CN202855602U - Switch current carrying mechanism - Google Patents
Switch current carrying mechanism Download PDFInfo
- Publication number
- CN202855602U CN202855602U CN 201220396679 CN201220396679U CN202855602U CN 202855602 U CN202855602 U CN 202855602U CN 201220396679 CN201220396679 CN 201220396679 CN 201220396679 U CN201220396679 U CN 201220396679U CN 202855602 U CN202855602 U CN 202855602U
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- China
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- contact
- moving
- button
- switch
- brachium pontis
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- Expired - Lifetime
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Abstract
The present utility model discloses a switch current carrying mechanism. The mechanism comprises a moving contact assembly, a conductive member assembly, a static contact assembly and a button assembly, the moving contact assembly comprises a moving bridge arm and at least one moving contact; the mechanism is characterized in that one side of the bottom part of the button is provided with a surface fitting with the moving bridge arm, and the surface is used for forcing the moving bridge arm to rotate to separate the moving contact from the static contact during the disconnecting process of the button. In the switch current carrying mechanism, as resistance fusion welding is generated in the contacting moment of the contacts, and a switch cannot be disconnected after being used. A switch compulsive disconnecting structure is added in the mechanism, a compulsive mechanical acting force is added on the moving contact when fusion welding is generated in the contacts, thus the moving contact and the static contact are compulsively separated.
Description
Technical field
The utility model relate to a kind of rated voltage 250V～, the switch on wall of rated current 10/16A.A kind of switch of civilian control apparatus power supply and be applied in switch current-carrying mechanism in the switch on wall specifically.
Technical background
In existing civilian electrician and switch on wall, there is structural issue in major part product switch current-carrying mechanism, be difficult to satisfy the needs of relevant criterion, under the condition of paying attention to cost control, this problem also becomes civilian electrician and the switch on wall technical field is difficult to the effectively a kind of structural difficult problem of assurance.The problem main manifestations has: 1, to satisfy cost too high for performance; 2, mechanical endurance and fluorescent lamp load can be satisfied, but the current-carrying temperature rise that detects after finishing is too high; 3, mechanical endurance and fluorescent lamp load can not be satisfied standard-required (this more problems of most of product).Cause the reason of above problem mainly to be: 1, work contact in contact is too little, and contact resistance is larger, and temperature rise is too high when causing the current-carrying test; 2, there is the moment space in moving contact with contacting of electric-conductor in the function transfer process, causes the space arcing of current-carrying condition, and the electric-conductor of seriously ablating and moving dry measure used in former times head can produce metal carbides in the ablation process, cause contact resistance to increase, and temperature rise is too high.For use and the security performance that improves civilian electrician and switch on wall, our company and Xi'an are handed over and are cooperated the switch on wall current-carrying greatly and electrically contact mechanism to carefully analyze research, have found out a kind of more rational switch current-carrying mechanism for problem.With this understanding, a kind of can the civilian electrician of complete solution and the current-carrying mechanism of switch on wall arisen at the historic moment.
Summary of the invention
The purpose of this utility model is to solve the deficiency that above-mentioned prior art exists, provide a kind of feel better, use safer, the more reliable civilian electrician of break-make and switch on wall product.
For solving the problems of the technologies described above, the utility model by the following technical solutions: switch current-carrying mechanism, comprise moving contact component, electric-conductor assembly, static contact component and button assembly, described moving contact component comprises moving brachium pontis and at least one moving contact; Described electric part assembly comprises electric-conductor and binding post, and described electric-conductor contacts with described moving brachium pontis to form and is electrically connected; Described static contact component comprises fixed contact, electrical connector and a binding post; Described button assembly comprises button, spring and thimble, described push button shaft is connected on the pedestal of switch, when it sways, described thimble top presses described moving brachium pontis to make described moving contact and fixed contact is closed or disconnection, it is characterized in that described button bottom one side is provided with the mating surface with described moving brachium pontis, this mating surface carries out forcing in the opening operation process moving brachium pontis to rotate and make moving contact and fixed contact to disconnect at button.
The utility model switch current-carrying mechanism, because the contact is in the Contact melting welding that can have a resistance, can't disconnect after can existing switch to use, this mechanism has increased switch forces the disjunction structure, this mechanism can increase a compulsory mechanicals efforts to moving contact when producing melting welding in the contact, impels dynamic/static contact to force to separate.
This is further improvement of the utility model, and the mating surface of described button bottom one side and described moving brachium pontis is rectangular.
This is again further improvement of the present utility model, and the contact of described moving contact and fixed contact is 0.9 ~ 1.2N.
This is further improvement of the utility model, be processed into electric-conductor and moving contact contact position circular-arc by special process, make moving contact when function is changed can with the electric-conductor close contact, the space arcing that the moment space that reduction is changed owing to function produces is to the ablation of electric-conductor and moving contact, reduce the metal carbides that produce owing to ablating, thereby the temperature rise under the reduction current flow condition reaches and improves the upper of product safety and useful life.
This is further improvement of the present utility model, and the pendulum angle of described electric-conductor assembly is ± 6 °.Pendulum angle by button and the work contact when selecting suitable spring to strengthen the moving contact contact reduce contact contact resistance in the switch, and the contact resistance reduction can cause that temperature rise reduces under the current flow condition, thereby increase product useful life.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model switch current-carrying structural scheme of mechanism.
Fig. 2 is the structural representation of the utility model moving contact component.
Fig. 3 is the structural representation of the utility model electric-conductor assembly.
Fig. 4 is the structural representation of the utility model static contact component.
Fig. 5 is the structural representation of the utility model button assembly.
Fig. 6 is the B place enlarged drawing among Fig. 1.
State diagram when Fig. 7 is the utility model pressure disjunction.
Fig. 8 is the enlarged drawing at C place among Fig. 7.
Embodiment
With reference to Fig. 1, switch current-carrying of the present utility model mechanism comprises moving contact component 1, electric-conductor assembly 2, static contact component 3 and button assembly 4.
With reference to Fig. 2, described moving contact component 1 comprises moving brachium pontis 103 and two moving contacts 101 and 102, wherein moving contact 101 forms with fixed contact 301 and cooperates, moving contact 102 is one and reserves contact, in double control switch, cooperate with another fixed contact formation, and in the present embodiment, this moving contact 102 is vacant.Described moving brachium pontis 103 is curved, and described two moving contacts 101 and 102 are separately positioned on the two ends of moving brachium pontis 103.
With reference to Fig. 3, described electric part assembly 2 comprises electric-conductor 201 and binding post 202, and described electric-conductor 201 contacts with described moving brachium pontis 103 to form and is electrically connected.With reference to Fig. 6, described electric-conductor 201 is circular-arc with the contact site of described moving brachium pontis 103.
With reference to Fig. 4, described static contact component 3 comprises fixed contact 301, electrical connector 302 and a binding post 303; Described fixed contact 301 forms with moving contact 101 and cooperates.
With reference to Fig. 5, described button assembly 4 comprises button 401, spring 402 and thimble 403.The bottom of described button 401 is a circular tube structure, and described spring 402 places in this pipe 405, and described thimble 403 places the bottom of pipe 405.One end of described spring 402 is fixed on the button 401, and the other end and thimble 403 are fixing.
With reference to Fig. 7 and Fig. 8, described button 401 is coupling on the pedestal of switch, and when it swayed, described thimble 403 pushes up pressed described moving brachium pontis 103 to make its rotation, and then drives described moving contact 101 and the closed or disconnection of fixed contact 301 formation.Because the pipe 405 of described button 401 is larger than the external diameter of thimble 403, thereby button 401 pipe 405 bottoms and mating surface 404 of described moving brachium pontis 103 formation in carrying out the opening operation process, this mating surface 404 forces moving brachium pontis 103 rotations also moving contact 101 to be separated with fixed contact 301.The mating surface 404 of described button 401 bottoms, one side and described moving brachium pontis 103 is rectangular.The pendulum angle of described electric-conductor assembly 2 is ± 6 °.The contact of described moving contact 101 and fixed contact 301 is 0.9 ~ 1.2N.
The characteristics of the utility model switch current-carrying mechanism are: the work contact during 1, by the pendulum angle of button and to the contact of increasing moving contact reduces contact contact resistance in the switch, the contact resistance reduction can cause under the current flow condition temperature rise to reduce, thereby increases product useful life.2, be processed into electric-conductor and moving contact contact position circular-arc by special process, make moving contact when function is changed can with the electric-conductor close contact, the space arcing that the moment space that reduction is changed owing to function produces is to the ablation of electric-conductor and moving contact, reduce the metal carbides that produce owing to ablating, thereby the temperature rise under the reduction current flow condition reaches and improves the upper of product safety and useful life.3, since the contact in the Contact melting welding that can have a resistance, can't close (or disconnection) after can existing switch to use, this mechanism has increased switch forces the disjunction structure, and this mechanism can increase a compulsory mechanicals efforts to moving contact when producing melting welding in the contact, impels dynamic/static contact to force to separate.
