CN203882926U - Internal accessory transmission device for circuit breakers - Google Patents
Internal accessory transmission device for circuit breakers Download PDFInfo
- Publication number
- CN203882926U CN203882926U CN201420303636.9U CN201420303636U CN203882926U CN 203882926 U CN203882926 U CN 203882926U CN 201420303636 U CN201420303636 U CN 201420303636U CN 203882926 U CN203882926 U CN 203882926U
- Authority
- CN
- China
- Prior art keywords
- driving member
- circuit breaker
- push rod
- transmission device
- release
- 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.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an internal accessory transmission device for circuit breakers. Internal accessories of a circuit breaker comprise tripping devices, a shell, a tripping device actuator, a tripping device pushing rod, and a circuit breaker traction rod. The internal accessory transmission device for circuit breakers comprises a transmission member and a reset spring. The transmission member includes a pushing rod contact part always in contact with the tripping device pushing rod, and a traction rod pushing part used for pushing the circuit breaker traction rod when a circuit fails. The transmission member can rotate freely. One end of the reset spring is connected to the transmission member, and the other end of the reset spring is connected to the shell. The reset spring always makes the transmission member and the tripping device pushing rod in contact with each other. According to the utility model, force on the internal accessories is shifted to an action object by the transmission member to achieve the protection function of under-voltage and shunt tripping devices. Users can replace different tripping devices according to the demand. The internal accessory transmission device for circuit breakers is simple in structure and convenient to install.
Description
Technical field
The utility model belongs to technical field of electricity, is specifically related to a kind of contents transmission device of circuit breaker, particularly the transmission device between under-voltage or shunt release and molded case circuit breaker mechanism.
Background technology
The contents of circuit breaker comprises shunt release, device for under-voltage releasing equipment, auxiliary contact and Alarm contactor, and shunt release is a kind of annex of remote control breaker open operation, according to telecommunication signal action, can realize Long-distance Control and automatically control.Device for under-voltage releasing equipment can be realized the under voltage protection function of circuit breaker, cut-off breaker when supply voltage is too low, protection power consumption equipment.Auxiliary contact and Alarm contactor are the annexes that can feed back breaker of plastic casing combined floodgate, separating brake, three kinds of states of dropout.
The contents of circuit breaker is subject to the restrictions such as product structure, shell frame size, installation site, and often a series needs two or more contents, and these annexes are only all often the difference of profile size.
Utility model content
The purpose of this utility model is: a kind of contents transmission device for circuit breaker is provided, and when, shunt opening annex under-voltage to realize moves, breaker mechanism can respond a minute deenergizing.
Specifically, the utility model is to take following technical scheme to realize: a kind of contents transmission device for circuit breaker, the contents of described circuit breaker comprises release, shell, release actuated piece, release push rod and circuit breaker draw bar, the described contents transmission device for circuit breaker comprises driving member and back-moving spring, described driving member comprises the push rod contact site that contacts with release push rod all the time and for promote the draw bar pushing part of circuit breaker draw bar when circuit breaks down, driving member can freely rotate, one end of described back-moving spring is connected on driving member, the other end is connected on shell, back-moving spring makes driving member contact with release push rod all the time.
As further improvement of the utility model, should also comprise for the contents transmission device of circuit breaker fixing pressing plate in the enclosure, described shell and/or pressing plate are provided with groove, the groove formation cavity that matches, described driving member is provided with projection, projection on driving member coordinates with cavity, so that the axial location of driving member to be provided.
As further improvement of the utility model, described cavity is cylindrical, and cylindrical cavity and driving member are matched in clearance, makes the driving member can flexible rotating.
As further improvement of the utility model, the push rod contact site of described driving member and draw bar pushing part are the column structure that two ends are arc surface, wherein, and the cooperation that contacts with release push rod all the time of the arc surface of push rod contact site.
The beneficial effects of the utility model are as follows: the utility model has improved the structure of circuit breaker and annex thereof; by adopting driving member that the power on contents is transformed on product; make the overall dimension of annex identical; simple in structure; easy for installation, realized defencive function under-voltage, shunt release.User can change different releases according to self-demand, and corresponding annex is installed.Different types of annex is connected with the mechanism of circuit breaker by same transmission device, and when circuit breaks down, annex action is cut off circuit by pushing mechanism response.
Accompanying drawing explanation
Fig. 1 is assembling schematic diagram of the present utility model;
Fig. 2 is the complete assembling schematic diagram of the utility model and internal accessories of breaker;
Fig. 3 is plane assembling schematic diagram of the present utility model;
Fig. 4 is the structural representation of shell of the present utility model;
Fig. 5 is the structural representation of driving member of the present utility model;
Fig. 6 is the structural representation of pressing plate of the present utility model;
Actuation schematic diagram of the present utility model when Fig. 7 is normal operation of circuit breaker;
Fig. 8 is circuit actuation schematic diagram of the present utility model while breaking down.
In figure: 1 is shell, 2 is pressing plate, and 3 is driving member, and 4 is back-moving spring, and 5 is release, and 6 is release actuated piece, and 7 is release push rod, and 8 is circuit breaker draw bar, and 9 is push rod contact site, and 10 is draw bar pushing part, and 11 is projection.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in detail.
