CN207800517U - Breaker with bus-bar installation part anti-drop function - Google Patents
Breaker with bus-bar installation part anti-drop function Download PDFInfo
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- CN207800517U CN207800517U CN201721920961.XU CN201721920961U CN207800517U CN 207800517 U CN207800517 U CN 207800517U CN 201721920961 U CN201721920961 U CN 201721920961U CN 207800517 U CN207800517 U CN 207800517U
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- bar
- bar installation
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Abstract
The utility model is related to a kind of breakers with bus-bar installation part anti-drop function, including shell, operation handle, contact system, tripping system, dropout driving mechanism and arc-chutes are equipped in shell, the bus-bar installation part for being buckled in bus-bar and the installation cavity for installing bus-bar installation part are additionally provided in shell, bus-bar installation part includes the bending section being located in installation cavity and the extension extended positioned at bending section both sides and to outside shell, and shell is located at installation cavity and is provided with the anti-falling piece for preventing bus-bar installation part abjection installation cavity.Using the above scheme, the utility model provides a kind of breaker with bus-bar installation part anti-drop function detached bus-bar installation part with breaker when avoiding dismantling from bus-bar in breaker.
Description
Technical field
The utility model is related to a kind of breakers, and in particular to a kind of open circuit with bus-bar installation part anti-drop function
Device.
Background technology
Breaker is the electric current for referring to close, carry and cut-off under normal loop condition and can close, when defined
Interior carrying and the switching device for cut-offfing the electric current under abnormal loop condition.
Traditional breaker includes shell, and operation handle, contact system, tripping system, dropout driving machine are equipped in shell
Structure and arc-chutes, are installed for the ease of shell, and housing bottom can also be arranged the bus-bar installation part for being buckled in bus-bar and be used for
The installation cavity of bus-bar installation part is installed, which is U-shaped component, and bus-bar installation part includes being located in installation cavity
Bending section and the extension that extends positioned at bending section both sides and to outside shell, bending section be compressed in installation cavity, extension to
Inside bending.
Traditional bus-bar installation part relies on elastic limit possessed by material in installation cavity, however possessed by material
Elastic force is limited, and when dismantling breaker from bus-bar, the bus-bar installation part for being buckled in bus-bar can be by bus-bar from installation
Chamber is taken out of, and bus-bar installation part is made to be detached with breaker, makes troubles to installation next time, needs the shell for dismantling breaker that will converge
Stream row's installation part reinstalls back installation cavity.
Invention content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide one kind to avoid in breaker from confluence
The breaker with bus-bar installation part anti-drop function for detaching bus-bar installation part with breaker when being dismantled on row.
To achieve the above object, the utility model provides following technical solution：Including shell, it is equipped in the shell
Operation handle, contact system, tripping system, dropout driving mechanism and arc-chutes are additionally provided in the shell and are buckled in remittance
The bus-bar installation part of row and the installation cavity for installing bus-bar installation part are flowed, the bus-bar installation part includes being located at peace
Bending section in behaveing affectedly and positioned at bending section both sides and the extension that extends to outside shell and be clamped with bus-bar, feature exist
In：The shell is located at installation cavity and is provided with the anti-falling piece for preventing bus-bar installation part abjection installation cavity.
By using above-mentioned technical proposal, anti-falling piece is added, bus-bar installation part is avoided to deviate from installation cavity, ensures bus-bar
The Assembly stability of installation part and shell avoids the breaker to dismounting from generating additional inconvenience.
The utility model is further arranged to：The anti-falling piece is anti-drop rod, and the anti-drop rod is pacified across bus-bar
Each extension of piece installing, the anti-drop rod both ends are respectively limited by the cavity wall of installation cavity.
By using above-mentioned technical proposal, as the first embodiment of anti-falling piece, anti-drop rod is in breaker from confluence
When being dismantled at row, bus-bar is offset to the active force of bus-bar installation part by the limit power of the cavity wall of itself and installation cavity, is made
Bus-bar installation part keeps the assembled state with shell.
The utility model is further arranged to：The shell be located in the cavity wall of installation cavity respectively with anti-drop rod both ends pair
It should be provided with the limiting slot of limit anticreep boom end, the shell is composed of first shell and second shell, described
Limiting slot is in the opening shape for picking and placeing anti-drop rod when first shell is detached with second shell.
By using above-mentioned technical proposal, when first shell is detached with second shell, the limiting slot of anticreep boom end is limited
Also it is in open shape, improves the convenience of gag lever post installation.
The utility model is further arranged to：The anti-falling piece is anti-drop block, and the anti-drop block is fixedly installed on shell
Body is located at the cavity wall of installation cavity, and the side of each extension of the bus-bar installation part is respectively arranged with matches with anti-drop block card
Card slot.
By using above-mentioned technical proposal, as second of embodiment of anti-falling piece, anti-drop block is in breaker from confluence
When being dismantled at row, by, with active force of the bus-bar to bus-bar installation part is offset, bus-bar installation part being made to keep with card slot card
With the assembled state of shell.