The utility model switch current-carrying mechanism can also have the conversion of multidigit combination and other series engineering and family decoration switch, is not to be confined to above-mentioned practical way.In a word, protection range of the present utility model should comprise apparent conversion and remodeling and alternative for this area or those of ordinary skill.
Claims (5)
1. switch current-carrying mechanism comprises moving contact component (1), electric-conductor assembly (2), static contact component (3) and button assembly (4), and described moving contact component (1) comprises moving brachium pontis (103) and at least one moving contact (101); Described electric-conductor assembly (2) comprises electric-conductor (201) and binding post (202), and described electric-conductor (201) contacts with described moving brachium pontis (103) to form and is electrically connected; Described static contact component (3) comprises fixed contact (301), electrical connector (302) and a binding post (303); Described button assembly (4) comprises button (401), spring (402) and thimble (403), described button (401) is coupling on the pedestal of switch, when it sways, described thimble (403) top presses described moving brachium pontis (103) to make described moving contact (101) and fixed contact (301) is closed or disconnection, it is characterized in that described button (401) bottom one side is provided with the mating surface (404) with described moving brachium pontis (103), this mating surface (404) carries out forcing in the opening operation process moving brachium pontis (103) to rotate and make moving contact (101) and fixed contact (301) disconnection at button (401).
2. switch current-carrying as claimed in claim 1 mechanism is characterized in that the mating surface (404) of described button (401) bottom one side and described moving brachium pontis (103) at right angles.
3. switch current-carrying as claimed in claim 1 mechanism is characterized in that described electric-conductor (201) and the contact site of described moving brachium pontis (103) are circular-arc.
4. switch current-carrying as claimed in claim 1 mechanism is characterized in that the pendulum angle of described electric-conductor assembly is ± 6 °.
5. such as any one described switch current-carrying mechanism of claim 1-4, it is characterized in that the contact of described moving contact (101) and fixed contact (301) is 0.9 ~ 1.2N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396679 CN202855602U (en) | 2012-08-11 | 2012-08-11 | Switch current carrying mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396679 CN202855602U (en) | 2012-08-11 | 2012-08-11 | Switch current carrying mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855602U true CN202855602U (en) | 2013-04-03 |
Family
ID=47986771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220396679 Expired - Lifetime CN202855602U (en) | 2012-08-11 | 2012-08-11 | Switch current carrying mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855602U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105097347A (en) * | 2015-06-11 | 2015-11-25 | 宁波公牛电器有限公司 | Switch capable of arc suppression |
| CN105390321A (en) * | 2015-12-16 | 2016-03-09 | 东莞辰达电器有限公司 | Button switch and control method therefor |
| CN105632830A (en) * | 2014-10-29 | 2016-06-01 | 西门子（中国）有限公司 | Rocker switch |
| CN110277269A (en) * | 2019-05-31 | 2019-09-24 | 广东福田电器有限公司 | A kind of switch with strong de- structure |
| CN111009440A (en) * | 2019-12-27 | 2020-04-14 | 宁波公牛电器有限公司 | Switch with strong pull-out function |
-
2012
- 2012-08-11 CN CN 201220396679 patent/CN202855602U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105632830A (en) * | 2014-10-29 | 2016-06-01 | 西门子（中国）有限公司 | Rocker switch |
| CN105632830B (en) * | 2014-10-29 | 2017-11-21 | 西门子（中国）有限公司 | Rocker switch |
| CN105097347A (en) * | 2015-06-11 | 2015-11-25 | 宁波公牛电器有限公司 | Switch capable of arc suppression |
| CN105390321A (en) * | 2015-12-16 | 2016-03-09 | 东莞辰达电器有限公司 | Button switch and control method therefor |
| CN110277269A (en) * | 2019-05-31 | 2019-09-24 | 广东福田电器有限公司 | A kind of switch with strong de- structure |
| CN111009440A (en) * | 2019-12-27 | 2020-04-14 | 宁波公牛电器有限公司 | Switch with strong pull-out function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130403 |
|
| CX01 | Expiry of patent term |