A kind of contents transmission device for circuit breaker of the utility model, wherein: the contents of circuit breaker comprises release 5, shell 1, release actuated piece 6, release push rod 7 and circuit breaker draw bar 8; Contents transmission device for circuit breaker comprises driving member 3 and back-moving spring 4, driving member 3 comprises the push rod contact site 9 that contacts with release push rod 7 all the time and for promote the draw bar pushing part 10 of circuit breaker draw bar 8 when circuit breaks down, driving member 3 can freely rotate, back-moving spring 4 is fixed on driving member 3 relatively, its one end is connected on driving member 3, the other end is connected on shell 1, and back-moving spring 4 makes driving member 3 contact with release push rod 7 all the time.
As shown in Figure 1, its assembly structure as shown in Figures 2 and 3 for the utility model example structure.
In this embodiment, adopt a pressing plate 2 as shown in Figure 6 to match with shell 1 bottom and form a cavity, the mode that forms cavity can be only at pressing plate bottom slot, also can be only at shell bottom slot, but the groove (as shown in Figure 4 and Figure 6) of semicircle arcuation is preferably set simultaneously, a cavity of common formation after the two amalgamation at pressing plate bottom and outer casing bottom.Match with it, projection 11 or rotation axis or other axle shape structure can be set on driving member 3, the present embodiment only describes so that the situation of projection 11 to be set.On driving member, 3 projection 11 is arranged in cavity, coordinates with cavity, can realize the axial location of driving member 3.This cavity is preferably cylindrical, and cylindrical cavity and driving member 3 are matched in clearance, makes the driving member 3 can flexible rotating.
As shown in Figure 5, its push rod contact site 9 and 10Wei two ends, draw bar pushing part are the column structure of arc surface to the preferred structure of driving member 3, wherein, and the cooperation that contacts with release push rod 7 all the time of the arc surface of push rod contact site 9.
The course of work of the present utility model is as follows:
When normal operation of circuit breaker, the state of release transmission device as shown in Figure 7.The push rod contact site 9 of driving member 3 is a stable side that rests on release push rod 7 under the effect of back-moving spring 4.
When circuit breaks down, release will move, and wherein release actuated piece 6 will be around center O
1rotate, and drive release push rod 7 to move, the lever arm of release push rod 7 acts on the push rod contact site 9 of driving member 3, makes driving member 3 around center O
2rotate.Along with the transmission of driving member 3,10 positions, draw bar pushing part of driving member 3 change, as shown in Figure 8.Meanwhile, the draw bar pushing part 10 of driving member 3 promotes circuit breaker draw bar 8, and circuit breaker draw bar 8 will rotate around it center O
3rotate, trigger the mechanism action of circuit breaker, final circuit breaker divides deenergizing.
Although the utility model with preferred embodiment openly as above, embodiment is not used for limiting the utility model.Within not departing from the spirit and scope of the utility model, any equivalence of doing changes or retouching, belongs to equally the protection range of the utility model.Therefore should to take the application's the content that claim was defined be standard to protection range of the present utility model.
Claims (4)
1. the contents transmission device for circuit breaker, the contents of described circuit breaker comprises release (5), shell (1), release actuated piece (6), release push rod (7) and circuit breaker draw bar (8), it is characterized in that: the described contents transmission device for circuit breaker comprises driving member (3) and back-moving spring (4), described driving member (3) comprises the push rod contact site (9) that contacts with release push rod (7) all the time and for promote the draw bar pushing part (10) of circuit breaker draw bar (8) when circuit breaks down, driving member (3) can freely rotate, one end of described back-moving spring (4) is connected on driving member (3), the other end is connected on shell (1), back-moving spring (4) makes driving member (3) contact with release push rod (7) all the time.
2. the contents transmission device for circuit breaker according to claim 1, it is characterized in that: also comprise the pressing plate (2) being fixed in shell (1), described shell (1) and/or pressing plate (2) are provided with groove, the groove formation cavity that matches, described driving member (3) is provided with projection (11), on driving member, the projection of (3) (11) coordinates with cavity, so that the axial location of driving member (3) to be provided.
3. the contents transmission device for circuit breaker according to claim 2, is characterized in that: described cavity is cylindrical, and cylindrical cavity and driving member (3) are matched in clearance, makes the driving member (3) can flexible rotating.
4. according to the contents transmission device for circuit breaker described in any one in claims 1 to 3, it is characterized in that: the push rod contact site (9) of described driving member (3) and draw bar pushing part (10) are the column structure of arc surface for two ends, wherein, the arc surface of push rod contact site (9) cooperation that contacts with release push rod (7) all the time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303636.9U CN203882926U (en) | 2014-06-10 | 2014-06-10 | Internal accessory transmission device for circuit breakers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420303636.9U CN203882926U (en) | 2014-06-10 | 2014-06-10 | Internal accessory transmission device for circuit breakers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882926U true CN203882926U (en) | 2014-10-15 |
Family
ID=51683400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420303636.9U Withdrawn - After Issue CN203882926U (en) | 2014-06-10 | 2014-06-10 | Internal accessory transmission device for circuit breakers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008932A (en) * | 2014-06-10 | 2014-08-27 | 大全集团有限公司 | Internal accessory transmission device for circuit breaker |
-
2014
- 2014-06-10 CN CN201420303636.9U patent/CN203882926U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104008932A (en) * | 2014-06-10 | 2014-08-27 | 大全集团有限公司 | Internal accessory transmission device for circuit breaker |
| CN104008932B (en) * | 2014-06-10 | 2015-12-09 | 大全集团有限公司 | A kind of contents transmission device for circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141015 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |