CN108242373A - A kind of breaker - Google Patents
A kind of breaker Download PDFInfo
- Publication number
- CN108242373A CN108242373A CN201810161096.8A CN201810161096A CN108242373A CN 108242373 A CN108242373 A CN 108242373A CN 201810161096 A CN201810161096 A CN 201810161096A CN 108242373 A CN108242373 A CN 108242373A
- Authority
- CN
- China
- Prior art keywords
- contact
- contact surface
- rotating shaft
- shaft
- breaker
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
- H01H73/02—Details
- H01H73/04—Contacts
Landscapes
- Breakers (AREA)
Abstract
The present invention provides a kind of breakers, including the first contact (1), second contact (2) and first rotating shaft (4), first contact (1) can be moved using the axis of first rotating shaft (4) as shaft rotation, first contact (1) is equipped with the first contact surface (12), second contact (2) is equipped with the second contact surface (21), during the second contact surface (21) of the second contact (2) is close towards the first contact surface (12), second contact (2) can drive the first contact (1) to rotate and the second contact surface (21) is made to be matched with the first contact surface (12) and be bonded.Static contact is also configured as to rotate by the breaker, so as to which the contact surface for alloing static contact adaptively adjusts the angle, it is ensured that the contact surface of moving contact matches reliable connection with the realization of the contact surface of static contact.
Description
Technical field
The present invention relates to low voltage switch apparatus field, a kind of particularly breaker.
Background technology
The dynamic and static contact of miniature circuit breaker currently on the market is mostly to be rigidly connected, and static contact is completely fixed, by moving contact
Realize the open and close operation of breaker with the movement or rotation of operating mechanism, and moving contact contact surface is a whole face, exist with
Lower shortcoming.
Static contact is completely fixed, and in making process, when moving contact is contacted with static contact, contact point can position completely,
If moving contact or static contact part existing defects, the contact surface of moving contact can not completely match patch with the contact surface of static contact
It closes, may cause to contact insecure risk, the performances such as the Wen Sheng of product, disjunction, electrical endurance are impacted.
Invention content
It is bonded in order to which the contact surface for solving the problems, such as moving contact in existing breaker can not be matched with the contact surface of static contact.
The present invention provides a kind of breaker, which is also configured as to rotate by static contact, so as to make the contact surface of static contact
It can adaptively adjust the angle, it is ensured that the contact surface of moving contact matches reliable connection with the realization of the contact surface of static contact.
The technical solution adopted by the present invention to solve the technical problems is：A kind of breaker is touched including the first contact, second
Head and first rotating shaft, the first contact can be moved using the axis of first rotating shaft as shaft rotation, and the first contact is equipped with the first contact surface, the
Two contacts are equipped with the second contact surface, during the second contact surface of the second contact is close towards the first contact surface, second
Contact can drive the first contact to rotate and the second contact surface is made to be matched with the first contact surface and be bonded.
During the second contact surface of the second contact is close towards the first contact surface, the second contact can pass through second
Part driving the first contact rotation of a part the first contact surface of pressing of contact surface.
First contact surface and the second contact surface are plane, and the axis of first rotating shaft is parallel to the first contact surface, and first connects
Contacting surface is between first rotating shaft and the second contact surface.
First contact contains contact supporting, and contact supporting is concave shape structure, and contact supporting contains sequentially connected front side
Plate, intermediate plate and back side panel, first rotating shaft and front side board and back side panel grafting.
First rotating shaft is located at the inside of intermediate plate, and the outer surface of intermediate plate is equipped with the first contact site of oblate column, should
One end of first contact site is connect with intermediate plate, end face of first contact surface for the other end of first contact site.
The breaker further includes the torsional spring that restoring force can be provided to the first contact, and torsion spring set is set on outside first rotating shaft, is turned round
Spring is between front side board and back side panel.
The breaker further includes conductive carrier and wire connection terminal, and conductive carrier can be bent or stretch, front side board or rear side
Plate is connected with connecting plate, and one end and the connecting plate of conductive carrier weld, and the other end of conductive carrier is electrically connected with wire connection terminal.
The breaker further includes housing, and the first contact, the second contact and first rotating shaft are respectively positioned in housing, and first rotating shaft is in
Horizontality, the top of the first contact are equipped with the first limit protrusion of the first contact rotational angle of limitation, the lower section of the first contact
The second limit protrusion equipped with the first contact rotational angle of limitation.
The breaker further includes the second shaft, and the axis of the second shaft is parallel with the axis of first rotating shaft, on the second contact
Equipped with arc groove in towards the surface of the first contact side, arc groove is between the second contact surface and the second shaft, and the
Two contacts can be moved using the axis of the second shaft as shaft rotation, and the second contact surface for making the second contact is close towards the first contact surface.
Second shaft is horizontal, and the second shaft is located at the top of the second contact surface, and bar shaped is equipped in the second contact surface
Groove, strip groove run through the second contact surface, and strip groove opens up that direction is identical with the axis direction of the second shaft, and bar shaped is recessed
Second contact surface is separated to form two parts by slot, which is respectively contact surface and second time contact surface on second, on second
Arc transition side is equipped between contact surface and arc groove.When the second contact surface of the second contact is close towards the first contact surface
In the process, the arc transition side of the second contact can drive the first contact to rotate, and make second by pressing the first contact surface
Contact surface and second time contact surface are bonded with the matching of the first contact surface on the second of contact surface.
The beneficial effects of the invention are as follows：
1st, bad exposure risk caused by avoiding moving contact or static contact part existing defects, reducing part process will
It asks.
2nd, double contact is closer than traditional single-contact, reduces contact resistance, effectively controls product Wen Sheng.
3. dynamic and static contact has cushioning effect when disconnecting, effectively electric arc can be inhibited to generate.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation do not constitute improper limitations of the present invention for explaining the present invention.
Fig. 1 is the front view of the breaker shown in the present invention.
Fig. 2 is the stereoscopic schematic diagram of the breaker shown in the present invention.
Fig. 3 is the structure diagram of the second contact.
Fig. 4 is the structure diagram of the first contact.
Fig. 5 is the schematic diagram at torsional spring position.
1st, the first contact；2nd, the second contact；3rd, housing；4th, first rotating shaft；5th, conductive carrier；6th, wire connection terminal；7th, second
Shaft；
11st, contact supporting；12nd, the first contact surface；13rd, front side board；14th, intermediate plate；15th, back side panel；16th, connecting plate；17、
Torsional spring；
21st, the second contact surface；22nd, strip groove；23rd, arc groove；
31st, the first limit protrusion；32nd, the second limit protrusion；
111st, through-hole；112nd, through-hole；131st, solder joint；
201st, contact surface on second；202nd, second time contact surface；203rd, arc transition side.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
A kind of breaker, including the first contact 1, the second contact 2 and first rotating shaft 4, the first contact 1 can be with first rotating shaft
4 axis is moved for shaft rotation, and the first contact 1 is equipped with the first contact surface 12, and the second contact 2 is equipped with the second contact surface 21, when the
For second contact surface 21 of two contacts 2 towards the first contact surface 12 during, the second contact 2 can drive the first contact 1
It rotates and the second contact surface 21 is made to be matched with the first contact surface 12 and be bonded, as depicted in figs. 1 and 2.
First contact 1 is equivalent to static contact, and the second contact 2 is equivalent to moving contact, 21 court of the second contact surface of the second contact 2
To the first contact surface 12 the second contact 2 is made to rotate, move or rotate and moves the mode that is combined close to may be used, when second
For second contact surface 21 of contact 2 towards the first contact surface 12 during, the second contact 2 can pass through the second contact surface 21
Edge or a part pressing the first contact surface 12 edge or a part mode the first contact 1 is driven to rotate, and make second
The matching of contact surface 21 and the first contact surface 12 is bonded (i.e. the second contact surface 21 and the first contact surface 12 completely attach to), so as to make the
First contact surface 12 of one contact 1 realizes that matching is reliably connect with the second contact surface 21 of the second contact 2.
In the present embodiment, the first contact surface 12 and the second contact surface 21 allow for realizing that complete face contacts, and first
12 and second contact surface 21 of contact surface must match, and the first contact surface 12 and the second contact surface 21 can be plane, and first
12 and second contact surface 21 of contact surface can also be curved surface.It is preferred that the first contact surface 12 and the second contact surface 21 are plane,
The axis of first rotating shaft 4 is parallel to the first contact surface 12, and the axis of first rotating shaft 4 is parallel to the second contact surface 21, the first contact
Face 12 is located between 4 and second contact surface 21 of first rotating shaft.
In the present embodiment, the first contact 1 contain contact supporting 11, contact supporting 11 be concave shape structure, contact supporting
11 contain sequentially connected front side board 13, intermediate plate 14 and back side panel 15, are equipped with what is be inserted into for first rotating shaft 4 in front side board 13
Through-hole 111, back side panel 15 is interior to be equipped with the through-hole 112 being inserted into for first rotating shaft 4, first rotating shaft 4 and front side board 13 and back side panel
15 grafting.First rotating shaft 4 is located at the inside of intermediate plate 14, and the outer surface of intermediate plate 14 is equipped with the first contact of oblate column
Portion, the central axis of first contact site is in intermediate plate 14, and one end of first contact site is connect with intermediate plate 14, and first connects
End face of the contacting surface 12 for the other end of first contact site, as shown in Figure 2 and Figure 4.
In the present embodiment, which further includes the torsional spring 17 that restoring force can be provided to the first contact 1,17 sets of torsional spring
Outside first rotating shaft 4, torsional spring 17 is between front side board 13 and back side panel 15, as shown in Figure 5.The breaker further includes housing
3, torsional spring 17, the first contact 1, the second contact 2 and first rotating shaft 4 are respectively positioned in housing 3, and one end and the intermediate plate 14 of torsional spring 17 support
It connects, the other end of torsional spring 17 can connect fixation with housing 3.Torsional spring 17 is less than second to the restoring force that the first contact 1 provides and touches
The pressure of first 2 pair of first contact 1 can make the second contact 2 that the first contact 1 be driven to rotate and make 12 He of the first contact surface in this way
Second contact surface 21 realizes matched face contact.Torsional spring 17 can play cushioning effect when dynamic and static contact disconnects, and can effectively press down
Electric arc processed generates.
In the present embodiment, which further includes conductive carrier 5 and wire connection terminal 6, conductive carrier 5 and wire connection terminal 6
Be respectively positioned in housing 3, conductive carrier 5 is flexible conductive cable, and conductive carrier 5 can be bent or stretch, front side board 13 or after
Side plate 15 is connected with connecting plate 16, contains one or more solder joints 131, one end of conductive carrier 5 and connecting plate on connecting plate 16
16 welding, will not impact the rotation of the first contact 1 after welding, the other end and the wire connection terminal 6 of conductive carrier 5 are electrically connected
It connects, as shown in Figure 2 and Figure 4.
In the present embodiment, first rotating shaft 4 is horizontal, and the first contact surface 12 is approximately towards right side, the second contact surface
21 are approximately towards left side, and the second contact 2 is located at the upper right side of the first contact 1, as depicted in figs. 1 and 2.The top of first contact 1
The first limit protrusion 31 equipped with limitation 1 rotational angle of the first contact, the lower section of the first contact 1 are equipped with 1 turn of the first contact of limitation
Second limit protrusion 32 of dynamic angle.First limit protrusion 31 and the second limit protrusion 32 are sheet, the first limit protrusion 31
It can will be in the range of present 0 °~45 ° of the rotational angle of the first contact 1 with the second limit protrusion 32.
In the present embodiment, by the way of the second contact 2 is rotated, make the second contact surface 21 of the second contact 2 towards
One contact surface 12 is close.I.e. the breaker further includes the second shaft 7, and the second contact 2 can be using the axis of the second shaft 7 as shaft rotation
Dynamic, the axis of the second shaft 7 is parallel with the axis of first rotating shaft 4, and the second shaft 7 is located at the top of first rotating shaft 4, the second contact
2 inclined strip structures, the lower end of the second contact 2 is the second contact site, second contact site the first contact of direction, 1 side
Surface is the second contact surface 21, towards equipped with arc groove 23, arc is recessed in the surface of 1 side of the first contact on the second contact 2
Slot 23 is between the second contact surface 21 and the second shaft 7, as shown in Figures 2 and 3.
In the present embodiment, the second shaft 7 is horizontal, and the second shaft 7 is located at the top of the second contact surface 21, and second
Be equipped with strip groove 22 in contact surface 21, strip groove 22 runs through second contact surface 21, strip groove 22 open up direction with
The axis direction of second shaft 7 is identical, and the second contact surface 21 is separated to form the roughly the same two parts of area by strip groove 22,
The two parts are respectively contact surface 201 and second time contact surface 202 on second, contact surface 201 and second time contact surface on second
202 be generally aligned in the same plane in, on second between contact surface 201 and arc groove 23 be equipped with arc transition side 203.When the second contact
2 the second contact surface 21 towards the first contact surface 12 during, the second contact 2 second on 201 edge of contact surface
EDGE CONTACT of the arc transition side 203 first with the first contact surface 12, arc transition side 203 can be by pressing the first contact surface
12 edge drives the first contact 1 to be rotate in same direction with the second contact 2, and make the second contact surface 21 second on 201 He of contact surface
Second time contact surface 202 is bonded with the matching of the first contact surface 12.
Compared with prior art, the present invention using the rotary mode of static contact, moving contact or static contact can be avoided
Bad exposure risk caused by part existing defects, reduces part process requirement.The two plane type contact of second contact surface 21 is set
Meter is closer than traditional single-contact, reduces contact resistance, effectively controls product Wen Sheng.
The course of work of the breaker is described in detail below.
As depicted in figs. 1 and 2, the second contact 2 is located at the extreme position of the off-state of the breaker, when the needs open circuit
When device is converted to closed state, the second contact 2 is rotated clockwise with the second shaft 7 for axis, the second contact surface 21 of the second contact 2
The first contact surface 12 towards the first contact 1 is close.Then, on second the arc transition side 203 at 201 edge of contact surface first with the
The EDGE CONTACT of one contact surface 12, arc transition side 203 can drive the first contact 1 by pressing the edge of the first contact surface 12
Rotated clockwise simultaneously with the second contact 2, and make the second contact surface 21 second on contact surface 201 and second time contact surface 202
It is bonded with the matching of the first contact surface 12, the first contact 1 cannot be further continued for rotating with the second contact 2, at this time at the breaker
In closed state.In the process, the rotational angle of the first contact 1 is more than the rotational angle of the second contact 2, the first contact 1
Rotation amplitude is less than the rotation amplitude of the second contact 2.
Absolute positional relation is employed for the ease of understanding and describing, in the present invention to be stated, the noun of locality therein
" on " represent Fig. 1 in upper side direction, " under " represent Fig. 1 in downside direction, " left side " expression Fig. 1 in left direction, " right side "
Represent the right direction in Fig. 1, " preceding " paper represented perpendicular to Fig. 1 is simultaneously directed toward the direction on the outside of paper, " rear " to represent vertical
In Fig. 1 paper and be directed toward the direction on the inside of paper, it can be understood as present invention uses read the present invention reader observation
Visual angle.But the above-mentioned noun of locality is not understood that or is not construed as limiting the scope of the present invention.
The above, only specific embodiments of the present invention, it is impossible to the range that its restriction invention is implemented, so it is equivalent
The displacement of component or the equivalent variations made according to scope of patent protection of the present invention and modification, should all still fall within what this patent was covered
Scope.In addition, between technical characteristic and technical characteristic in the present invention, between technical characteristic and technical solution, technical solution with
Use can be freely combined between technical solution.
Claims (10)
1. a kind of breaker, which is characterized in that the breaker includes the first contact (1), the second contact (2) and first rotating shaft (4),
First contact (1) can be moved using the axis of first rotating shaft (4) as shaft rotation, and the first contact (1) is equipped with the first contact surface (12), the
Two contacts (2) are equipped with the second contact surface (21), when the second contact surface (21) the first contact surface of direction (12) of the second contact (2)
In close process, the second contact (2) can drive the first contact (1) to rotate and make the second contact surface (21) and the first contact surface
(12) matching fitting.
2. breaker according to claim 1, which is characterized in that when the second contact surface (21) direction of the second contact (2)
For first contact surface (12) during, the second contact (2) can pass through the part pressing first of the second contact surface (21)
A part the first contact of driving (1) of contact surface (12) rotates.
3. breaker according to claim 1, which is characterized in that the first contact surface (12) and the second contact surface (21) are
Plane, the axis of first rotating shaft (4) are parallel to the first contact surface (12), and the first contact surface (12) is positioned at first rotating shaft (4) and
Between two contact surfaces (21).
4. breaker according to claim 3, which is characterized in that the first contact (1) contains contact supporting (11), contact branch
Frame (11) is concave shape structure, and contact supporting (11) contains sequentially connected front side board (13), intermediate plate (14) and back side panel
(15), first rotating shaft (4) and front side board (13) and back side panel (15) grafting.
5. breaker according to claim 4, which is characterized in that first rotating shaft (4) positioned at the inside of intermediate plate (14), in
Between the outer surface of plate (14) be equipped with the first contact site of oblate column, one end of first contact site with intermediate plate (14) even
It connects, end face of the first contact surface (12) for the other end of first contact site.
6. breaker according to claim 4, which is characterized in that the breaker, which further includes, to be carried to the first contact (1)
For the torsional spring (17) of restoring force, torsional spring (17) is sheathed on first rotating shaft (4) outside, and torsional spring (17) is positioned at front side board (13) and back side panel
(15) between.
7. breaker according to claim 4, which is characterized in that the breaker further includes conductive carrier (5) and terminals
Sub (6), conductive carrier (5) can be bent or stretch, and front side board (13) or back side panel (15) are connected with connecting plate (16), and conduction carries
One end of body (5) is welded with connecting plate (16), and the other end of conductive carrier (5) is electrically connected with wire connection terminal (6).
8. breaker according to claim 1, which is characterized in that the breaker further includes housing (3), the first contact (1),
Second contact (2) and first rotating shaft (4) are respectively positioned in housing (3), and first rotating shaft (4) is horizontal, the first contact (1) it is upper
Side is equipped with first limit protrusion (31) of limitation the first contact (1) rotational angle, and the lower section of the first contact (1) is equipped with limitation first
Second limit protrusion (32) of contact (1) rotational angle.
9. breaker according to claim 1, which is characterized in that the breaker further includes the second shaft (7), the second shaft
(7) axis is parallel with the axis of first rotating shaft (4), is equipped in the surface of direction the first contact (1) side on the second contact (2)
Arc groove (23), for arc groove (23) between the second contact surface (21) and the second shaft (7), the second contact (2) can
It is moved using the axis of the second shaft (7) as shaft rotation, the second contact surface (21) of the second contact (2) is made to be leaned on towards the first contact surface (12)
Closely.
10. breaker according to claim 9, which is characterized in that the second shaft (7) is horizontal, the second shaft (7)
Positioned at the top of the second contact surface (21), it is equipped with strip groove (22) in the second contact surface (21), strip groove (22) is through the
Two contact surfaces (21), strip groove (22) to open up direction identical with the axis direction of the second shaft (7), strip groove (22) will
Second contact surface (21) is separated to form two parts, which is respectively contact surface on second (201) and second time contact surface
(202), arc transition side is equipped on second between contact surface (201) and arc groove (23), second when the second contact (2) connects
For contacting surface (21) towards the first contact surface (12) during, the arc transition side of the second contact (2) can pass through pressing
First contact surface (12) drive the first contact (1) rotate, and make the second contact surface (21) second on contact surface (201) and second
Lower contact surface (202) is bonded with the first contact surface (12) matching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161096.8A CN108242373A (en) | 2018-02-27 | 2018-02-27 | A kind of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810161096.8A CN108242373A (en) | 2018-02-27 | 2018-02-27 | A kind of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108242373A true CN108242373A (en) | 2018-07-03 |
Family
ID=62698864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810161096.8A Pending CN108242373A (en) | 2018-02-27 | 2018-02-27 | A kind of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108242373A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591763Y (en) * | 2002-12-24 | 2003-12-10 | 天津市百利低压电器有限公司 | Current-limiting breaker |
| CN102243944A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Double-breakpoint contact mechanism of low-voltage circuit breaker |
| KR20120025949A (en) * | 2010-09-08 | 2012-03-16 | 엘에스산전 주식회사 | A switching mechanism for circuit braker |
| CN204348658U (en) * | 2014-12-10 | 2015-05-20 | 浙江正泰电器股份有限公司 | The contact apparatus with turning fixed contact of circuit breaker and circuit breaker |
| CN205680647U (en) * | 2016-06-22 | 2016-11-09 | 乐清市博顿电气有限公司 | High-breaking miniature breaker |
| CN208061997U (en) * | 2018-02-27 | 2018-11-06 | 首瑞（天津）电气设备有限公司 | A kind of breaker |
-
2018
- 2018-02-27 CN CN201810161096.8A patent/CN108242373A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591763Y (en) * | 2002-12-24 | 2003-12-10 | 天津市百利低压电器有限公司 | Current-limiting breaker |
| CN102243944A (en) * | 2010-05-13 | 2011-11-16 | 上海华联低压电器有限公司 | Double-breakpoint contact mechanism of low-voltage circuit breaker |
| KR20120025949A (en) * | 2010-09-08 | 2012-03-16 | 엘에스산전 주식회사 | A switching mechanism for circuit braker |
| CN204348658U (en) * | 2014-12-10 | 2015-05-20 | 浙江正泰电器股份有限公司 | The contact apparatus with turning fixed contact of circuit breaker and circuit breaker |
| CN205680647U (en) * | 2016-06-22 | 2016-11-09 | 乐清市博顿电气有限公司 | High-breaking miniature breaker |
| CN208061997U (en) * | 2018-02-27 | 2018-11-06 | 首瑞（天津）电气设备有限公司 | A kind of breaker |
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