CN209607640U - A kind of high voltage direct current microswitch with brake function with arc extinguishing structure - Google Patents
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure Download PDFInfo
- Publication number
- CN209607640U CN209607640U CN201920465989.1U CN201920465989U CN209607640U CN 209607640 U CN209607640 U CN 209607640U CN 201920465989 U CN201920465989 U CN 201920465989U CN 209607640 U CN209607640 U CN 209607640U
- Authority
- CN
- China
- Prior art keywords
- base body
- acting arm
- connection sheet
- high voltage
- direct current
- 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.)
- Active
Links
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure provided by the utility model, including base body, upper cover, button, connection sheet, acting arm, tension spring, acting arm bracket and the normally opened terminal being located on base body, normally closed terminal and tension spring column, magnet is equipped between normally opened terminal and normally closed terminal；Connection sheet is located at the lower section of button, and acting arm is located at the lower section of connection sheet, and one end of connection sheet is connect with acting arm, and the other end is connect with acting arm bracket, connection sheet and button contacts, and one end of tension spring is connect with tension spring column, and the other end is connect with acting arm；Acting arm is equipped with movable contact, and normally opened terminal is equipped with normally opened stationary contact, and normally closed terminal is equipped with normally closed stationary contact.The beneficial effect is that: the carbide that the switch of the utility model is taken out of and setting the gas discharge that magnet generates electric arc is absorbed or is repelled, and carbide is made to be not easy to be deposited in silver contact surface, to realize the arc-suppression function of protection contact.
Description
Technical field
The utility model relates to a kind of microswitch more particularly to a kind of high pressures with brake function with arc extinguishing structure
Direct current microswitch.
Background technique
Such microswitch function currently on the market is substantially similar, but has following functions defect:
Commonly using inside microswitch is common elastic piece structure, is difficult due to being architectural limitation its contactor gap more than 3mm, this
The structure of sample determines that switch to connect or disconnect contactor gap too small, and cannot install magnet additional and can not achieve arc extinguishing effect
Fruit.When such switch use is on high voltage direct current electric tool and garden instrument, acting arm easily occurs strong in use
Electric arc, when in DC high voltage high current, arc energy easily lead to switch be brought rapidly up in the energized state and
Switch occurs to burn, silver contact can be bonded together when serious, not meet national safety standard, and to personal life, there are great peaces
Full hidden danger.
For this purpose, it is imperative to design a kind of high voltage direct current microswitch with arc extinguishing structure with brake function.
Utility model content
The purpose of this utility model is that avoid above-mentioned deficiency, providing a kind of follow-on band arc extinguishing structure has brake function
The high voltage direct current microswitch of energy, this switch realizes switch existing brake function under high voltage direct current, and has arc-suppression function.
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure provided by the utility model, technology
Scheme are as follows:
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure, which is characterized in that the fine motion is opened
It closes including base body, upper cover, button, connection sheet, acting arm, tension spring, acting arm bracket and is arranged in normally opened on base body
Terminal, normally closed terminal and tension spring column are provided with magnet between the normally opened terminal and normally closed terminal；The connection sheet is arranged in institute
The lower section of button is stated, the lower section of the connection sheet is arranged in the acting arm, and one end of the connection sheet and the acting arm connect
It connects, the other end of the connection sheet is connect with the acting arm bracket, the connection sheet and the button contacts, the tension spring
One end is connect with the tension spring column, and the other end of the tension spring is connect with the acting arm；Dynamic touching is provided in the acting arm
Point is provided with normally opened stationary contact on the normally opened terminal, is provided with normally closed stationary contact on the normally closed terminal.
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure provided by the utility model further includes
Following attached technical scheme:
Wherein, there are two base body first through hole, the normally opened terminal and normally closed terminals for the side setting of the base body
The base body is stretched out by the base body first through hole；Base body is provided between two base body first through hole
First groove, the magnet are placed in first groove of base body.
