CN205508749U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN205508749U CN205508749U CN201521000880.9U CN201521000880U CN205508749U CN 205508749 U CN205508749 U CN 205508749U CN 201521000880 U CN201521000880 U CN 201521000880U CN 205508749 U CN205508749 U CN 205508749U
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- CN
- China
- Prior art keywords
- arc
- contact mechanism
- connection handle
- tripping
- circuit breaker
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Abstract
The utility model discloses a miniature circuit breaker. The technical scheme who adopts is including establishing operating device, tripping device, contact mechanism, electromagnetic system and the arc control device in the casing, operating device includes the handle on the pin joint is in the casing, tripping device detains including jumping, the hasp, contact mechanism is including moving contact mechanism, quiet contact mechanism, electromagnetic system includes solenoid, arc control device includes the explosion chamber, handle one end is passed through the connecting rod and is connected with jumping to buckle, solenoid one end is connected with quiet contact mechanism with terminal connection, the other end, jump to detain other end coupling in moving contact mechanism's connection handle upper end, the hasp with moving contact mechanism's the coaxial setting of connection handle is in the casing, hasp upper end is equipped with detains that complex catching groove, lower extreme are connected with the release lever, the bottom extension has the flange with jumping, sets up the torsional spring on the hasp, set up extension spring or pressure spring on moving contact mechanism's the connection handle. (B /)
Description
Technical field
This utility model relates to a kind of low-voltage electrical apparatus, is specially a kind of miniature circuit breaker.
Background technology
Conventional small breaker structure, as shown in the Chinese invention patent of Publication No. 102945774A, is mainly made up of the operating mechanism being located in housing, tripping mechanism, contact mechanism, electromagnetic system and arc-control device.Described operating mechanism includes being articulated in the hands handle in housing, described tripping mechanism includes tripping, snap close, described contact mechanism includes dynamic contact mechanism, static contact mechanism, described electromagnetic system includes solenoid, described arc-control device includes arc-chutes, described handle one end is connected with tripping by connecting rod, described solenoid one end is connected with binding post, the other end is connected with static contact mechanism, the moving contact rear end welding flexible wire of described dynamic contact mechanism, described flexible wire other end welding bimetallic guide card, the arc striking piece of arc-chutes is led in the welding of side, described bimetallic guide card lower end, opposite side welding sheet metal is connected with binding post.Described static contact mechanism includes support sector and the static contact being welded in support sector, for increasing striking effect, traditional electromagnetic system additionally increases and has run-on tab, between run-on tab and static contact mechanism separate, this structure not only striking weak effect, and structure is complicated, and volume is big.It addition, when chopper disjunction, can produce electric arc between chopper dynamic/static contact, electric arc brings substantial amounts of heat.For guaranteeing that moving contact has sufficient mechanical strength and thermostability, traditional moving contact is generally by whole one piece of thicker copper sheet entirety punch forming, some mounting bracket to be coordinated install in housing and and the linkage of other parts internal, the moving contact of this structure is relatively costly and volume is bigger.And chopper develops to miniaturization, densification, the direction of cost savings day by day at present.Therefore high cost, large volume are worthless, how in the case of not affecting quality, the cost that practices every conceivable frugality, reduce volume and have become at present one of the focus of research, Important Problems.
Utility model content
The technical problems to be solved in the utility model is to provide that a kind of simple in construction, volume be little, low cost, the simple miniature circuit breaker of installation.
nullFor solving the problems referred to above，The technical solution adopted in the utility model includes the operating mechanism being located in housing、Tripping mechanism、Contact mechanism、Electromagnetic system and arc-control device，Described operating mechanism includes being articulated in the handle in housing，Described tripping mechanism includes tripping、Snap close，Described contact mechanism includes dynamic contact mechanism、Static contact mechanism，Described electromagnetic system includes solenoid，Described arc-control device includes arc-chutes，Described handle one end is connected with tripping by connecting rod，Described solenoid one end is connected with binding post、The other end is connected with static contact mechanism，The moving contact rear end welding flexible wire of described dynamic contact mechanism，Described flexible wire other end welding bimetallic guide card，The arc striking piece of arc-chutes is led in the welding of side, described bimetallic guide card lower end、Opposite side welding sheet metal is connected with binding post，Described static contact mechanism includes support sector and the static contact being welded in support sector，It is characterized in that: described support sector rear end is extended with striking afterbody、Front end extends the No.1 portion of striking of arc，Described striking afterbody、Arc-chutes are stretched in the No.1 portion of striking respectively.
Described miniature circuit breaker, the arc-shaped side for installing arc striking piece it is provided with in described housing, this arc-shaped side upper end has lobe, lower end has mounting groove, described arc striking piece upper end is by being bent to form installation oral area that the lobe with arc-shaped side upper end adapts, being provided with the first flexible arc portion on one side installing oral area, and described arc striking piece lower end is arranged in the mounting groove of described arc-shaped side lower end.
Described miniature circuit breaker, it is characterised in that: described sheet metal is provided with the second flexible arc portion that direction is contrary with the first flexible arc portion of arc striking piece.
Described miniature circuit breaker, described tripping other end axle is connected to the connection handle upper end of described dynamic contact mechanism, described snap close is co-axially located in housing with the connection handle of described dynamic contact mechanism, described snap close upper end is provided with the catching groove with tripping cooperation, lower end is connected with release lever, bottom is extended with rib, snap close arranges torsion spring, the connection handle of described dynamic contact mechanism arranges extension spring or stage clip.
Described miniature circuit breaker, it is characterised in that: described snap close side arranges arched linkage post, and described arched linkage post is positioned at above the multipole linkage mouth of housing.
Described miniature circuit breaker, it is characterized in that: described dynamic contact mechanism is by the connection handle of lamellar and is riveted on the moving contact of connection handle front end and forms, described moving contact front end arranges contact, and described connection handle arranges shaft hole, and described connection handle rear end arranges tripping axis hole；Described connection handle is by shaft hole axle main shaft in housing, and described tripping axle is connected on the tripping axis hole of connection handle rear end, and described snap close is coaxially disposed with connection handle by main shaft.
Described miniature circuit breaker, it is characterised in that: described connection handle correspondence axis hole is provided above spacing hole, and described spacing hole is located on the limit shaft on housing.
The support sector rear end of miniature circuit breaker of the present utility model is extended with striking afterbody, the No.1 portion of striking of front end extension arc, arc-chutes are stretched in described striking afterbody, the No.1 portion of striking respectively, forming an integrated striking bracket institution, its electric conductivity more preferably, thus strengthens its striking effect.Additionally the striking support of integration produces, installation is also more prone to, and alleviates cost.At this substantially, the arc-shaped side for installing arc striking piece it is provided with in described housing, then installation oral area it is set by bending in described arc striking piece upper end and is provided with the first flexible arc portion on one side installing oral area, the reset capability of arc striking piece can be increased in this way, it is convenient to omit back-moving spring.The additionally warp architecture design of arc striking piece upper end, it is also possible to increase its striking effect.
Finally, the direct axle of tripping that this practicality is trapezoidal is connected to the connection handle upper end of dynamic contact mechanism, snap close is co-axially located in housing with the connection handle of dynamic contact mechanism, and is extended with rib bottom snap close.Time to be closed, swing of being turned right by handle, handle drivening rod simultaneously, tripping, snap close linkage, the rib bottom described snap close drives dynamic contact mechanism close to static contact mechanism, makes moving contact contact realization Guan Bi with static contact.The tripping mechanism realized by the way, its tripping, buckle structure are smaller and more exquisite relative to traditional structure, simple, and breaking capacity is more preferable simultaneously.Additionally, use connection handle and be riveted on the moving contact composition dynamic contact mechanism before connection handle, connection handle can use the higher iron material of hardness to make, thickness can be thinner than traditional moving contact rearward end, can overall punching press make containing tripping axis hole, shaft hole and the connection handle assembly of snap close point by punch press, ensureing its mechanical strength simultaneously, its structure is simpler, small and exquisite, frivolous；Moving contact can use copper material to make, and thickness may be thicker than tradition moving contact leading section, while ensureing breaking capacity, greatly reduces copper material and uses, thus alleviate cost.Miniature circuit breaker of the present utility model, its overall volume is less, structure is simpler, cost is lower.
Accompanying drawing explanation
Below in conjunction with Figure of description, this utility model is described further.
Fig. 1,2 it is structural representation of the present utility model；
Fig. 3 is the structural representation of this utility model electromagnetic system；
Fig. 4 is the structural representation of this utility model arc striking piece；
Fig. 5 is the structural representation of this utility model sheet metal；
Fig. 6,7 it is the structural representation of this utility model tripping mechanism；
Fig. 8 is the structural representation of this utility model dynamic contact mechanism.
Detailed description of the invention
Referring to figs. 1 through shown in Fig. 8, miniature circuit breaker of the present utility model, referring to figs. 1 through shown in Fig. 7, miniature circuit breaker of the present utility model, including the operating mechanism being located in housing a, tripping mechanism, contact mechanism, electromagnetic system and arc-control device.Described operating mechanism includes being articulated in the handle 9 in housing, described tripping mechanism includes tripping 10, snap close 11, described contact mechanism includes dynamic contact mechanism 1, static contact mechanism 13, described electromagnetic system includes solenoid 14, described arc-control device includes arc-chutes 21, described handle 9 one end is connected with tripping 10 by connecting rod 16, described solenoid 14 one end is connected with binding post 15, the other end is connected with static contact mechanism 13, the moving contact rear end welding flexible wire 17 of described dynamic contact mechanism 1, described flexible wire 17 other end welding bimetallic guide card 18, the arc striking piece 19 of arc-chutes 21 is led in the welding of side, described bimetallic guide card 18 lower end, opposite side welding sheet metal 24 is connected with binding post 15.Described static contact mechanism 13 includes support sector 1301 and the static contact 1302 being welded in support sector, described support sector 1301 rear end is extended with striking afterbody 1303, the No.1 portion of striking 1304 of front end extension arc, and arc-chutes 21 are stretched in described striking afterbody 1303, the No.1 portion of striking 1304 respectively.
Optimize such scheme further, the arc-shaped side 23 for installing arc striking piece 19 it is provided with in described housing a, this arc-shaped side 23 upper end has lobe 34, lower end has mounting groove 25, described arc striking piece 19 upper end is by being bent to form installation oral area 35 that the lobe 34 with arc-shaped side 23 upper end adapts, being provided with the first flexible arc portion 32 on one side installing oral area 35, and described arc striking piece 19 lower end is arranged in the mounting groove 25 of described arc-shaped side 23 lower end.First side, flexible arc portion 32 of described arc striking piece 19 is provided with set screw 29.The lobe 34 of described arc-shaped side 23 upper end is the most triangular in shape.
Optimizing such scheme further, described sheet metal 24 is provided with the second flexible arc portion 33 that direction is contrary with the first flexible arc portion 32 of arc striking piece 19.To increase reset effect further.
Optimize such scheme further, described tripping 10 other end axle is connected to connection handle 2 upper end of described dynamic contact mechanism 1, described snap close 11 is co-axially located in housing with the connection handle 2 of described dynamic contact mechanism 1, described snap close 11 upper end is provided with the catching groove 26 with tripping 10 cooperation, lower end is connected with release lever 27, bottom is extended with rib 28, snap close 11 arranges torsion spring 29, the connection handle 2 of described dynamic contact mechanism 1 arranges extension spring 30 or stage clip.Described torsion spring 29 is specifically arranged outside the main shaft 36 with snap close 11, and the effect of torsion spring 29 is that the catching groove 26 of snap close 11 is close to tripping 10.The effect of described extension spring 30 is to be separated with static contact by moving contact.Extension spring 30 can also replace with stage clip, during seed collecting stage clip, arranges position and is positioned at the opposite face of extension spring 30.
Described snap close 11 side arranges arched linkage post 31, and described arched linkage post 31 is positioned at above the multipole linkage mouth of housing a.The multipole that can be realized product by arched linkage post 31 is linked.
Described dynamic contact mechanism 1 is by the connection handle 2 of lamellar and is riveted on the moving contact 3 of connection handle 2 front end and forms, and described moving contact 3 front end arranges contact 4, and described connection handle 2 arranges shaft hole 5, and described connection handle 2 rear end arranges tripping axis hole 22；Described connection handle 2 is by shaft hole 5 axle main shaft 36 in housing, and described tripping 10 axle is connected on the tripping axis hole 22 of connection handle 2 rear end, and described snap close 11 is coaxially disposed with connection handle 2 by main shaft 36.The caulking part welding flexible wire 17 of described moving contact 3 rear end, described flexible wire 17 other end welding bimetallic guide card 18, the arc striking piece 19 of arc-chutes 21 is led in the welding of side, described bimetallic guide card 18 lower end, opposite side welding sheet metal 24 is connected with binding post 15.In actual production, connection handle, flexible wire, bimetallic guide card, arc striking piece, binding post can first be welded into an assembly, are directly mounted in housing, and its overall structure is simpler, be easily installed.The corresponding axis hole 5 of described connection handle 2 is provided above spacing hole 8, and described spacing hole 8 is located on the limit shaft 20 on housing a.Spacing hole 8 plays dynamic contact mechanism position-limiting action so that it is control more accurate.
Upper described, not this utility model is done any pro forma restriction, although this utility model discloses as above with preferable case study on implementation, but it is not limited to this utility model, any those skilled in the art, in the range of without departing from technical solution of the present invention, when structure and the technology contents of available the disclosure above make a little equivalent case study on implementation changing or being modified to equivalent variations, but every content without departing from technical solution of the present invention, the any simple modification above case study on implementation made according to the technical spirit of the present invention, equivalent variations and modification, the most still belong to technical solutions of the utility model scope.
Claims (7)
- null1. a miniature circuit breaker，Including the operating mechanism being located in housing (a)、Tripping mechanism、Contact mechanism、Electromagnetic system and arc-control device，Described operating mechanism includes being articulated in the handle (9) in housing，Described tripping mechanism includes tripping (10)、Snap close (11)，Described contact mechanism includes dynamic contact mechanism (1)、Static contact mechanism (13)，Described electromagnetic system includes solenoid (14)，Described arc-control device includes arc-chutes (21)，Described handle (9) one end is connected with tripping (10) by connecting rod (16)，Described solenoid (14) one end is connected with binding post (15)、The other end is connected with static contact mechanism (13)，Moving contact rear end welding flexible wire (17) of described dynamic contact mechanism (1)，Described flexible wire (17) other end welding bimetallic guide card (18)，The arc striking piece (19) of arc-chutes (21) is led in the welding of described bimetallic guide card (18) side, lower end、Opposite side welding sheet metal (24) is connected with binding post (15)，Described static contact mechanism (13) includes support sector (1301) and the static contact (1302) being welded in support sector，It is characterized in that: described support sector (1301) rear end is extended with striking afterbody (1303)、Front end extends the No.1 portion of striking (1304) of arc，Described striking afterbody (1303)、Arc-chutes (21) are stretched in the No.1 portion of striking (1304) respectively.
- Miniature circuit breaker the most according to claim 1, the arc-shaped side (23) for installing arc striking piece (19) it is provided with in described housing (a), this arc-shaped side (23) upper end has lobe (34), lower end has mounting groove (25), described arc striking piece (19) upper end by be bent to form adapt with the lobe (34) of arc-shaped side (23) upper end installation oral area (35), be provided with the first flexible arc portion (32) on one side installing oral area (35), described arc striking piece (19) lower end is arranged in the mounting groove (25) of described arc-shaped side (23) lower end.
- Miniature circuit breaker the most according to claim 2, it is characterised in that: described sheet metal (24) is provided with the second flexible arc portion (33) that direction is contrary with the first flexible arc portion (32) of arc striking piece (19).
- 4. according to the miniature circuit breaker described in claim 1 or 2 or 3, described tripping (10) other end axle is connected to connection handle (2) upper end of described dynamic contact mechanism (1), described snap close (11) is co-axially located in housing with the connection handle (2) of described dynamic contact mechanism (1), described snap close (11) upper end is provided with the catching groove (26) coordinated with tripping (10), lower end is connected with release lever (27), bottom is extended with rib (28), snap close (11) arranges torsion spring (29), on the connection handle (2) of described dynamic contact mechanism (1), extension spring (30) or stage clip are set.
- Miniature circuit breaker the most according to claim 4, it is characterised in that: described snap close (11) side arranges arched linkage post (31), and described arched linkage post (31) is positioned at above the multipole linkage mouth of housing (a).
- 6. according to the miniature circuit breaker described in claim 1 or 2 or 3, it is characterized in that: described dynamic contact mechanism (1) is by the connection handle (2) of lamellar and is riveted on the moving contact (3) of connection handle (2) front end and forms, described moving contact (3) front end arranges contact (4), arranging shaft hole (5) on described connection handle (2), described connection handle (2) rear end arranges tripping axis hole (22)；Described connection handle (2) is by shaft hole (5) axle main shaft (36) in housing, and described tripping (10) axle is connected on the tripping axis hole (22) of connection handle (2) rear end, and described snap close (11) is coaxially disposed with connection handle (2) by main shaft (36).
- Miniature circuit breaker the most according to claim 6, it is characterised in that: the corresponding axis hole (5) of described connection handle (2) is provided above spacing hole (8), on the limit shaft (20) that described spacing hole (8) is located on housing (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000880.9U CN205508749U (en) | 2015-12-07 | 2015-12-07 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521000880.9U CN205508749U (en) | 2015-12-07 | 2015-12-07 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205508749U true CN205508749U (en) | 2016-08-24 |
Family
ID=56720699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521000880.9U Active CN205508749U (en) | 2015-12-07 | 2015-12-07 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205508749U (en) |
-
2015
- 2015-12-07 CN CN201521000880.9U patent/CN205508749U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201224 Address after: 236000 No.18 Zhenxing Road, Yingdong Economic Development Zone, Fuyang City, Anhui Province Patentee after: ANHUI WGLEAN ELECTRIC Co.,Ltd. Address before: No.48, Xinguang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: WENZHOU MANLY ELECTRIC Co.,Ltd. |