The utility model is further arranged to：The shell is equipped with input wires terminal and output wiring terminal, described
Output wiring terminal include the clamping terminal ontology for having grasp opening, the clamping terminal ontology is backwards to grasp opening
Side is connected with connecting pin, and the connecting pin is fixedly connected on the arc striking piece below arc-chutes, the shell
Body is equipped with the terminal groove housed for clamping terminal ontology, except the grasp opening external part pilot trench, the bare terminal end
Sub- ontology includes upper and lower clamping piece, and the clamping piece up and down is correspondingly arranged and is connected up and down by side wall between clamping piece up and down
It is formed, the side wall is located at side of the upper and lower clamping piece towards connecting pin, and the side wall of the clamping terminal ontology is rolled over through U-shaped
Side is connected with connecting pin.
By using above-mentioned technical proposal, in the case where exchanging installation environment, side wall is connected by U-shaped flanging with connecting pin, is had
The function of repelling movable contact spring and current limliting, avoids electric arc from guiding to upper and lower clamping piece, advanced optimizes arc quenching effect.
The utility model is further arranged to：The shell, which is located on the inside of U-shaped flanging, to be provided with for installing arc blow-out magnetic
The mounting groove of iron.
By using above-mentioned technical proposal, when for producing dc circuit breaker, arc blow-out magnet is installed on the mounting groove,
Direct current arc-suppression function is improved, breaker is enable directly to exchange double-purpose, increases the scope of application.
The utility model is further described with reference to the accompanying drawings and detailed description.
Description of the drawings
Fig. 1 is the stereogram of specific embodiment of the present invention one；
Fig. 2 is the internal structure chart of specific embodiment of the present invention one；
Fig. 3 is the enlarged drawing of A in Fig. 2；
Fig. 4 is the stereogram of clamping terminal ontology in specific embodiment of the present invention one；
Fig. 5 is the internal structure chart of specific embodiment of the present invention two；
Fig. 6 is the enlarged drawing of B in Fig. 5.
Specific implementation mode
As shown in Fig. 1-Fig. 6, the utility model discloses a kind of breaker with bus-bar installation part anti-drop function,
Including shell 1, operation handle 2, contact system 3, tripping system 4, dropout driving mechanism 5 and arc-chutes 6 are equipped in shell 1,
It is additionally provided with the bus-bar installation part 7 for being buckled in bus-bar and the installation cavity 11 for installing bus-bar installation part 7 in shell 1, converges
Stream row installation part 7 include be located at installation cavity 11 in bending section 71 and positioned at 71 both sides of bending section and to outside shell 1 extend and with
Bus-bar clamping extension 72, shell 1 be located at installation cavity 11 be provided with prevent bus-bar installation part 7 deviate from installation cavity 11 prevent
De- part, adds anti-falling piece, and bus-bar installation part 7 is avoided to deviate from installation cavity 11, ensures the assembly of bus-bar installation part 7 and shell 1
Stability avoids the breaker to dismounting from generating additional inconvenience.
Anti-falling piece is anti-drop rod 8a, and anti-drop rod 8a passes through each extension 72 of bus-bar installation part 7, the both ends anti-drop rod 8a point
It is not limited in the cavity wall of installation cavity 11, as the first embodiment of anti-falling piece, anti-drop rod 8a is in breaker from bus-bar
When place's dismounting, bus-bar is offset to the active force of bus-bar installation part 7 by the limit power of the cavity wall of itself and installation cavity 11, is made
Bus-bar installation part 7 keeps the assembled state with shell 1.
Shell 1 is located in the cavity wall of installation cavity 11 is correspondingly arranged on the ends limit anti-drop rod 8a with the both ends anti-drop rod 8a respectively
Limiting slot 12, shell 1 is composed of first shell 14 and second shell 15, when first shell 14 is detached with second shell 15
Limiting slot 12 is in the opening shape for picking and placeing anti-drop rod 8a, when first shell 14 is detached with second shell 15, limits the ends anti-drop rod 8a
Limiting slot 12 be also in open shape, improve the convenience of gag lever post installation.
Shell 1 is equipped with input wires terminal and output wiring terminal, and output wiring terminal includes having grasp opening 91
Clamping terminal ontology 9, clamping terminal ontology 9 are connected with connecting pin 92 backwards to the side of grasp opening 91, and connecting pin 92 is solid
Surely it is connected on the arc striking piece 61 of 6 lower section of arc-chutes, shell 1 is equipped with the terminal groove housed for clamping terminal ontology 9
13, except 91 external part pilot trench 13 of grasp opening, the clamping terminal ontology 9 includes upper and lower clamping piece 93, upper and lower clamping piece 93
It is correspondingly arranged and is connected up and down by side wall 94 between clamping piece 93 up and down and formed, side wall 94 is located at upper and lower clamping piece 93 towards even
The side at end 92 is connect, the side wall 94 of clamping terminal ontology 9 is connected through U-shaped flanging 95 with connecting pin 92, in the case where exchanging installation environment,
Side wall 94 is connected by U-shaped flanging 95 with connecting pin 92, has the function of repelling movable contact spring and current limliting, electric arc is avoided to guide to upper and lower
At clamping piece, arc quenching effect is advanced optimized.
