CN208077900U - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN208077900U CN208077900U CN201820271896.0U CN201820271896U CN208077900U CN 208077900 U CN208077900 U CN 208077900U CN 201820271896 U CN201820271896 U CN 201820271896U CN 208077900 U CN208077900 U CN 208077900U
- Authority
- CN
- China
- Prior art keywords
- electric leakage
- earth leakage
- protective portion
- bird
- leakage protective
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of breakers; it is related to a kind of protection equipment; its drip irrigation device includes shell; include having air switch portion and earth leakage protective portion in shell; demarcation strip is equipped between air switch portion and earth leakage protective portion, air switch portion includes the first terminals, handle and mechanical caging handle apparatus for being connected on firewire；Mechanical caging handle apparatus includes the first moving contact and rotating member; rotating member includes the first rotation section; perforation is provided on demarcation strip; integrally being generated on first rotation section has across perforating and enter to the convex block in earth leakage protective portion; bird holder is rotatably connected in earth leakage protective portion; one end of bird holder is provided with the insertion hole being inserted into for convex block; the other end of bird holder is fixed with the second moving contact, and earth leakage protective portion further includes having the second static contact coordinated with the second moving contact and the second terminals for being connected on zero curve.In disconnecting circuit, firewire and zero curve simultaneously switch off the utility model, improve safety.
Description
Technical field
The utility model is related to a kind of protection equipment, and more specifically it is related to a kind of breaker.
Background technology
Leakage circuit breakers is that equipment is commonly protected in electric wiring, has overload, short circuit and creepage protection function.Work as people
When electric shock or power grid Leakage Current are more than preset value, leakage circuit breakers cuts off rapidly circuit within the extreme time, to protect
The safety of the shield person and circuit arrangement.However the earth leakage protective device of the prior art has many unsatisfactory places.
As shown in Figure 1 and Figure 2, the partial structural diagram of the inside of a kind of air switch of model DZ47-60, including
There are outer housing 1, handle 5, mechanical caging handle apparatus 10 and two the first terminals 6, when handle 5 is beaten to the right, two
Access between one terminals 6, mechanical caging handle apparatus 10 include the rotating member 14 for being rotationally connected with outer housing 1, rotating member
14 include the first rotation section 35 and the second rotation section 36.Fig. 1 is the state that handle 5 is beaten to the left（The state as beaten downwards）,
It is breaking between two the first terminals 6 at this time；Fig. 2 is the state that handle 5 is beaten to the right（The state as beaten upwards）, at this time
Access between two the first terminals 6.When handle 5 is beaten from left to right, the first rotation section 35 is rotated to towards lower right.Existing skill
In art, air switch and earth leakage circuit-breaker are combined, the comprehensive breaker of composition function, as Authorization Notice No. is
A Chinese patent document of CN205004275U, discloses a kind of leakage circuit breakers, is capable of providing the two poles of the earth overcurrent protection, leakage
Each component of electrical circuit breakers is integrally integrated into shell 1, simple in structure, can ensure to provide the two poles of the earth overcurrent protection
Simultaneously effective reduce the size of leakage circuit breakers.
But this breaker, as conventional breaker, when short circuit occurs for circuit, breaker is only to firewire
It turns off, zero curve does not turn off, therefore user of service is accessing firewire and when zero curve must distinguish between clear, but always has use
Because the reasons such as carelessness cause firewire and zero curve reversed, lead to the generation of accident.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of breakers, in disconnecting circuit
When, firewire and zero curve simultaneously switch off, and improve safety.
To achieve the above object, the utility model provides following technical solution：A kind of breaker, including shell, it is described
Include having air switch portion and earth leakage protective portion in shell, demarcation strip be equipped between the air switch portion and earth leakage protective portion,
The air switch portion includes the first terminals, handle and mechanical caging handle apparatus for being connected on firewire；Institute
It includes the first moving contact and rotating member to state mechanical caging handle apparatus, and the rotating member includes the first rotation section, described point
It is provided with perforation on partition board, integrally being generated on first rotation section has across perforating and enter to the convex block in earth leakage protective portion,
Bird holder is rotatably connected in the earth leakage protective portion, one end of the bird holder is provided with the insertion hole being inserted into for convex block, described
The other end of bird holder is fixed with the second moving contact, the earth leakage protective portion further include have coordinate with the second moving contact it is second quiet
Contact and the second terminals for being connected on zero curve.
