CN208903912U - A kind of dc switch with arc-suppression function - Google Patents
A kind of dc switch with arc-suppression function Download PDFInfo
- Publication number
- CN208903912U CN208903912U CN201821620647.4U CN201821620647U CN208903912U CN 208903912 U CN208903912 U CN 208903912U CN 201821620647 U CN201821620647 U CN 201821620647U CN 208903912 U CN208903912 U CN 208903912U
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- spring
- movable contact
- arc
- further include
- suppression function
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Abstract
The utility model relates to a kind of dc switch with arc-suppression function, including pedestal, cover board, button, push rod, static contact, movable contact spring, movable contact, stationary contact, push rod spring, tension spring, bracket and blowout magnet, the blowout magnet is mounted on the outside of static contact and movable contact spring, and the bracket is located at below the movable contact spring；One end of the movable contact spring is offseted on the base and with bracket by tension spring connection, the other end of movable contact spring is connect with push rod, blowout magnet is mounted on the outside of static contact and movable contact spring, the static contact and movable contact spring can generate electric arcing between static contact and movable contact spring when disconnecting, electric arcing can cause ablation to the movable contact and stationary contact being arranged on static contact and movable contact spring, influence the contact performance and service life of switch, the blowout magnet in the outside for being mounted on static contact and movable contact spring effectively can quickly eliminate electric arcing, protect movable contact and stationary contact, guarantee switches on-off performance, extend the service life of switch.
Description
Technical field
The utility model relates to field of switches more particularly to a kind of dc switch with arc-suppression function.
Background technique
Dc switch currently on the market, in the application of high voltage tool, rarer arc-control device causes making for switch
It is not grown with the service life, requirement cannot be reached.
Summary of the invention
To the problems of the prior art, the utility model provides a kind of dc switch with arc-suppression function.
In order to solve the above problem, the solution of the utility model is a kind of dc switch with arc-suppression function, including
Pedestal, cover board, button, push rod, static contact, movable contact spring, movable contact, stationary contact and push rod spring, the static contact are mounted on institute
It states below movable contact spring, further includes tension spring, bracket and blowout magnet, the blowout magnet is mounted on the outer of static contact and movable contact spring
Side, the bracket are located at below the movable contact spring；
One end of the movable contact spring is offseted on the base and with bracket by tension spring connection, the other end and push rod of movable contact spring
Connection, blowout magnet is mounted on the outside of static contact and movable contact spring, and when push rod is to the left or right side moves, movable contact spring and push rod connect
Connecing the part to offset can move, and movable contact spring is started clockwise oscillation by the pulling force of tension spring simultaneously, until with lower section stationary contact
Piece offsets, and switchs in an ON state, conversely, switch is off-state；
The static contact and movable contact spring can generate electricity arcing between static contact and movable contact spring when disconnecting, electric arcing can be to setting
The movable contact and stationary contact set on static contact and movable contact spring cause ablation, influence the contact performance and service life of switch, institute
It states and is mounted on the blowout magnet in the outside of static contact and movable contact spring and effectively can quickly eliminate electric arcing, protect movable contact and stationary contact
Point, guarantee switch on-off performance, extend the service life of switch.
As an improvement, further including commutation sliding block, dialling handle, spring seat A, slider, spring steel ball and steel ball, above-mentioned component
Combination can complete the commutation function of switch.
It as a further improvement, further include plastic stent, the plastic stent side is mounted on the pedestal, another
Side is for installing the tension spring, and the plastic stent is for completely cutting off the electric current passed through on the tension spring.
It as a further improvement, further include PCBA, PCBA dustband, PCBA spring.Component push rod, slider, push rod
Spring and PCBA combination can complete the speed-regulating function of switch.
It as a further improvement, further include shop bolt and button pin.
It as a further improvement, further include diode.
It as a further improvement, further include inner cover plate.
It as a further improvement, further include thermal contraction casing tube.
It as a further improvement, further include conducting wire cover board.
It as a further improvement, further include dustband, the dustband, which is arranged, to be mounted on the push rod.
From the above, it can be seen that the utility model has the advantage that
1, quick for installation.
2, electric arc between contact is effectively eliminated.
Detailed description of the invention
Fig. 1 is the perspective view of the explosion of the utility model；
Fig. 2 is the assembling schematic diagram of the utility model；
Appended drawing reference: 1, pedestal, 2, cover board, 3, conducting wire cover board, 4, inner cover plate, 5, push rod, 6, commutation sliding block, 7, group handle,
8, spring seat A, 9, plastic stent, 10, shop bolt, 11, PCBA dustband, 12, dustband, 13, bracket, 14, static contact,
15, movable contact spring, 16, slider, 17, movable contact, 18, stationary contact, 19, tension spring, 20, spring steel ball, 21, push rod spring, 22,
PCBA spring, 23, steel ball, 24, diode, 25, PCBA, 26, button pin, 27, button, 28, B conducting wire, 29, A conducting wire, 30,
Thermal contraction casing tube, 31, A1 conducting wire, 32, SB+ conducting wire, 33, VCC conducting wire, 34, WSH conducting wire, 35, GND conducting wire, 36, REV conducting wire,
37, FOR conducting wire, 38, blowout magnet.
Specific embodiment
In conjunction with Fig. 1-Fig. 2, first specific embodiment of the utility model is described in detail, but not to the power of the utility model
Benefit requires to do any restriction.
As Figure 1-Figure 2, a kind of dc switch with arc-suppression function, including pedestal 1, cover board 2, button 27, push rod
5, static contact 14, movable contact spring 15, movable contact 17, stationary contact 18 and push rod spring 21, the static contact 14 are mounted on the dynamic touching
15 lower section of piece, further includes tension spring 19, bracket 13 and blowout magnet 38, the blowout magnet 38 is mounted on static contact 14 and movable contact spring
15 outside, the bracket 13 are located at 15 lower section of movable contact spring；
One end of the movable contact spring 15 is connected on pedestal 1 and is offseted with bracket 13 by tension spring 19, movable contact spring 15 it is another
One end is connect with push rod 5, and blowout magnet 38 is mounted on the outside of static contact 14 and movable contact spring 15, and push rod 5 is to the left or right side is transported
When dynamic, movable contact spring 15 connect the part to offset with push rod 5 and can move, and movable contact spring 15 is started by the pulling force of tension spring 19 simultaneously
Clockwise oscillation switchs in an ON state until offseting with lower section static contact 14, conversely, switch is off-state；
The static contact 14 and movable contact spring 15 can generate electric arcing between static contact 14 and movable contact spring 15 when disconnecting, electricity is drawn
Arc can cause ablation to the movable contact 17 and stationary contact 18 being arranged on static contact 14 and movable contact spring 15, influence the contact of switch
Energy and service life, the blowout magnet 38 in the outside for being mounted on static contact 14 and movable contact spring 15 effectively can quickly eliminate electric drawing
Arc, protects movable contact 17 and stationary contact 18, and guarantee switches on-off performance, extends the service life of switch.
More specifically, further including commutation sliding block 6, dialling handle 7, spring seat A8, slider 16, spring steel ball 20 and steel ball
23, above-mentioned component combination can complete the commutation function of switch.
More specifically, further including plastic stent 9,9 side of plastic stent is mounted on the pedestal 1, and the other side is used
In installing the tension spring 19, the plastic stent 9 is for completely cutting off the electric current passed through on the tension spring 19.
More specifically, further including PCBA25, PCBA dustband 11, PCBA spring 22.Component push rod 5, slider 16, push rod
Spring 21 and PCBA25 combination can complete the speed-regulating function of switch.
More specifically, further including shop bolt 10 and button pin 26.
More specifically, further including diode 24.
More specifically, further including inner cover plate 4.
More specifically, further including thermal contraction casing tube 30.
More specifically, further including conducting wire cover board 3.
More specifically, further including dustband 12, the dustband 12, which is arranged, to be mounted on the push rod 5.
In conclusion the utility model has the advantage that
1, quick for installation.
2, electric arc between contact is effectively eliminated.
It is understood that being merely to illustrate the utility model above with respect to the specific descriptions of the utility model and not being
It is limited to technical solution described in the utility model embodiment, those skilled in the art should understand that, it is not departing from
It in the case where spirit and scope defined by claim, can modify to the utility model or equivalent replacement, to reach
Identical technical effect, but be within the protection scope of the utility model.
Claims (10)
1. a kind of dc switch with arc-suppression function, including pedestal (1), cover board (2), button (27), push rod (5), static contact
(14), movable contact spring (15), movable contact (17), stationary contact (18) and push rod spring (21), the static contact (14) are mounted on described
Below movable contact spring (15), it is characterised in that: further include tension spring (19), bracket (13) and blowout magnet (38), the blowout magnet
(38) it is mounted on the outside of static contact (14) and movable contact spring (15), the bracket (13) is located at below the movable contact spring (15)；
One end of the movable contact spring (15) is connected on pedestal (1) and is offseted with bracket (13) by tension spring (19), movable contact spring
(15) the other end is connect with push rod (5), and blowout magnet (38) is mounted on the outside of static contact (14) and movable contact spring (15), push rod
(5) to the left or right side move when, movable contact spring (15) connect the part to offset with push rod (5) and can move, movable contact spring (15)
Started clockwise oscillation by the pulling force of tension spring (19) simultaneously, until offseting with lower section static contact (14), switch is in connection shape
State, conversely, switch is off-state.
2. the dc switch according to claim 1 with arc-suppression function, it is characterised in that: further include commutation sliding block (6),
Dial handle (7), spring seat A (8), slider (16), spring steel ball (20) and steel ball (23).
3. the dc switch according to claim 2 with arc-suppression function, it is characterised in that: it further include plastic stent (9),
Plastic stent (9) side is mounted on the pedestal (1), and the other side is for installing the tension spring (19), the plastics branch
Frame (9) is for completely cutting off the electric current passed through on the tension spring (19).
4. the dc switch according to claim 3 with arc-suppression function, it is characterised in that: further include PCBA (25),
PCBA dustband (11), PCBA spring (22).
5. the dc switch according to claim 4 with arc-suppression function, it is characterised in that: further include shop bolt (10)
With button pin (26).
6. the dc switch according to claim 5 with arc-suppression function, it is characterised in that: further include diode (24).
7. the dc switch according to claim 6 with arc-suppression function, it is characterised in that: further include inner cover plate (4).
8. the dc switch according to claim 7 with arc-suppression function, it is characterised in that: further include thermal contraction casing tube
(30)。
9. the dc switch according to claim 8 with arc-suppression function, it is characterised in that: further include conducting wire cover board (3).
10. the dc switch according to claim 9 with arc-suppression function, it is characterised in that: it further include dustband (12),
The dustband (12), which is arranged, to be mounted on the push rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620647.4U CN208903912U (en) | 2018-09-30 | 2018-09-30 | A kind of dc switch with arc-suppression function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821620647.4U CN208903912U (en) | 2018-09-30 | 2018-09-30 | A kind of dc switch with arc-suppression function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208903912U true CN208903912U (en) | 2019-05-24 |
Family
ID=66574686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821620647.4U Active CN208903912U (en) | 2018-09-30 | 2018-09-30 | A kind of dc switch with arc-suppression function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208903912U (en) |
-
2018
- 2018-09-30 CN CN201821620647.4U patent/CN208903912U/en active Active
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