Shell 1 is located at the mounting groove 16 being provided on the inside of U-shaped flanging 95 for installing arc blow-out magnet, for producing direct current
When breaker, arc blow-out magnet is installed on the mounting groove 16, direct current arc-suppression function is improved, breaker is enable directly to exchange double-purpose,
Increase the scope of application.
The invention also discloses another embodiment, the other structures all same in addition to anti-falling piece, anti-falling piece is
Anti-drop block 8b, anti-drop block 8b are fixedly installed on the cavity wall that shell 1 is located at installation cavity 11, each extension 72 of bus-bar installation part 7
Side be respectively arranged with the card slot 73 matched with anti-drop block 8b cards, as second of embodiment of anti-falling piece, anti-drop block 8b exists
When breaker is dismantled from bus-bar, by, with bus-bar is offset to the active force of bus-bar installation part 7, making confluence with card slot card
The assembled state of installation part 7 holding and shell 1 is arranged, first shell 14 and second shell 15 are both provided with anti-drop block 8b.
Claims (6)
- Be equipped with 1. a kind of breaker with bus-bar installation part anti-drop function, including shell, in the shell operation handle, Contact system, tripping system, dropout driving mechanism and arc-chutes are additionally provided with the confluence for being buckled in bus-bar in the shell Installation part and the installation cavity for installing bus-bar installation part are arranged, the bus-bar installation part includes curved in installation cavity Pars convoluta and the extension for extending positioned at bending section both sides and to outside shell and being clamped with bus-bar, it is characterised in that：The shell Body is located at installation cavity and is provided with the anti-falling piece for preventing bus-bar installation part abjection installation cavity.
- 2. the breaker according to claim 1 with bus-bar installation part anti-drop function, it is characterised in that：Described is anti- De- part is anti-drop rod, and the anti-drop rod passes through each extension of bus-bar installation part, and the anti-drop rod both ends limit respectively In in the cavity wall of installation cavity.
- 3. the breaker according to claim 2 with bus-bar installation part anti-drop function, it is characterised in that：The shell Body is located at the limiting slot for being correspondingly arranged on limit anticreep boom end in the cavity wall of installation cavity with anti-drop rod both ends respectively, the shell Body is composed of first shell and second shell, and limiting slot is in pick and place anticreep when the first shell is detached with second shell The opening shape of bar.
- 4. the breaker according to claim 1 with bus-bar installation part anti-drop function, it is characterised in that：Described is anti- De- part is anti-drop block, and the anti-drop block is fixedly installed on the cavity wall that shell is located at installation cavity, the bus-bar installation part The side of each extension is respectively arranged with the card slot matched with anti-drop block card.
- 5. the breaker according to claim 1 or 2 or 3 or 4 with bus-bar installation part anti-drop function, feature exist In：The shell is equipped with input wires terminal and output wiring terminal, and the output wiring terminal includes that there is clamping to open The clamping terminal ontology of mouth, the clamping terminal ontology is connected with connecting pin backwards to the side of grasp opening, described Connecting pin is fixedly connected on the arc striking piece below arc-chutes, and the shell is equipped with accommodating for clamping terminal ontology Terminal groove, except the grasp opening external part pilot trench, the clamping terminal ontology includes upper and lower clamping piece, and described is upper Lower clamping piece is correspondingly arranged and connects to be formed by side wall between clamping piece up and down up and down, and the side wall is located at upper and lower clamping piece Towards the side of connecting pin, the side wall of the clamping terminal ontology is connected through U-shaped flanging with connecting pin.
- 6. the breaker according to claim 5 with bus-bar installation part anti-drop function, it is characterised in that：The shell Body is located at the mounting groove being provided on the inside of U-shaped flanging for installing arc blow-out magnet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920961.XU CN207800517U (en) | 2017-12-29 | 2017-12-29 | Breaker with bus-bar installation part anti-drop function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721920961.XU CN207800517U (en) | 2017-12-29 | 2017-12-29 | Breaker with bus-bar installation part anti-drop function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207800517U true CN207800517U (en) | 2018-08-31 |
Family
ID=63278154
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721920961.XU Active CN207800517U (en) | 2017-12-29 | 2017-12-29 | Breaker with bus-bar installation part anti-drop function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207800517U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022809A (en) * | 2017-12-29 | 2018-05-11 | 温州市新蓝天电器有限公司 | Breaker with bus-bar installed part anti-drop function |
-
2017
- 2017-12-29 CN CN201721920961.XU patent/CN207800517U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108022809A (en) * | 2017-12-29 | 2018-05-11 | 温州市新蓝天电器有限公司 | Breaker with bus-bar installed part anti-drop function |
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