By using above-mentioned technical proposal, when handle is beaten upwards, two the first terminals accesses, while the first rotation section
It rotates and bird holder pivots is made by convex block, fixed second moving contact and the second stationary contact in earth leakage protective portion on bird holder
Head contact, two the second terminals accesses, when there is short circuit, electric leakage, overheat, handle is beaten downwards, and the rotation of the first rotation section makes
Bird holder pivots are obtained, so that the second moving contact is detached with the second static contact, to realize that firewire and zero curve disconnect,
There is no need to distinguish firewire and zero curve to access to the first terminals or the second terminals, safety is improved.
The utility model is further arranged to：Integrally formed with the support contacted with bird holder on the leaning to one side of the convex block
The end face in portion, the support portion towards bird holder is parallel to the one side that the demarcation strip is contacted with bird holder.
By using above-mentioned technical proposal, after convex block is inserted into bird holder, support portion is contacted with bird holder so that convex block drives
More stablize when bird holder pivots.
The utility model is further arranged to：Electric leakage instruction mouth, the electric leakage are provided on the shell in the earth leakage protective portion
Be equipped with leakage tripping device in protection portion, the leakage tripping device includes fixed frame, be slidedly arranged on the metallic rod of fixed frame and with
The sliding bar that metallic rod is slidably connected, the earth leakage protective portion are also slidably equipped with electric leakage indicating piece, and the electric leakage indicating piece is equipped with
Instruction unit, integrally generating on the electric leakage indicating piece has extension between sliding bar and fixed frame, when earth leakage protective portion
Interior when leaking electricity, the sliding bar is mobile simultaneously so that electric leakage indicating piece movement, so that instruction unit is moved to electric leakage instruction
At mouthful.
By using above-mentioned technical proposal, when leaky occurs for breaker, leakage tripping device work, metallic rod drives
Sliding bar moves, so that electric leakage indicating piece movement, so that instruction unit is moved at electric leakage instruction mouth, playing prompting makes
With personnel, the breaker leaks electricity.
The utility model is further arranged to：Ejector spring, one end of the ejector spring are arranged in the metallic rod
It is fixed with fixed frame, the other end of the ejector spring is abutted with sliding bar.
By using above-mentioned technical proposal, ejector spring makes sliding bar in its natural state far from fixed frame, avoids sliding
Electric leakage indicating piece movement is slided in metallic rod and driven to lever, excludes the case where electric leakage indicating piece carries out error message prompt.
The utility model is further arranged to：Integrally being generated on the electric leakage indicating piece has guide end, on the demarcation strip
Equipped with the limiting slot for placing guide end.
By using above-mentioned technical proposal, the moving direction of the electric leakage indicating piece of the setting limitation of limiting slot and guide end,
So that electric leakage indicating piece is more stablized when moving.
The utility model is further arranged to：Integrally being generated on the electric leakage indicating piece has nose bar, is arranged on the nose bar
There are second spring, the other end and the demarcation strip of the second spring to fix.
By using above-mentioned technical proposal, the setting of second spring makes the instruction unit on electric leakage indicating piece in nature
When with electric leakage instruction mouth dislocation, exclude electric leakage indicating piece carry out error message prompt the case where.
The utility model is further arranged to：Integrally being generated on the bird holder has bird head, one on the electric leakage indicating piece
Body generates the stopper for having and being abutted with bird head.
By using above-mentioned technical proposal, when breaker leaks electricity, electric leakage indicating piece move, stopper with
It leaks electricity indicating piece movement, while bird holder pivots, bird head abuts to limit the indicating piece that leaks electricity with stopper and returns back to nature shape
State reinforces stability of the electric leakage indicating piece when carrying out electric leakage prompt.
The utility model is further arranged to：The handle includes set square, and the set square is equipped with skid resistance strip.
By using above-mentioned technical proposal, the degree of roughness of handle surfaces is increased, frictional force is increased, is convenient for user
Handle is operated.
In conclusion the utility model is in the cooperation by convex block and bird holder so that first in air switch portion connects
Line end and access or the open circuit simultaneously of second terminals in earth leakage protective portion, user is when peace turns the breaker without distinguishing fire
Which group terminals line should access, not related firewire is linked into the second terminals, improve safety.
Description of the drawings
Partial structural diagram when Fig. 1 is two the first terminals open circuits of air switch in the prior art；
Partial structural diagram when Fig. 2 is two the first terminals accesses of air switch in the prior art；
Fig. 3 is the overall structure diagram of the utility model；
Fig. 4 is the partial structural diagram in the air switch portion in the utility model；
Fig. 5 is the partial structural diagram for hiding in the earth leakage protective portion in the utility model after leakage tripping device；
Fig. 6 is the enlarged diagram at the A in Fig. 5；
Fig. 7 is the partial structural diagram in the earth leakage protective portion in the utility model.
Reference sign：1, shell；2, demarcation strip；3, air switch portion；4, earth leakage protective portion；5, handle；6, first
Terminals；7, the second terminals；8, thrermostatic bimetal-plate；9, magnetictrip；10, mechanical caging handle apparatus；11, fire extinguishing arc；
12, the first moving contact；13, the first static contact；14, rotating member；15, fitting；16, it perforates；17, convex block；18, bird holder；19,
Second moving contact；20, the second static contact；21, set square；22, control circuit board；23, leakage tripping device；24, leak electricity indicating piece；
25, fixed frame；26, hauling-eye；27, metallic rod；28, sliding bar；29, limited block；30, ejector spring；31, spacing board；32,
Extension；33, instruction unit；34, electric leakage instruction mouth；35, the first rotation section；36, the second rotation section；37, support portion；38, it is inserted into
Hole；39, guide end；40, limiting slot；41, nose bar；42, second spring；43, bird head；44, stopper；45, mouth is placed；46, prevent
Draw runner line.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Present embodiment discloses a kind of breakers, as shown in figure 3, including shell 1, demarcation strip 2 is equipped in shell 1, point
The left side of partition board 2 is air switch portion 3, and the right side of demarcation strip 2 is earth leakage protective portion 4.Air switch portion 3 includes to be articulated with shell
The handle 5 of body 1, the both sides up and down of shell 1 are equipped with the first terminals 6 for accessing firewire.Earth leakage protective portion 4 includes parallel
In two the first terminals 6 and for accessing the second terminals 7 of zero curve.The breaker is the state that handle 5 is beaten upwards, this
When short-circuiting device in air switch portion 3 in two the first terminals 6 conducting.
As shown in figure 4, air switch portion 3 includes to be connect with the first terminals 6 and for the thermo bimetal of overload protection
Piece 8, thrermostatic bimetal-plate 8 are connected with the magnetictrip 9 for short-circuit protection, further include having the mechanical caging for being controlled by handle 5
Handle apparatus 10 and arc 11 of putting out a fire, are fixed with the first moving contact 12 on mechanical caging handle apparatus 10, first are fixed in shell 1
Static contact 13, when handle 5 is flipped up, the first moving contact 12 is abutted with the first static contact 13, two in air switch portion 3
Access between one terminals 6.
As shown in figure 4, mechanical caging handle apparatus 10 includes the rotation that shell 1 is linked and be rotationally connected with handle 5
Part 14, rotating member 14 include the first rotation section 35 and the second rotation section 36.The side of rotating member 14 is provided with to be rotated with shell 1
The fitting 15 of connection.
As shown in Figure 5, Figure 6, perforation 16 is provided on demarcation strip 2, integrally being generated on rotating member 14 has across perforation 16 to leakage
Convex block 17 in electric protection portion 4, and the convex block 17 is in a circular table shape, integrally formed with the branch for being inserted into perforation 16 on the leaning to one side of convex block 17
Support part 37.
As shown in Figure 5, Figure 6, earth leakage protective portion 4 includes the bird holder 18 hinged with demarcation strip 2, one end of bird holder 18
It is fixed with the insertion hole 38 being inserted into for convex block 17, and the cross-sectional diameter of convex block 17 is equal to the aperture for being inserted into hole 38, bird holder 18
Contacted with support portion 37, support portion 37 towards bird holder 18 be parallel to demarcation strip 2 towards bird holder 18 while, favorably
In the stabilization of bird holder 18.The other end of bird holder 18 is fixed with the second moving contact 19, and the side of the second moving contact 19 is provided with
The second static contact 20 for being fixed on shell 1 and being abutted with one of them second terminals 7.
As shown in Figure 4, Figure 5, when handle 5 downward when, the first moving contact 12 and the first static contact 13 in air switch portion 3
Separation, when handle 5 is beaten from the bottom up, mechanical caging handle apparatus 10 moves, and rotating member 14 rotates, the convex block on rotating member 14
17 rotate and bird holder 18 are rotated to the right, and bird holder 18 rotates and makes the second moving contact 19 and the second static contact 20
It abuts, two 7 accesses of the second terminals in earth leakage protective portion 4 at this time.
As shown in fig. 7, earth leakage protective portion 4 further includes having control circuit board 22, leakage tripping device 23 and electric leakage indicating piece 24,
Leakage tripping device 23 includes fixed frame 25, and hauling-eye 26 is wound on fixed frame 25, metallic rod is slidably equipped in fixed frame 25
27, it is arranged with sliding bar 28 in metallic rod 27, one end far from fixed frame 25, which integrally generates, in metallic rod 27 is useful for preventing sliding
Lever 28 skids off the limited block 29 of metallic rod 27, and the top between sliding bar 28 and fixed frame 25 is also arranged on sliding bar 28
Go out spring 30, one end of the ejector spring 30 is abutted with fixed frame 25, and the other end of ejector spring 30 is abutted with sliding bar 28, top
Go out the setting of spring 30 so that sliding bar 28 is in the distalmost end far from fixed frame 25.
As shown in Fig. 4, Fig. 7, second opening in connection air switch portion 3, one end of sliding bar 28 are provided on spacing board 31
In the second opening to air switch portion 3 and it is located at 15 side of fitting, when earth leakage protective portion 4 detects that circuit leaks electricity
When phenomenon, metallic rod 27 is moved by magnetic force into fixed frame 25, and sliding bar 28 moves and oppresses the rotation of fitting 15, to make
It obtains rotating member 14 to rotate, the first moving contact 12 and the separation of the first static contact 13, meanwhile, the convex block 17 on rotating member 14 rotates, bird
Holder 18 rotates, the second moving contact 19 and the separation of the second static contact 20.
As shown in fig. 7,24 one of electric leakage indicating piece generates the extension 32 having between sliding bar 28 and fixed frame 25,
It is coated with instruction unit 33 on electric leakage indicating piece 24, electric leakage instruction mouth 34 is provided on shell 1, when sliding bar 28 is slided close to fixed frame 25
When, sliding bar 28 abuts with extension 32 and electric leakage indicating piece 24 is moved, the alignment of instruction unit 33 leakage on the indicating piece 24 that leaks electricity
Electricity instruction mouth 34, plays warning effect.
As shown in Figure 6, Figure 7, integrally being generated on electric leakage indicating piece 24 has guide end 39, is provided on demarcation strip 2 for placing
The moving direction of the electric leakage indicating piece 24 of the setting limitation of the limiting slot 40 of guide end 39, limiting slot 40 and guide end 39 so that
The indicating piece 24 that leaks electricity more is stablized when moving.24 bottom of electric leakage indicating piece, which integrally generates, nose bar 41, is arranged on nose bar 41
The other end of second spring 42, second spring 42 is abutted with demarcation strip 2, and the setting of second spring 42 to leak electricity on indicating piece 24
Instruction unit 33 in nature with electric leakage instruction mouth 34 misplace, exclude electric leakage indicating piece 24 carry out error message prompt feelings
Condition.Integrally being generated on bird holder 18 has bird head 43, and the bottom for the indicating piece 24 that leaks electricity integrally generates the resistance having positioned at 41 left side of nose bar
Block 44 is provided with the placement mouth 45 corresponding to bird head 43, when normal operation of circuit breaker, bird branch between stopper 44 and nose bar 41
Frame 18 rotates, and bird head 43, which is inserted into place mouth 45 or produce, places mouth 45；When breaker leaks electricity, electric leakage indicating piece 24 to
Right generation is mobile so that instruction unit 33 is moved at electric leakage instruction mouth 34, and stopper 44 moves right with electric leakage indicating piece 24
It is dynamic, while bird holder 18 rotates, the second moving contact 19 on bird holder 18 divides with the second static contact 20 in earth leakage protective portion 4
From, bird head 43 as bird holder 18 rotates and bird head 43 is abutted with the left side of stopper 44 to limit the indicating piece 24 that leaks electricity to moving to left
Nature is moved and returned back to, stability of the electric leakage indicating piece 24 when carrying out electric leakage prompt is reinforced.
As shown in figure 3, handle 5 includes set square 21, integrally formed with skid resistance strip 46 on the surface of set square 21, increase
The big degree of roughness on 5 surface of handle, increases frictional force, is operated to handle 5 convenient for user.
Specific works are as follows：
Two the first terminals 6 are connected serially on firewire, and two the second terminals 7 are connected serially on zero curve, when appearance short circuit, leakage
When electricity and superheating phenomenon, rotating member 14 can rotate so that the first moving contact 12 is detached with the first static contact 13, is turned simultaneously
Convex block 17 on moving part 14 rotates, and convex block 17 drives bird holder 18 to rotate, the second moving contact 19 on bird holder 18 be fixed on
The second static contact 20 separation in shell 1, completion simultaneously switch off Live line Zero line.The breaker realizes air switch portion and leakage
Access or open circuit while electric protection portion.User of service is when accessing the breaker, even if firewire is accessed the second terminals
7, it is still safe when in use, improve safety.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all in this practicality
Within novel design concept, any modification, equivalent replacement, improvement and so on should be included in the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of breaker, including shell (1), the interior shell (1) includes having air switch portion (3) and earth leakage protective portion (4),
It is characterized in that：Demarcation strip (2), the air switch portion are equipped between the air switch portion (3) and earth leakage protective portion (4)
(3) include the first terminals (6), handle (5) and mechanical caging handle apparatus for being connected on firewire（10）；It is described
Mechanical caging handle apparatus（10）Include the first moving contact (12) and rotating member (14), the rotating member (14) includes first
Rotation section (35) is provided with perforation (16) on the demarcation strip (2), and integrally being generated on first rotation section (35) has across perforation
(16) and the convex block (17) in earth leakage protective portion (4) is entered to, bird holder is rotatably connected in the earth leakage protective portion (4)
(18), one end of the bird holder (18) is provided with the insertion hole (38) being inserted into for convex block (17), the bird holder (18) it is another
End is fixed with the second moving contact (19), the earth leakage protective portion (4) further include have coordinate with the second moving contact (19) it is second quiet
Contact (20) and the second terminals (7) for being connected on zero curve.
2. a kind of breaker according to claim 1, it is characterised in that：On the leaning to one side of the convex block (17) integrally formed with
The end face of the support portion (37) contacted with bird holder (18), support portion (37) towards the bird holder (18) is parallel to the separation
The one side that plate (2) is contacted with bird holder (18).
3. a kind of breaker according to claim 2, it is characterised in that：It is provided on the shell of the earth leakage protective portion (4)
Electric leakage instruction mouth (34), the earth leakage protective portion (4) is interior to be equipped with leakage tripping device (23), and the leakage tripping device (23) includes
Fixed frame (25), the metallic rod (27) for being slidedly arranged on fixed frame (25) and the sliding bar (28) being slidably connected with metallic rod (27),
The earth leakage protective portion (4) is also slidably equipped with electric leakage indicating piece (24), and the electric leakage indicating piece (24) is equipped with instruction unit (33), institute
The extension (32) for integrally generating and having between sliding bar (28) and fixed frame (25) on electric leakage indicating piece (24) is stated, electric leakage is worked as
When leaking electricity in protection portion (4), the sliding bar (28) is mobile and so that electric leakage indicating piece (24) is mobile, so that instruction
Portion (33) is moved at electric leakage instruction mouth (34).
4. a kind of breaker according to claim 3, it is characterised in that：It is arranged with ejector spring on the metallic rod (27)
(30), one end of the ejector spring (30) and fixed frame (25) are fixed, the other end and sliding bar of the ejector spring (30)
(28) it abuts.
5. a kind of breaker according to claim 4, it is characterised in that：Integrally being generated on the electric leakage indicating piece (24) has
Guide end (39), the demarcation strip (2) are equipped with the limiting slot (40) for placing guide end (39).
6. a kind of breaker according to claim 5, it is characterised in that：Integrally being generated on the electric leakage indicating piece (24) has
Nose bar (41) is arranged with second spring (42), the other end and demarcation strip of the second spring (42) on the nose bar (41)（2）
It is fixed.
7. a kind of breaker according to claim 6, it is characterised in that：Integrally being generated on the bird holder (18) has bird head
(43), the stopper (44) for having and being abutted with bird head (43) is integrally generated on the electric leakage indicating piece (24).
8. a kind of breaker according to claim 7, it is characterised in that：The handle (5) includes set square (21), institute
It states set square (21) and is equipped with skid resistance strip (46).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271896.0U CN208077900U (en) | 2018-02-26 | 2018-02-26 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820271896.0U CN208077900U (en) | 2018-02-26 | 2018-02-26 | A kind of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208077900U true CN208077900U (en) | 2018-11-09 |
Family
ID=64038163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820271896.0U Expired - Fee Related CN208077900U (en) | 2018-02-26 | 2018-02-26 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208077900U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767508A (en) * | 2019-04-16 | 2020-02-07 | 天津加美特电气设备有限公司 | N-pole circuit breaker without arc extinguishing device |
-
2018
- 2018-02-26 CN CN201820271896.0U patent/CN208077900U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110767508A (en) * | 2019-04-16 | 2020-02-07 | 天津加美特电气设备有限公司 | N-pole circuit breaker without arc extinguishing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 Termination date: 20190226 |