Including at least one layer of support frame；
It is set on first diagonal line of the first side of support frame as described above there are two mounting portion, sets that there are two accommodate on the second diagonal line
Portion；
The bottom of the mounting portion is equipped with static contact, and the middle part of described accommodation section is equipped with first through hole；
Plane perpendicular to the axis of the first through hole is the first plane, throwing of the first through hole in first plane
The size of shadow is greater than or equal to the size of projection of the static contact in first plane.
2. rotary switch according to claim 1, which is characterized in that
Support frame as described above includes first support and the second support below first support；
Mounting portion in the first support is the first fixed part, and the receiving portion in the first support is deposited for first
Put portion；
Mounting portion in the second support is the second fixed part, and the receiving portion in the second support is deposited for second
Put portion.
3. rotary switch according to claim 2, which is characterized in that
Including mandrel；
The first support and second support are respectively arranged below with movable contact spring；
The movable contact spring includes the first contact and the second wafer, and the first distance between first contact and the second wafer is less than
Thickness of the static contact close to one end of the movable contact spring；
The middle part of support frame as described above is equipped with the second through-hole, and the size in the section of second through-hole is greater than the section of the mandrel
Size；
The middle part of the movable contact spring is equipped with third through-hole；The shape in the section of the shape in the section of the third through-hole and the mandrel
Shape is identical；The size in the section of the third through-hole is equal to the size in the section of the mandrel；
The mandrel runs through second through-hole and third through-hole；
The minimum range of the static contact to the mandrel is less than the movable contact spring to the maximum distance of the mandrel.
4. rotary switch according to claim 3, which is characterized in that
It being additionally provided on the movable contact spring and blocks ring, the ring that blocks includes the first protection board and the second protection board being parallel to each other,
Second distance between first protection board and the second protection board is greater than the first distance；
The maximum distance for blocking ring to the mandrel is greater than the static contact to the minimum range of the mandrel, and is less than institute
State movable contact spring to the mandrel maximum distance.
5. rotary switch according to claim 1, which is characterized in that
The static contact is equipped with threaded hole；
The static contact is equipped with connection terminal far from the side of the mounting portion, and the connection terminal includes the bullet of coaxial arrangement
Spring, pressing plate and bolt；
Pressing plate described in the bolt-through is threadedly coupled with the threaded hole；
The spring is arranged between the pressing plate and the threaded hole.
6. rotary switch according to claim 5, which is characterized in that
The mounting portion is equipped with first baffle in the first side, and described accommodation section is equipped with second in the first side
Baffle；
The first baffle is equipped with recessing groove.
7. rotary switch according to claim 6, which is characterized in that
The axis of the axis of the recessing groove and the bolt is point-blank.
8. rotary switch according to claim 6, which is characterized in that the axis of the recessing groove and the first baffle
Angle be 45 °.
9. rotary switch according to claim 1, which is characterized in that
The bottom of the mounting portion is equipped with mounting groove, and the static contact is embedded in the mounting groove.
10. rotary switch according to claim 9, which is characterized in that
The depth of the mounting groove is equal to the thickness of the static contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089425.8A CN106783335B (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710089425.8A CN106783335B (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106783335A CN106783335A (en) | 2017-05-31 |
| CN106783335B true CN106783335B (en) | 2019-11-26 |
Family
ID=58958777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710089425.8A Active CN106783335B (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106783335B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108695099B (en) * | 2018-05-31 | 2019-11-15 | 沈阳隆迪电器设备有限公司 | A kind of flexible multi gear manual change-over switch of positioning |
| CN112863909A (en) * | 2021-01-04 | 2021-05-28 | 东风柳州汽车有限公司 | Manual maintenance switch |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078263A (en) * | 2008-04-01 | 2014-10-01 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN104871274A (en) * | 2012-12-20 | 2015-08-26 | Abb有限公司 | Movable contact of electric switch |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4518832A (en) * | 1983-08-24 | 1985-05-21 | Haydon Switch & Instrument, Inc. | Rotary and/or push-pull wiping switch |
| CN205789650U (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 on-off system and rotary switch |
| CN206490010U (en) * | 2017-02-20 | 2017-09-12 | 上海舒森电子科技有限公司 | Rotary switch |
-
2017
- 2017-02-20 CN CN201710089425.8A patent/CN106783335B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078263A (en) * | 2008-04-01 | 2014-10-01 | 埃瓦克控股有限公司 | Electrical rotary switch |
| CN104871274A (en) * | 2012-12-20 | 2015-08-26 | Abb有限公司 | Movable contact of electric switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106783335A (en) | 2017-05-31 |
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