Wherein, the other side of the base body is provided with base body circle hole groove, and the tension spring column is mounted on the base body
In circle hole groove.
Wherein, the second groove of base body is provided at the top of the base body, the bottom of the base body is provided with pedestal
The second through-hole of body, one end of the acting arm bracket are mounted in second groove of base body, the acting arm bracket it is another
One end is mounted in second through-hole of base body.
Wherein, one end of the connection sheet is provided with connection sheet crotch, and the other end of the connection sheet is provided with connection sheet
Elbow is provided with connection sheet convex block in the middle part of the connection sheet；One end of the acting arm is provided with acting arm elbow, described dynamic
The other end of contact arm is provided with acting arm clamp, is provided with clamping groove and support slot on the acting arm bracket；The connection sheet
Crotch is connect with the acting arm elbow, and the connection sheet elbow is connect with the clamping groove on the acting arm bracket, the drawing
The other end of spring is connect with the through-hole under the acting arm clamp, and the acting arm is connected to the support slot of the acting arm bracket
In.
Wherein, it is provided with base body semicircle orifice on the base body, upper cover semicircle orifice, the base are provided on the upper lid
Pedestal semicircle orifice and upper cover semicircle orifice form button pass through hole, and the button passes through the button pass through hole and contacts with the connection sheet.
Wherein, sealing ring is provided between the button and the button pass through hole.
Wherein, the microswitch further includes connector, and the connector is used for the corresponding end of two microswitches
Son connection.
The implementation of the utility model includes following technical effect:
1, the microswitch of the utility model has in DC high voltage high current simultaneously with arc extinguishing and brake function
Energy.
2, microswitch provided by the utility model, compact-sized, simple process is cheap, and working service repairs letter
Easily, all kinds of high voltage direct current electric tools and garden instrument be can be widely used for.
3, when the microswitch of the utility model is for switched on and off under high-voltage direct-current use state, electricity can be caused
The gas discharge that arc generates generates unidirectional magnetic field by setting magnet to make gas band polarized, with using there is a natural attraction between the sexes,
The principle that identical charges repel each other, the carbide taken out of to the gas discharge that electric arc generates are absorbed or are repelled, and make carbide not
It is easy to be deposited in silver contact surface, to realize the arc-suppression function of protection silver contact.
Detailed description of the invention
Fig. 1 is a kind of solid of high voltage direct current microswitch with brake function with arc extinguishing structure of the utility model
Figure, contains a switch.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is a kind of solid of high voltage direct current microswitch with brake function with arc extinguishing structure of the utility model
Figure, containing there are two switches.
Fig. 4 is the sectional view of Fig. 3.
Fig. 5 is a kind of explosion of high voltage direct current microswitch with brake function with arc extinguishing structure of the utility model
Figure, contains a switch.
Fig. 6 is a kind of explosion of high voltage direct current microswitch with brake function with arc extinguishing structure of the utility model
Figure, containing there are two switches.
In figure, 1- base body, 2- upper cover, 3- button, 4- connection sheet, 5- acting arm, 6- tension spring, 7- acting arm bracket, 8-
Magnet, 9- sealing ring, 10- connector, the normally opened terminal of 11-, the normally closed terminal of 12-, the normally opened stationary contact of 111-, the normally closed stationary contact of 121-
Point, 13- tension spring column, 14- base body first through hole, the first groove of 15- base body, the second groove of 16- base body, 17- base body
Second through-hole, 18- base body circle hole groove, 19- base body semicircle orifice, 21- upper cover semicircle orifice, 41- connection sheet crotch, 42- connection
Piece elbow, 43- connection sheet convex block, 51- movable contact, 52- acting arm clamp, 53- acting arm elbow, 71- clamping groove, 72- support
Slot.
Specific embodiment
The utility model is described in detail below in conjunction with embodiment and attached drawing, it should be pointed out that described
Embodiment be intended merely to facilitate the understanding to the utility model, and do not play any restriction effect to it.Side described herein
Position is for example to compare the convenience of attached drawing description and use up and down, does not constitute the restriction to protection scope.
As shown in figures 1 to 6, a kind of high voltage direct current with brake function with arc extinguishing structure provided by the utility model is micro-
Dynamic switch, including base body 1, upper cover 2, button 3, connection sheet 4, acting arm 5, tension spring 6, acting arm bracket 7 and setting are in base
Normally opened terminal 11, normally closed terminal 12 and tension spring column 13 on pedestal 1, are provided between the normally opened terminal 11 and normally closed terminal 12
Magnet 8；The lower section of the button 3 is arranged in the connection sheet 4, and the lower section of the connection sheet 4, institute is arranged in the acting arm 5
The one end for stating connection sheet 4 is connect with the acting arm 5, and the other end of the connection sheet 4 is connect with the acting arm bracket 7, institute
It states connection sheet 4 to contact with the button 3, one end of the tension spring 6 is connect with the tension spring column 13, the other end of the tension spring 6
It is connect with the acting arm 5；It is provided with movable contact 51 in the acting arm 5, is provided with normally opened stationary contact on the normally opened terminal 11
111 are put, is provided with normally closed stationary contact 121 on the normally closed terminal 12.A kind of high voltage direct current fine motion provided by the utility model is opened
It closes, structure novel, safe and reliable, working service are repaired simple, are suitable for rechargeable angle grinder, charging type electric annular saw, rechargeable
Each type electric tool and the electric garden tools such as grass-mowing machine, charging type electric chain saw, rechargeable shrub and hedge trimmer and rechargeable hair dryer；This
The microswitch of utility model be used for high-voltage direct-current use state under it is switched on and off when, can starting arc generate gas
Electric discharge generates unidirectional magnetic field by setting magnet to make gas band polarized, with using there is a natural attraction between the sexes, the original that identical charges repel each other
Reason, the carbide taken out of to the gas discharge that electric arc generates are absorbed or are repelled, and carbide is made to be not easy to be deposited in silver
Contact surface, to realize the arc-suppression function of protection silver contact.
As shown in Fig. 2,4-6, there are two base body first through hole 14, the normally open ends for the side setting of the base body 1
Son 11 and normally closed terminal 12 stretch out the base body 1 by the base body first through hole 14；Two base bodies first
The first groove of base body 15 is provided between through-hole 14, the magnet 8 is placed in first groove of base body 15.
As shown in Fig. 2,4-6, the top of the base body 1 is provided with the second groove of base body 16, the bottom of the base body 1
Portion is provided with the second through-hole of base body 17, and one end of the acting arm bracket 7 is mounted in second groove of base body 16, institute
The other end for stating acting arm bracket 7 is mounted in second through-hole of base body 17.
Preferably, as seen in figs. 5-6, the other side of the base body 1 is provided with base body circle hole groove 18, the tension spring column
13 are mounted in the base body circle hole groove 18.
As shown in Fig. 2,4-6, one end of the connection sheet 4 is provided with connection sheet crotch 41, the other end of the connection sheet 4
It is provided with connection sheet elbow 42, the middle part of the connection sheet 4 is provided with connection sheet convex block 43；One end of the acting arm 5 is arranged
There is acting arm elbow 52, the other end of the acting arm 5 is provided with acting arm clamp 53, is provided on the acting arm bracket 7
Clamping groove 71 and support slot 72；The connection sheet crotch 41 is connect with the acting arm elbow 52, the connection sheet elbow 42 with
Clamping groove 71 on the acting arm bracket 7 connects, and the through-hole under the other end of the tension spring 6 and the acting arm clamp 53 connects
It connects, the acting arm 5 is connected in the support slot 72 of the acting arm bracket 7.
As shown in Figure 5,6,1 it is provided with base body semicircle orifice 19 on the base body, upper cover half is provided in the upper cover 2
Circular hole 21 (can not find number 21) on figure, the base body semicircle orifice 19 and upper cover semicircle orifice 21 form button pass through hole, described to press
Button 3 passes through the button pass through hole and contacts with the connection sheet 4.
As shown in 2,4-6 figure, sealing ring 9 is provided between the button 3 and the button pass through hole.The present embodiment by
It is provided with sealing ring between button and the button pass through hole, to realize certain dust reduction capability.
Preferably, as shown in Fig. 3,4,6, the microswitch further includes connector 10, and the connector 10 is used for two
The corresponding terminal connection of a microswitch.Specifically, connector 10 not only by one switch normally opened terminal 11 and another
The normally opened terminal 11 of switch connects, the normally closed terminal 12 of normally closed terminal 12 and another switch that connector 10 also switchs one
Connection, meanwhile, the acting arm bracket 7 that one switchs also is connect by connector 10 with the normal acting arm bracket 7 that another is switched.This
Implement by the way that two switches are stitched together, and welded the respective terminal that two switch with connector 10, in this way may be used
To connect bigger electric current.
A kind of high voltage direct current microswitch with brake function with arc extinguishing structure provided by the utility model, passes through
Following process realizes on-off function.
When pressing lower button 3, button 3 drives connection sheet 4 to move down, and tension spring 6 drives acting arm 5 to jump to switch top
It is dynamic, so that the stationary contact 111 in the top half and normally opened terminal 11 of the movable contact 51 in acting arm 5 is made to generate closed action,
Realize the turn-on power loss of switch.
After release button, tension spring 6 drives acting arm 5 to do reversed bounce movement, makes movable contact 51 in acting arm 5 and often
Stationary contact 111 on beginning 11 separates, the stationary contact on the lower half portion and normally closed terminal 12 of the movable contact 51 in acting arm 5
121 connect, and realize disconnection and the brake function of switch.
Finally it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than to this reality
With the limitation of novel protected range, although being explained in detail referring to preferred embodiment to the utility model, this field it is general
Lead to it will be appreciated by the skilled person that can be with the technical solution of the present invention is modified or equivalently replaced, without departing from this
The spirit and scope of utility model technical solution.
Claims (8)
1. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure, which is characterized in that the microswitch
Including base body, upper cover, button, connection sheet, acting arm, tension spring, acting arm bracket and the normally open end being arranged on base body
Sub, normally closed terminal and tension spring column are provided with magnet between the normally opened terminal and normally closed terminal；The connection sheet is arranged described
The lower section of the connection sheet is arranged in the lower section of button, the acting arm, and one end of the connection sheet is connect with the acting arm,
The other end of the connection sheet is connect with the acting arm bracket, the connection sheet and the button contacts, and the one of the tension spring
End is connect with the tension spring column, and the other end of the tension spring is connect with the acting arm；It is provided with movable contact in the acting arm,
It is provided with normally opened stationary contact on the normally opened terminal, is provided with normally closed stationary contact on the normally closed terminal.
2. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 1, special
Sign is: there are two base body first through hole for the side setting of the base body, and the normally opened terminal and normally closed terminal pass through
The base body first through hole stretches out the base body；It is recessed that base body first is provided between two base body first through hole
Slot, the magnet are placed in first groove of base body.
3. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 2, special
Sign is: the other side of the base body is provided with base body circle hole groove, and the tension spring column is mounted on the base body circle hole groove
In.
4. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 3, special
Sign is: the second groove of base body is provided at the top of the base body, the bottom of the base body is provided with base body second
Through-hole, one end of the acting arm bracket are mounted in second groove of base body, the other end peace of the acting arm bracket
In second through-hole of base body.
5. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 4, special
Sign is: one end of the connection sheet is provided with connection sheet crotch, and the other end of the connection sheet is provided with connection sheet elbow, institute
It states and is provided with connection sheet convex block in the middle part of connection sheet；One end of the acting arm is provided with acting arm elbow, the acting arm
The other end is provided with acting arm clamp, is provided with clamping groove and support slot on the acting arm bracket；The connection sheet crotch with
Acting arm elbow connection, the connection sheet elbow are connect with the clamping groove on the acting arm bracket, the tension spring it is another
One end is connect with the acting arm clamp, and the acting arm is connected in the support slot of the acting arm bracket.
6. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 1, special
Sign is: being provided with base body semicircle orifice on the base body, upper cover semicircle orifice, the base body half are provided on the upper lid
Circular hole and upper cover semicircle orifice form button pass through hole, and the button passes through the button pass through hole and contacts with the connection sheet.
7. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 6, special
Sign is: being provided with sealing ring between the button and the button pass through hole.
8. a kind of high voltage direct current microswitch with brake function with arc extinguishing structure according to claim 1, special
Sign is: the microswitch further includes connector, and the connector is used to connect the corresponding terminal of two microswitches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465989.1U CN209607640U (en) | 2019-04-09 | 2019-04-09 | A kind of high voltage direct current microswitch with brake function with arc extinguishing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465989.1U CN209607640U (en) | 2019-04-09 | 2019-04-09 | A kind of high voltage direct current microswitch with brake function with arc extinguishing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209607640U true CN209607640U (en) | 2019-11-08 |
Family
ID=68405846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465989.1U Active CN209607640U (en) | 2019-04-09 | 2019-04-09 | A kind of high voltage direct current microswitch with brake function with arc extinguishing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209607640U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927363A (en) * | 2022-06-09 | 2022-08-19 | 温州港源电子有限公司 | Dustproof passenger car microswitch |
-
2019
- 2019-04-09 CN CN201920465989.1U patent/CN209607640U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114927363A (en) * | 2022-06-09 | 2022-08-19 | 温州港源电子有限公司 | Dustproof passenger car microswitch |
| CN114927363B (en) * | 2022-06-09 | 2024-04-26 | 温州港源电子有限公司 | Dustproof passenger train micro-gap switch |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100555496C (en) | High capacity vacuum load switch | |
| CN209607640U (en) | A kind of high voltage direct current microswitch with brake function with arc extinguishing structure | |
| CN201084635Y (en) | A large-capacity vacuum load switch | |
| CN105206476A (en) | Contact terminal system and contactor comprising same | |
| CN208368391U (en) | A kind of high voltage direct current microswitch with arc extinguishing structure with brake function | |
| CN207409421U (en) | A kind of conjuncted rocker switch | |
| CN212485166U (en) | Intelligent explosion-proof switch | |
| CN201590377U (en) | Magnetic microswitch | |
| CN205943866U (en) | Two switch stop device | |
| CN201839001U (en) | Drop-type arrester | |
| CN209607625U (en) | A kind of D.C. high-current button switch with fully synchronized contact | |
| CN201975311U (en) | Rocker switch with rapid action | |
| CN205081057U (en) | Contact system and including contact system's contactor | |
| CN209103989U (en) | A kind of lithium electricity brushless electric tool button switch of band signal disjunction | |
| CN2901542Y (en) | Metal press button switch | |
| CN111564334A (en) | Contact device of vacuum arc-extinguishing chamber | |
| CN111668037A (en) | Low-voltage on-off switch | |
| CN201532891U (en) | Toggle power switch | |
| CN202523649U (en) | Novel electromagnetic switching device | |
| CN208507491U (en) | Contact base with arc-extinguish chamber | |
| CN210925851U (en) | Micro-gap switch with arc extinguishing effect | |
| CN202855678U (en) | Double breakpoint breaker | |
| CN205920903U (en) | Miniature ship type switch | |
| CN1992118A (en) | Plug-in docking integral vacuum arc-extinction chamber | |
| CN2419679Y (en) | Small size power relay |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 325608 Longze village and Nanyang Village, Hongqiao Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee after: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. Address before: 325609 Tiancheng Industrial Zone, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG JIABEN ELECTRONICS Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |