CN201985048U - Circuit breaker - Google Patents
Circuit breaker Download PDFInfo
- Publication number
- CN201985048U CN201985048U CN2011200916908U CN201120091690U CN201985048U CN 201985048 U CN201985048 U CN 201985048U CN 2011200916908 U CN2011200916908 U CN 2011200916908U CN 201120091690 U CN201120091690 U CN 201120091690U CN 201985048 U CN201985048 U CN 201985048U
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- contact
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- bearing pin
- snap close
- type connection
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Abstract
The utility model provides a circuit breaker bringing convenience for connecting an external lead wire and a wiring seat. The circuit breaker comprises a housing, wherein two wiring seats are arranged on the housing; an overcurrent protection component, a short-circuit protection component and an operation component are arranged in the housing, and the operation component is in linkage with the overcurrent protection component and the short-circuit protection component respectively; an arc-extinguishing chamber is further arranged between the overcurrent protection component and the short-circuit protection component; at least one of the two wiring seats is a plug-in wiring seat; the plug-in wiring seat comprises a plug-in wiring seat main body fixed together with the housing; two symmetric cards are arranged on the plug-in wiring seat main body; one end of each card is fixedly connected with the plug-in wiring seat main body, and the other ends of the cards are clung to and matched with each other; and clingy open ends on the two cards are conducted with the outside. An external lead wire can be fixed so long as the lead wire is plugged into the open end of the plug-in wiring seat main body, thereby facilitating the production and living needs of people.
Description
Technical field
The utility model relates to a kind of circuit breaker, relates in particular to the low-voltage circuit breaker of a kind of short-circuit protection and overcurrent protection.
Background technology
At present, circuit breaker is divided into primary cut-out and low-voltage circuit breaker by its scope of application, and wherein, low-voltage circuit breaker claims automatic switch again, and it is a kind of existing hand switch effect, can carry out the electrical equipment of short circuit and overcurrent protection again automatically.Low-voltage circuit breaker mainly includes shell; on shell, be provided with two junction blocks; in shell, be respectively equipped with overcurrent protection assemble; the short-circuit protection assembly; and respectively with the operating assembly of overcurrent protection assemble and short-circuit protection assembly interlock; between overcurrent protection assemble and short-circuit protection assembly, also be provided with arc control device; in the time of circuital current overrate that imports from two junction blocks or voltage overload; overcurrent protection assemble and short-circuit protection assembly are made a response successively and are made switching mechanism disconnect; realize opening circuit of circuit, thereby each electric component in this circuit has been played critical protective effect.
Wherein, junction block in the existing low-voltage circuit breaker all adopts post to connect the formula junction block, this post connects the post that the formula junction block includes with the fixing tubulose of housing and connects formula junction block body, post connects formula junction block body and is provided with screw, the screw place is installed on bolt, can realize that by regulating bolt bolt bottom and post connect the close of formula junction block inner body wall and separate.So outer lead and post need be connect the formula junction block fixing the time, then outer lead is stretched into post and connect formula junction block body interior, regulate bolt then and realize that outer lead being connect formula junction block inner body wall to post bottom the bolt compresses.But it is relative with the outer lead ways of connecting loaded down with trivial details that this post connects the formula junction block, and especially small-sized low-voltage circuit breaker upper prop connects that formula junction block volume is little, and structure is meticulous, so need expensive energy do this work in wiring.And in the actual production life, low-voltage circuit breaker is eventful to be installed earlier on wall or in the narrow and small device, and so more the post lead connection that connects the formula junction block has increased difficulty.
Summary of the invention
In order to overcome the deficiencies in the prior art, the utility model provides a kind of circuit breaker that outer lead is connected with junction block of being convenient to.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of circuit breaker; include shell; on shell, be provided with two junction blocks; in shell, be respectively equipped with overcurrent protection assemble; the short-circuit protection assembly; and respectively with the operating assembly of overcurrent protection assemble and short-circuit protection assembly interlock; between overcurrent protection assemble and short-circuit protection assembly, also be provided with arc control device; it is characterized in that: have at least one to be the plug in type connection seat in described two junction blocks; described plug in type connection seat includes and the fixing plug in type connection seat body of housing; the plug in type connection seat body is provided with two symmetrically arranged cards; one end of this card is fixedlyed connected with the plug in type connection seat body; the other end is adjacent to cooperation mutually, and the openend and the outside that are adjacent to mutually on two cards are conducted.
Adopt technique scheme, the plug in type connection seat has wiring and takes out stitches advantage easily, outer lead only need insert on the plug in type connection seat body in the openend between two cards, then because the characteristic that the plug in type connection seat body self is fitted mutually and clamped, can realize fixing to the insertion lead, the post of conventional circuit breaker connects the formula junction block relatively, and is convenient easily with regard to the characteristics of the line of lead and the aspect of taking out stitches, for people's production and living needs are provided convenience.Wherein, if the outer wire termination that inserts is provided with a metal connection-peg, be used by connection-peg and plug in type connection seat, convenient more for the connection of circuit breaker like this, advantage is also more outstanding.
Of the present utility modelly further be set to: described junction block includes a plug in type connection seat and a post connects the formula junction block, described post connects the post that the formula junction block includes with the fixing tubulose of housing and connects formula junction block body, post connects formula junction block body upper open end and outside is conducted, post connects formula junction block body and is provided with screw, and the screw place is installed on the bolt that can regulate in screw.
Adopt technique scheme, reason owing to the circuit breaker installation site, tend to make circuit breaker to face the convenient lead that connects of a certain side junction block, a certain side junction block is inconvenient to connect the situation of lead, so plug in type connection seat and post connect the setting of formula junction block, can allow the client adjust and arrange, make hommization more according to self needs.
Of the present utility modelly further be set to: described plug in type connection seat also includes closure, this closure is the U-shaped structure, closure is arranged in the outside of two adjacent card openends, and this closure openend diameter is less than adjacent card openend diameter, the plug in type connection seat body is provided with fixed contact, and this fixed contact also can be electrically connected with the contact formation towards the contact setting.
Adopt technique scheme, closure that further raising external wire is set is tightr with fixedlying connected of plug in type connection seat, especially effect is more obvious when the external wire head is connected with connection-peg, fixed contact protrudes in plug in type connection seat body surface, just be positioned at contact and plug in type connection seat body and constitute end inconsistent when electrically connecting, played wear-resisting effect.
Of the present utility modelly further be set to: described operating assembly includes switching mechanism again; and be fixedly arranged on contact bearing pin on the housing; snap close bearing pin and tripping bearing pin; be rotatably connected to contact supporter and the contact of fixedlying connected on the contact bearing pin with the contact supporter; also be arranged with the contact torsion spring on the contact bearing pin; the contact supporter is connected with housing elasticity by the contact torsion spring; contact supporter and switching mechanism interlock; the snap close bearing pin is positioned at the opposite side of contact bearing pin place, overcurrent protection assemble place side; be rotatably connected to snap close on the snap close bearing pin; and install tripping bearing pin on housing; be rotatably connected to tripping on the tripping bearing pin; one end of tripping and contact interlock; the other end and snap close interlock; be rotatably connected to tripping on the tripping bearing pin; one end of tripping and contact interlock; the other end and snap close interlock; described overcurrent protection assemble includes two gold plaques; two gold plaque one ends are fixedlyed connected with junction block; the other end is provided with towards snap close place end; described short-circuit protection assembly includes coil and is arranged in the push rod at place, coil axle center; electrically connect towards the end of snap close place end on one end of coil and the two gold plaques; the other end and contact electrically connect; the path of push rod is positioned on the path of snap close rotation; when being in over-current state, push rod is along self axial motion and contact on the snap close.
Adopt technique scheme; the short-circuit protection of this circuit breaker is realized by short-circuit protection assembly and operating assembly cooperating; overcurrent protection then realizes by overcurrent protection assemble and operating assembly cooperating; and above-mentioned circuit breaker overall structure is simple; production cost is low; help the popularization and the sale in market, have very strong competitiveness.In addition, overcurrent protection assemble and contact lay respectively at the both sides of short-circuit protection assembly, realize that overcurrent protection assemble and short-circuit protection assembly do not disturb down in working order mutually, make the circuit breaker reaction more quick and precisely.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the front view of operating assembly, overcurrent protection assemble and the short-circuit protection assembly of the utility model embodiment.
Fig. 3 is the schematic diagram at another visual angle of Fig. 2.
Fig. 4 connects the schematic diagram of formula junction block for the utility model embodiment post.
Fig. 5 is the explosive view of the utility model embodiment plug in type connection seat.
Embodiment
As Figure 1-3; the junction block 2 that present embodiment includes shell 1, is provided with respectively in shell 1 both sides; junction block 2 comprises that a post connects formula junction block 21 and a plug in type connection seat 22; in shell 1, be respectively equipped with overcurrent protection assemble 3, short-circuit protection assembly 4 and respectively with the operating assembly 5 of overcurrent protection assemble 3 and 4 interlocks of short-circuit protection assembly, between overcurrent protection assemble 3 and short-circuit protection assembly 4, also be provided with arc control device 6.Described operating assembly 5 includes switching mechanism 51, and be fixedly arranged on contact bearing pin 52 on the housing 1, snap close bearing pin 53 and tripping bearing pin 54, be rotatably connected to the contact 55 of contact supporter 521 and the metal material of fixedlying connected on the contact bearing pin 52 with contact supporter 521, also be arranged with contact torsion spring 56 on the contact bearing pin 52, contact supporter 521 is connected with housing 1 elasticity by contact torsion spring 56, when operating switch mechanism 51, then switching mechanism 51 drives contact supporter 521 around 52 rotations of contact bearing pin, makes that the contact 55 on the contact supporter 521 is swung and electrically connected with plug in type connection seat 22 formations.Snap close bearing pin 53 is positioned at the opposite side of overcurrent protection assemble 3 place's contact bearing pin 52 place sides; be rotatably connected to snap close 531 on the snap close bearing pin 53; and install tripping bearing pin 54 on housing 1; be rotatably connected to tripping 541 on the tripping bearing pin 54; one end of tripping 541 and contact 55 interlocks; the other end and snap close 531 interlocks; when switching mechanism 51 drives tripping 541 around 54 swings of tripping bearing pin; tripping 541 ends will drive snap close 531 and rotate around snap close bearing pin 53, and the interlock of 531 of tripping 541 and snap closes is to realize by meticulous cooperation.Described overcurrent protection assemble 3 includes two gold plaques 31; two gold plaques 31 are located at post and connect 531 of formula junction block 21 and snap closes; two gold plaque 31 1 ends connect formula junction block 21 with post and fixedly connected; the other end is provided with towards snap close 531 place ends; when the input current overcurrent; snap close 531 can produce under the power effect of snap close 531 directions at two gold plaque 31 heated bendings, makes 541 of snap close 531 and trippings take place to break away from action, thereby makes circuit breaker open circuit.Described short-circuit protection assembly 4 includes coil 41 and is arranged in the push rod 42 at place, coil 41 axle center; electrically connect towards the end of snap close 531 place ends on one end of coil 41 and the two gold plaques 31; the other end and contact 55 electrically connect; the path of push rod 42 is positioned on the path of snap close 531 rotations; when being in over-current state; push rod 42 will be under the electromagnetic induction of coil 41 be done the action of stretching out along self axial motion to coil 41 outsides; thereby push rod 42 ends are contacted on the snap close 531; make 541 of snap close 531 and trippings take place to break away from action, thereby make circuit breaker open circuit.The short-circuit protection of this circuit breaker is realized by short-circuit protection assembly 4 and operating assembly 5 cooperatings; overcurrent protection then realizes by overcurrent protection assemble 3 and operating assembly 5 cooperatings; and described overall structure is provided with simple; production cost is low; help the popularization and the sale in market, have very strong competitiveness.
In the utility model, as shown in Figure 4, described post connects the post that formula junction block 21 includes with the fixing tubulose of housing and connects formula junction block body 211, post connects formula junction block body 211 upper open ends and housing 1 outside is conducted, post connects formula junction block body 211 and is provided with screw, and the screw place is installed on the bolt 212 that can regulate in screw.As described in Figure 5, plug in type connection seat 22 includes plug in type connection seat body 221, plug in type connection seat body 221 is provided with two symmetrically arranged cards 222, one end of this card 222 is fixedlyed connected with plug in type connection seat body 221, the other end is adjacent to cooperation mutually, and the openend and the outside that are adjacent to mutually on two cards 222 are conducted.Plug in type connection seat 22 also includes closure 223, this closure 223 is the U-shaped structure, closure 223 is arranged in the outside of two adjacent card 222 openends, and these closure 223 openend diameters are less than adjacent card 222 openend diameters, plug in type connection seat body 221 places are provided with fixed contact 2211, and this fixed contact 2211 is provided with and can constitutes with contact 55 towards contact 55 and is electrically connected.
In the utility model, plug in type connection seat 22 has wiring and takes out stitches advantage easily, outer lead only need insert in the openend of 222 of two cards on the plug in type connection seat body 221, then because the characteristic that plug in type connection seat body 221 self is fitted mutually and clamped, can realize fixing to the insertion lead, the post of conventional circuit breaker connects the formula junction block relatively, and is convenient easily with regard to the characteristics of the line of lead and the aspect of taking out stitches, for people's production and living needs are provided convenience.Wherein, the outer wire termination that inserts also can be provided with a metal connection-peg, is used by connection-peg and plug in type connection seat 22, and convenient more for the connection of circuit breaker like this, advantage is also more outstanding.Reason owing to the circuit breaker installation site, tend to make circuit breaker to face the convenient lead that connects of a certain side junction block, a certain side junction block is inconvenient to connect the situation of lead, so plug in type connection seat 22 and post connect the setting of formula junction block 21, can allow the client adjust and arrange, make hommization more according to self needs.Closure 223 that further raising external wire is set is tightr with fixedlying connected of plug in type connection seat 22, especially effect is more obvious when the external wire head is connected with connection-peg, fixed contact 2211 protrudes in plug in type connection seat body 221 surfaces, just be positioned at contact 53 and plug in type connection seat body 221 and constitute end inconsistent when electrically connecting, played wear-resisting effect.Overcurrent protection assemble 3 and contact 55 lay respectively at the both sides of short-circuit protection assembly 4, realize that overcurrent protection assemble 3 and short-circuit protection assembly 4 do not disturb down in working order mutually, make the circuit breaker reaction more quick and precisely.The utility model can also have other execution modes, and the technical scheme that equal replacement of all employings or equivalent transformation form all drops within the claimed scope of the utility model.
Claims (4)
1. circuit breaker; include shell; on shell, be provided with two junction blocks; in shell, be respectively equipped with overcurrent protection assemble; the short-circuit protection assembly; and respectively with the operating assembly of overcurrent protection assemble and short-circuit protection assembly interlock; between overcurrent protection assemble and short-circuit protection assembly, also be provided with arc control device; it is characterized in that: have at least one to be the plug in type connection seat in described two junction blocks; described plug in type connection seat includes and the fixing plug in type connection seat body of housing; the plug in type connection seat body is provided with two symmetrically arranged cards; one end of this card is fixedlyed connected with the plug in type connection seat body; the other end is adjacent to cooperation mutually, and the openend and the outside that are adjacent to mutually on two cards are conducted.
2. circuit breaker according to claim 1, it is characterized in that: described junction block includes a plug in type connection seat and a post connects the formula junction block, described post connects the post that the formula junction block includes with the fixing tubulose of housing and connects formula junction block body, post connects formula junction block body upper open end and outside is conducted, post connects formula junction block body and is provided with screw, and the screw place is installed on the bolt that can regulate in screw.
3. circuit breaker according to claim 2, it is characterized in that: described plug in type connection seat also includes closure, this closure is the U-shaped structure, closure is arranged in the outside of two adjacent card openends, and this closure openend diameter is less than adjacent card openend diameter, the plug in type connection seat body is provided with fixed contact, and this fixed contact also can be electrically connected with the contact formation towards the contact setting.
4. according to claim 2 or 3 described circuit breakers; it is characterized in that: described operating assembly includes switching mechanism; and be fixedly arranged on contact bearing pin on the housing; snap close bearing pin and tripping bearing pin; be rotatably connected to contact supporter and the contact of fixedlying connected on the contact bearing pin with the contact supporter; also be arranged with the contact torsion spring on the contact bearing pin; the contact supporter is connected with housing elasticity by the contact torsion spring; contact supporter and switching mechanism interlock; the snap close bearing pin is positioned at the opposite side of contact bearing pin place, overcurrent protection assemble place side; be rotatably connected to snap close on the snap close bearing pin; and install tripping bearing pin on housing; be rotatably connected to tripping on the tripping bearing pin; one end of tripping and contact interlock; the other end and snap close interlock; be rotatably connected to tripping on the tripping bearing pin; one end of tripping and contact interlock; the other end and snap close interlock; described overcurrent protection assemble includes two gold plaques; two gold plaque one ends are fixedlyed connected with junction block; the other end is provided with towards snap close place end; described short-circuit protection assembly includes coil and is arranged in the push rod at place, coil axle center; electrically connect towards the end of snap close place end on one end of coil and the two gold plaques; the other end and contact electrically connect; the path of push rod is positioned on the path of snap close rotation; when being in over-current state, push rod is along self axial motion and contact on the snap close.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200916908U CN201985048U (en) | 2011-03-31 | 2011-03-31 | Circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200916908U CN201985048U (en) | 2011-03-31 | 2011-03-31 | Circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201985048U true CN201985048U (en) | 2011-09-21 |
Family
ID=44612504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200916908U Expired - Fee Related CN201985048U (en) | 2011-03-31 | 2011-03-31 | Circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201985048U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655065A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN108010816A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | A kind of connecting terminal components for miniature circuit breaker |
| CN108010815A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | It is a kind of to connect battery plate component for miniature circuit breaker |
-
2011
- 2011-03-31 CN CN2011200916908U patent/CN201985048U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102655065A (en) * | 2012-04-17 | 2012-09-05 | 温州控保电气有限公司 | Control and protective switching device |
| CN108010816A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | A kind of connecting terminal components for miniature circuit breaker |
| CN108010815A (en) * | 2017-12-28 | 2018-05-08 | 高锦 | It is a kind of to connect battery plate component for miniature circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20120331 |