CN108389736B - Moving contact assembly - Google Patents
Moving contact assembly Download PDFInfo
- Publication number
- CN108389736B CN108389736B CN201810434810.6A CN201810434810A CN108389736B CN 108389736 B CN108389736 B CN 108389736B CN 201810434810 A CN201810434810 A CN 201810434810A CN 108389736 B CN108389736 B CN 108389736B
- Authority
- CN
- China
- Prior art keywords
- contact
- spring
- groove
- movable contact
- mounting groove
- 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
- 239000003086 colorant Substances 0.000 claims description 2
- 244000287353 Crassocephalum crepidioides Species 0.000 abstract description 2
- 206010016322 Feeling abnormal Diseases 0.000 abstract description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
- H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
- H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a moving contact assembly, which comprises a supporting piece and a moving contact, wherein the supporting piece is provided with a plurality of moving contact holes; the support piece is provided with a contact mounting groove in a forming mode, and the upper part of the moving contact is positioned in the contact mounting groove and is pivotally mounted on the support piece through a pivot shaft; a spring for providing elastic force for the movable contact is also arranged in the contact mounting groove, a through groove for mounting the spring is formed in the position, opposite to the spring, on the side wall of the contact mounting groove, and the length of the through groove is smaller than that of the spring in a normal state; when the movable contact assembly is assembled, the movable contact is welded with a wire, then the movable contact is arranged in a contact mounting groove of a supporting piece and is inserted with a pivot shaft, and finally the spring is compressed and then is arranged in a spring mounting position through the through groove, so that the assembly is completed. The movable contact assembly is reasonable in structure, and when in assembly operation, the movable thick head is arranged on the support piece after the wire is welded with the movable contact, so that the support piece can be prevented from being burnt when the wire is welded.
Description
Technical Field
The invention relates to a moving contact assembly, and belongs to the field of circuit breaker accessory structure design.
Background
Patent document CN205376449U discloses a small-sized circuit breaker contact structure, which comprises two moving contacts, which are arranged on a bracket and can rotate respectively without interfering with each other; the fixed contact is correspondingly matched with the two moving contacts; and the two compression springs are respectively arranged between the two moving contacts and the bracket and are used for applying elastic force towards the direction of the fixed contact to the moving contact. The breaker contact is limited in the structure when being assembled, the compression spring is firstly arranged on the support (corresponding to the support piece in the application), then the moving contact is arranged on the support, and finally the wire is welded with the moving contact to realize electric connection, however, the wire is welded after the moving contact is arranged, the support is easily burnt during welding, and the product quality is further affected.
Disclosure of Invention
In this regard, the present invention aims to provide a moving contact assembly with a reasonable structure, in which a wire and a moving contact are welded and then a moving thick head is mounted on a support member during assembly operation, so that the support member can be prevented from being burnt during welding of the wire.
The technical scheme for realizing the aim of the invention is as follows:
a movable contact assembly comprises a support member and a movable contact;
the support piece is provided with a contact mounting groove in a forming mode, and the upper part of the moving contact is positioned in the contact mounting groove and is pivotally mounted on the support piece through a pivot shaft;
a spring for providing elastic force for the movable contact is further arranged in the contact mounting groove, a through groove for mounting the spring is formed in the position, opposite to the spring, on the side wall of the contact mounting groove, and the length of the through groove is smaller than that of the spring in a normal state;
when the movable contact assembly is assembled, the movable contact is welded with a wire, then the movable contact is arranged in a contact mounting groove of a supporting piece and is inserted with a pivot shaft, and finally the spring is compressed and then is arranged in a spring mounting position through the through groove, so that the assembly is completed.
In the above technical scheme, a first positioning groove is formed in the position, corresponding to the spring, of the movable contact, a second positioning groove is formed in the contact mounting groove, and two ends of the spring are respectively located in the first positioning groove and the second positioning groove.
In the above technical scheme, the contact mounting grooves are two arranged in parallel, one moving contact is respectively arranged in the two contact mounting grooves, and the two moving contacts are pivotally mounted through the same pivot shaft.
In the above technical scheme, the top integrated into one piece of support piece has ascending arch, two colour indication areas have on the bellied terminal surface, and the colour of two colour indication areas is different.
The invention has the positive effects that: the movable contact assembly has reasonable structure, and particularly when in assembly operation, the movable contact is welded with the wire, then the movable contact is arranged in the contact mounting groove of the supporting piece and is inserted with the pivot shaft, and finally the spring is compressed and then is arranged in the spring mounting position through the through groove at the side part, so that the assembly is completed.
Drawings
FIG. 1 is a perspective view of a moving contact assembly of the present invention;
FIG. 2 is a front view of the movable contact assembly of FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a left side view of the movable contact assembly of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 4;
fig. 6 is a schematic structural view of a support member in the present invention.
The reference numerals shown in the figures are: 1-a support; 11-protrusions; 12-top end face; 2-a moving contact; 21-a first positioning groove; 3-contact mounting slots; 31-a second positioning groove; 4-a spring; 5-through groove.
Detailed Description
The following describes the specific structure of the present invention with reference to the drawings:
a movable contact assembly, as shown in fig. 1 to 6, comprises a support 1 and a movable contact 2; the support member 1 is provided with a contact mounting groove 3, and the upper part of the moving contact 2 is positioned in the contact mounting groove 3 and is pivotally mounted on the support member 1 through a pivot shaft; the movable contact assembly is characterized in that a spring 4 for providing elastic force for the movable contact 2 is further arranged in the contact mounting groove 3, a through groove 5 for the spring 4 to be mounted is formed in the position, opposite to the spring 4, on the side wall of the contact mounting groove 3, the length of the through groove 5 is smaller than the length of the spring 4 in a normal state, namely the length of the spring 3 in the normal state is the length of the spring when no external force is applied to the spring, the movable contact 2 and a wire are welded firstly during assembly operation, then the movable contact 2 is mounted in the contact mounting groove 3 of the support member 1 and is inserted with a pivot shaft, and finally the spring 4 is compressed and then mounted in a spring mounting position through the through groove 5 on the side portion, so that assembly is completed. In this embodiment, the moving contact assembly has reasonable structure, and when assembling, the moving contact assembly can be assembled on the support member 1 after the wire is welded with the moving contact 2, so that the condition that the support member 1 is burnt when the wire is welded can be avoided, and the moving contact assembly has good use effect.
In this embodiment, the first positioning groove 21 is formed at the position on the moving contact 2 corresponding to the spring 4, the second positioning groove 31 is formed in the contact mounting groove 3, and two ends of the spring 4 are respectively located in the first positioning groove 21 and the second positioning groove 31, so that the spring can be effectively positioned by adopting the above structure, and stability and effectiveness of spring force are ensured.
Further, the contact mounting grooves 3 are two in parallel, one moving contact 2 is respectively arranged in the two contact mounting grooves 3, the two moving contacts 2 are pivotally mounted through the same pivot shaft, and when the moving contact assembly is mounted and used, the two moving contacts 2 are in contact with the same fixed contact, so that enough contact surface can be ensured, and further the conductivity is ensured.
In this embodiment, the top of the support member 1 is integrally formed with an upward protrusion 11, the top end surface 12 of the protrusion 11 is provided with two color indication areas, the colors of the two color indication areas are different, when the circuit breaker is installed and used, an observation window is provided at a position of the top of the circuit breaker housing corresponding to the protrusion 11, and when the different color indication areas are right opposite to the observation window, the on/off state of the circuit breaker is indicated.
It is to be understood that the above examples of the present invention are provided by way of illustration only and not by way of limitation of the embodiments of the present invention. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the invention remain within the scope of the invention.
Claims (4)
1. A moving contact assembly, comprising a support (1) and a moving contact (2); it is characterized in that the method comprises the steps of,
the support piece (1) is provided with a contact mounting groove (3) in a forming mode, and the upper part of the moving contact (2) is positioned in the contact mounting groove (3) and is pivotally mounted on the support piece (1) through a pivot shaft;
a spring (4) for providing elastic force for the movable contact (2) is further arranged in the contact mounting groove (3), a through groove (5) for mounting the spring (4) is formed in a position, opposite to the spring (4), on the side wall of the contact mounting groove (3), and the length of the through groove (5) is smaller than that of the spring (4) in a normal state;
when the movable contact assembly is specifically assembled, the movable contact (2) is welded with a wire, then the movable contact (2) is arranged in a contact mounting groove (3) of a supporting piece (1) and is inserted with a pivot shaft, and finally a spring (4) is compressed and then is arranged in a spring mounting position through a through groove (5) at the side part, so that the assembly is completed.
2. The movable contact assembly according to claim 1, wherein a first positioning groove (21) is formed in a position, corresponding to the spring (4), on the movable contact (2), a second positioning groove (31) is formed in the contact mounting groove (3), and two ends of the spring (4) are respectively positioned in the first positioning groove (21) and the second positioning groove (31).
3. The movable contact assembly according to claim 1, wherein the number of the contact mounting grooves (3) is two, the two movable contacts (2) are respectively arranged in the two contact mounting grooves (3), and the two movable contacts (2) are pivotally mounted through the same pivot shaft.
