CN206490010U - Rotary switch - Google Patents
Rotary switch Download PDFInfo
- Publication number
- CN206490010U CN206490010U CN201720149682.1U CN201720149682U CN206490010U CN 206490010 U CN206490010 U CN 206490010U CN 201720149682 U CN201720149682 U CN 201720149682U CN 206490010 U CN206490010 U CN 206490010U
- 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.)
- Withdrawn - After Issue
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- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Abstract
The utility model is related to electric switch technical field.The utility model discloses a kind of rotary switch, including at least one layer of support frame；First diagonal of the first side of support frame as described above is provided with two installation portions, and the second diagonal is provided with two receiving portions；The bottom of the installation portion is provided with static contact, and the middle part of described accommodation section is provided with first through hole；It is the first plane perpendicular to the plane of the axis of the first through hole, the size of projection of the first through hole in first plane is more than or equal to the size of projection of the static contact in first plane.The utility model provides a kind of rotary switch, not only volume compact, easy to operate, and can prevent that stationary contact is misplaced into position in process.
Description
Technical field
The utility model is related to electric switch technical field, more particularly to a kind of rotary switch.
Background technology
Device for switching refers to as infrequently manual ON and the switch of disjunction circuit in low-voltage electrical apparatus, or is used 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 touch
Point, stationary contact and rotating mechanism, rotary motion mechanism, it is possible to change the position of movable contact, and then switch movable contact and stationary contact
The contact condition of point, controls the break-make of circuit.
Rotary switch has volume compact, many merits such as easy to operate, so in occupation of the great market share.
Utility model content
A purpose of the present utility model is：A kind of rotary switch is provided, not only volume compact, easy to operate, and
And can prevent that stationary contact is misplaced into position in process.
For up to this purpose, the utility model uses following technical scheme：
A kind of rotary switch, including at least one layer of support frame；
First diagonal of the first side of support frame as described above is provided with two provided with two installation portions, the second diagonal
Receiving portion；
The bottom of the installation portion is provided with static contact, and the middle part of described accommodation section is provided 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 more 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
Support；
Installation portion in the first support is the first fixed part, and the receiving portion in the first support is the
One storage part；
Installation portion in the second support is the second fixed part, and the receiving portion in the second support is the
Two storage parts.
Specifically, the installation portion is used to installing and fixing static contact, and bilevel installation portion and receiving portion are mutual
Dislocation, so as to significantly increase creep age distance and the air gap.Projection of the first through hole in first plane
Size is more than or equal to the size of projection of the static contact in first plane, it is possible 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 one end of the movable contact spring thickness；
The middle part of support frame as described above is provided with the second through hole, and the size in the section of second through hole is more than cutting for the mandrel
The size in face；
The middle part of the movable contact spring is provided with third through-hole；The shape in the section of the third through-hole and the section of 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 ultimate range 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 concomitant rotation, 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 turn-on；When rotating 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 with the movable contact spring and blocks ring, it is described to block the first protection board that ring includes being parallel to each other
With the second protection board, the second distance between first protection board and the second protection board is more than first distance；
The ultimate range for blocking ring to the mandrel is more than the static contact to the minimum range of the mandrel, and small
In the ultimate range of the movable contact spring to the mandrel.
Specifically, the ring that blocks is used to protect static contact, static contact protection in the first protection board and the second protection board
Between, prevent other objects beyond movable contact spring from being contacted with static contact.
As a preferred embodiment, the static contact is provided with screwed hole；
Side of the static contact away from the installation portion is provided with connection terminal, and the connection terminal includes what is be coaxially disposed
Spring, pressing plate and bolt；
Pressing plate is threadedly coupled with the screwed hole described in the bolt-through；
The spring is arranged between the pressing plate and the screwed hole.
Specifically, the first through hole of described accommodation section can be also used for accommodating the static contact being connected with the installation portion above it
Connection terminal.By turning bolt, it is possible to adjust the pressure between pressing plate and installation portion, and then tighten connection terminal and electricity
The degree that is connected firmly of source line.
Further, the installation portion is provided with first baffle in the first side, and described accommodation section is described first
Side is provided with second baffle；
The first baffle is provided with slot to make way.
Specifically, the first through hole that screwdriver is stretched into above it by the slot to make way on first plate washer, and then turn
Bolt.
Further, the axis of the axis of the slot to make way and the bolt is point-blank.
Further, the angle of the axis of the slot to make way and first plate washer is 45 °.
It is preferred that, the angle is 30 ° or 60 °.
As a preferred embodiment, the bottom of the installation portion is provided with mounting groove, the static contact insertion is described
In mounting groove.
Specifically, static contact is embedded in the mounting groove, be easily installed and fix.
Further, the depth of the mounting groove is equal to the thickness of the static contact.
The beneficial effects of the utility model are：A kind of rotary switch is provided, by setting installation portion and receiving portion, not only
It is volume compact, easy to operate, and can prevent that stationary contact is misplaced into position in process.
Brief description of the drawings
The utility model is described in further detail below according to drawings and examples.
Fig. 1 is the schematic three dimensional views figure of the rotary switch described in embodiment；
Fig. 2 is the schematic diagram of the upper surface of the first support described in embodiment；
Fig. 3 is the schematic diagram of the bottom surface of the first support described in embodiment；
Fig. 4 is the schematic three dimensional views of the parts thereof described in embodiment.
In figure：
1st, knob；2nd, upper lid；3rd, first support；301st, the first fixed part；302nd, the first storage part；4th, second support；5、
Back box；6th, connection terminal；7th, static contact；8th, the first contact；9th, the second wafer；10th, the first protection board；11st, the second protection board；
12nd, mandrel；13rd, slot to make way；14th, first through hole.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by embodiment.
As shown in Figure 1 to 4, a kind of rotary switch, includes knob 1, upper lid 2, two layers of support frame successively from top to bottom
With back box 5；First diagonal of the first side of support frame is provided with two installation portions, and the second diagonal is provided with two receivings
Portion；The bottom of installation portion is provided with mounting groove, and the depth of mounting groove is equal in the thickness of static contact 7, the insertion mounting groove of static contact 7,
The middle part of receiving portion is provided with first through hole 14；It is the first plane, first through hole 14 perpendicular to the plane of the axis of first through hole 14
The size of projection on the first plane is more than or equal to the size of the projection of static contact 7 on the first plane.Specifically, project
Size refer to projection length on the first plane or width.
Support frame includes first support 3 and the second support 4 positioned at the lower section of first support 3；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
Installation portion is the second fixed part, and the receiving portion in second support 4 is the second storage part.
Specifically, installation portion is used to installing and fixing static contact 7, and bilevel installation portion and receiving portion are mutual dislocations
, so as to significantly increase creep age distance and the air gap.The size of the projection of first through hole 14 on the first plane be more than or
It is wrong equal to the size of the projection of static contact 7 on the first plane, it is possible to prevent that stationary contact is misplaced into position in process
It is installed to by mistake in receiving portion.
Rotary switch also includes mandrel 12；The lower section of first support 3 and second support 4 is provided with movable contact spring；Movable contact spring bag
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 and touched close to dynamic
The thickness of one end of piece；The middle part of support frame is provided with the second through hole, and the size in the section of the second through hole is more than the section of mandrel 12
Size；The middle part of movable contact spring is provided with third through-hole；The shape in the section of third through-hole is identical with 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 ultimate range 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, the movable contact spring concomitant rotation of rotation mandrel 12, when rotating the first contact 8 and the second wafer 9, until static contact
7 be located 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 rotating the first contact 8 and the second wafer 9, when static contact 7 is not located between the first contact 8 and the second wafer 9, the
There is interval, circuit disconnects in the middle of one contact 8 and the second wafer 9.
In the 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 can also be the hole of elliptical aperture, regular hexagon hole or other shapes.
It is additionally provided with movable contact spring and blocks ring, blocks the first protection board 10 and the second protection board 11 that ring includes being parallel to each other,
Second distance between first protection board 10 and the second protection board 11 is more than the first distance；Ring is blocked to the ultimate range of mandrel 12
More than the minimum range that static contact 7 arrives mandrel 12, and less than the ultimate range of movable contact spring to mandrel 12.Specifically, ring use is blocked
In protection static contact 7, static contact 7 is protected between the first protection board 10 and the second protection board 11, prevented beyond movable contact spring
Other objects are contacted with static contact 7.
Static contact 7 is provided with screwed hole；Side of the static contact 7 away from installation portion is provided with connection terminal 6, and connection terminal 6 is wrapped
Include the spring being coaxially disposed, pressing plate and bolt；Bolt-through pressing plate is threadedly coupled with screwed hole；Spring is arranged on 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 being connected with the installation portion above it
Connection terminal 6.By turning bolt, it is possible to adjust the pressure between pressing plate and installation portion, so tighten connection terminal 6 with
The degree that is connected firmly of power line.
Installation portion is provided with first baffle on the first side, and receiving portion is provided with second baffle on the first side；First gear
Plate is provided with slot to make way 13, and slot to make way 13 is located at the lower section of first through hole 14, and the axis of slot to make way 13 and the axis of bolt are one
On bar straight line, the angle of the axis of slot to make way 13 and the first plate washer is 45 °.Specifically, screwdriver passes through allowing on the first plate washer
The first through hole 14 that position groove 13 is stretched into above it, and then turn bolt.
In other embodiments, the angle of the axis of slot to make way 13 and the first plate washer is 30 ° or 60 °.
In other embodiments, the number of plies of support frame is for one layer or three layers or more.
" first ", " second " herein in description just for the sake of being distinguish between, not special implication.
It is to be understood that, above-mentioned embodiment is only preferred embodiment of the present utility model and institute's application technology
Principle, in technical scope disclosed in the utility model, what any one skilled in the art was readily apparent that
Change or replacement, should all cover in protection domain of the present utility model.
Claims (10)
1. a kind of rotary switch, it is characterised in that
Including at least one layer of support frame；
First diagonal of the first side of support frame as described above is provided with two installation portions, and the second diagonal is provided with two receivings
Portion；
The bottom of the installation portion is provided with static contact, and the middle part of described accommodation section is provided with first through hole；
It is the first plane, throwing of the first through hole in first plane perpendicular to the plane of the axis of the first through hole
The size of shadow is more than or equal to the size of projection of the static contact in first plane.
2. rotary switch according to claim 1, it is characterised in that
Support frame as described above includes first support and the second support below first support；
Installation portion in the first support is the first fixed part, and the receiving portion in the first support is deposited for first
Put portion；
Installation 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, it is characterised 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 provided with the second through hole, and the size in the section of second through hole is more than the section of the mandrel
Size；
The middle part of the movable contact spring is provided with third through-hole；The shape in the section of the third through-hole and the shape in the section of 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 ultimate range of the mandrel.
4. rotary switch according to claim 3, it is characterised in that
It is additionally provided with the movable contact spring and blocks ring, it is described to block the first protection board and the second protection board that ring includes being parallel to each other,
Second distance between first protection board and the second protection board is more than first distance；
The ultimate range for blocking ring to the mandrel is more than the static contact to the minimum range of the mandrel, and less than institute
Movable contact spring is stated to the ultimate range of the mandrel.
5. rotary switch according to claim 1, it is characterised in that
The static contact is provided with screwed hole；
Side of the static contact away from the installation portion is provided with connection terminal, and the connection terminal includes the bullet being coaxially disposed
Spring, pressing plate and bolt；
Pressing plate is threadedly coupled with the screwed hole described in the bolt-through；
The spring is arranged between the pressing plate and the screwed hole.
6. rotary switch according to claim 5, it is characterised in that
The installation portion is provided with first baffle in the first side, and described accommodation section is provided with second in the first side
Baffle plate；
The first baffle is provided with slot to make way.
7. rotary switch according to claim 6, it is characterised in that
The axis of the axis of the slot to make way and the bolt is point-blank.
8. rotary switch according to claim 6, it is characterised in that the axis of the slot to make way and the first baffle
Angle be 45 °.
9. rotary switch according to claim 1, it is characterised in that
The bottom of the installation portion is provided with mounting groove, and the static contact is embedded in the mounting groove.
10. rotary switch according to claim 9, it is characterised 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 |
|---|---|---|---|
| CN201720149682.1U CN206490010U (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720149682.1U CN206490010U (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206490010U true CN206490010U (en) | 2017-09-12 |
Family
ID=59764017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720149682.1U Withdrawn - After Issue CN206490010U (en) | 2017-02-20 | 2017-02-20 | Rotary switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206490010U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783335A (en) * | 2017-02-20 | 2017-05-31 | 上海舒森电子科技有限公司 | Rotary switch |
| CN112242264A (en) * | 2019-07-16 | 2021-01-19 | 阿尔派株式会社 | Electronic device |
-
2017
- 2017-02-20 CN CN201720149682.1U patent/CN206490010U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783335A (en) * | 2017-02-20 | 2017-05-31 | 上海舒森电子科技有限公司 | Rotary switch |
| CN112242264A (en) * | 2019-07-16 | 2021-01-19 | 阿尔派株式会社 | Electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170912 Effective date of abandoning: 20191126 |