4. A moving contact assembly according to claim 1, 2 or 3, wherein the top of the supporting member (1) is integrally formed with an upward protrusion (11), and the top end surface (12) of the protrusion (11) is provided with two color indication areas, and the colors of the two color indication areas are different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434810.6A CN108389736B (en) | 2018-05-09 | 2018-05-09 | Moving contact assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810434810.6A CN108389736B (en) | 2018-05-09 | 2018-05-09 | Moving contact assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108389736A CN108389736A (en) | 2018-08-10 |
| CN108389736B true CN108389736B (en) | 2024-02-13 |
Family
ID=63070380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810434810.6A Active CN108389736B (en) | 2018-05-09 | 2018-05-09 | Moving contact assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108389736B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB355219A (en) * | 1930-05-12 | 1931-08-12 | Frederick Otto Horstmann | Improvements in means for igniting gas burners |
| CN101178984A (en) * | 2007-09-24 | 2008-05-14 | 施耐德万高（天津）电气设备有限公司 | Contact system capable of automatically change-over switching electric appliance |
| CN201256131Y (en) * | 2008-09-23 | 2009-06-10 | 江苏凯隆电器有限公司 | Contact system for low voltage circuit breaker |
| CN201898106U (en) * | 2010-12-01 | 2011-07-13 | 沈阳斯沃电器有限公司 | Movable contact terminal system for single-breakpoint circuit breaker |
| CN202196726U (en) * | 2011-09-13 | 2012-04-18 | 浙江正泰电器股份有限公司 | Miniature circuit breaker easy for automation production |
| CN203434107U (en) * | 2013-07-08 | 2014-02-12 | 上海奉贤四团电器厂 | Moulded case circuit breaker |
| CN204464215U (en) * | 2015-03-23 | 2015-07-08 | 厦门宏发开关设备有限公司 | A kind of moving contact of circuit breaker scolds out rear self-locking structure |
| CN204834542U (en) * | 2015-08-31 | 2015-12-02 | 乐清市嘉菱电器有限公司 | Last moving contact of moulded case circuit breaker |
| CN205452123U (en) * | 2016-03-29 | 2016-08-10 | 孔令权 | Electric vehicle reversing switch |
| CN205828331U (en) * | 2016-06-30 | 2016-12-21 | 洋利电气（杭州）有限公司 | Omnipotent breaker |
| CN208189416U (en) * | 2018-05-09 | 2018-12-04 | 佳一电气有限公司 | Moving contact component |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6538549B1 (en) * | 2001-08-30 | 2003-03-25 | Blue Sea Systems | Advanced electrical circuit breaker system and method |
-
2018
- 2018-05-09 CN CN201810434810.6A patent/CN108389736B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB355219A (en) * | 1930-05-12 | 1931-08-12 | Frederick Otto Horstmann | Improvements in means for igniting gas burners |
| CN101178984A (en) * | 2007-09-24 | 2008-05-14 | 施耐德万高（天津）电气设备有限公司 | Contact system capable of automatically change-over switching electric appliance |
| CN201256131Y (en) * | 2008-09-23 | 2009-06-10 | 江苏凯隆电器有限公司 | Contact system for low voltage circuit breaker |
| CN201898106U (en) * | 2010-12-01 | 2011-07-13 | 沈阳斯沃电器有限公司 | Movable contact terminal system for single-breakpoint circuit breaker |
| CN202196726U (en) * | 2011-09-13 | 2012-04-18 | 浙江正泰电器股份有限公司 | Miniature circuit breaker easy for automation production |
| CN203434107U (en) * | 2013-07-08 | 2014-02-12 | 上海奉贤四团电器厂 | Moulded case circuit breaker |
| CN204464215U (en) * | 2015-03-23 | 2015-07-08 | 厦门宏发开关设备有限公司 | A kind of moving contact of circuit breaker scolds out rear self-locking structure |
| CN204834542U (en) * | 2015-08-31 | 2015-12-02 | 乐清市嘉菱电器有限公司 | Last moving contact of moulded case circuit breaker |
| CN205452123U (en) * | 2016-03-29 | 2016-08-10 | 孔令权 | Electric vehicle reversing switch |
| CN205828331U (en) * | 2016-06-30 | 2016-12-21 | 洋利电气（杭州）有限公司 | Omnipotent breaker |
| CN208189416U (en) * | 2018-05-09 | 2018-12-04 | 佳一电气有限公司 | Moving contact component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108389736A (en) | 2018-08-10 |
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| PB01 | Publication | ||
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