CN208570498U - A kind of auxiliary contact push rod structure of breaker - Google Patents
A kind of auxiliary contact push rod structure of breaker Download PDFInfo
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- CN208570498U CN208570498U CN201821420000.7U CN201821420000U CN208570498U CN 208570498 U CN208570498 U CN 208570498U CN 201821420000 U CN201821420000 U CN 201821420000U CN 208570498 U CN208570498 U CN 208570498U
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- connecting rod
- breaker
- auxiliary contact
- push rod
- rod
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Abstract
The utility model discloses a kind of auxiliary contact push rod structure of breaker, including electromagnetic type in the prior art or the mandril of electrodynamic type ejecting structure connection is arranged in matrix inner cavity, the double leval jib rigid structure that can be ejected by mandril, the structure for opening or being closed the auxiliary contact push rod structure of firm this breaker of contact apparatus for connecting route connected on double leval jib rigid structure is simple, utilize the guiding insulating sleeve in firm contact apparatus, after the first insertion positioning of insulation guide rod, drive the contact of two contacts more stable, prevent two contacts unlatchings and closing motion state labile and all hit out spark, endanger breaker apparatus and the safety of personnel.It is suitble to industrialization, promotes the structure that the design is widely used in society, there is very big value.
Description
Technical field
The utility model relates to electric power correlative technology field, the auxiliary contact push rod structure of specially a kind of breaker.
Background technique
Breaker can be used to distribute electric energy, infrequently start asynchronous motor, carry out power circuit and motor etc.
Protection, when serious overload or short circuit and the failures such as under-voltage occurs in they can automatic shutdown circuit, function is equivalent to molten
Disconnected combination device formula switch and cross underheat relay etc..And change components are not needed generally after disjunction fault current.Mesh
Before, it has had been widely used.Application number-CN201810364266.2 discloses a kind of moving contact group of plug in circuit breaker
Part discloses the steady closure of the contact and separates, prevents poor contact.But for auxiliary body's structure mistake of the design
In complexity, in use, dislocation still may be caused to contact, so that the contact area point contact of contact chip, and get
Spark.For this purpose, proposing a kind of auxiliary contact push rod structure of breaker.
Utility model content
The purpose of this utility model is to provide a kind of auxiliary contact push rod structure of breaker, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides the following technical solutions:
A kind of auxiliary contact push rod structure of breaker, including electromagnetic type or electricity in the prior art are set in matrix inner cavity
The mandril of dynamic formula ejecting structure connection, can by double leval jib rigid structure that mandril ejects, be connected on double leval jib rigid structure can
Open or be closed the firm contact apparatus for connecting route；The double leval jib rigid structure includes the first company that successively first place is hinged
Bar, second connecting rod, third connecting rod, fourth link, fourth link are connected on matrix by holder pivots；
It is located on the side wall of matrix in the middle part of the side wall of the first connecting rod by tension spring；Positioned at the first connecting rod
It is welded with positioning plate on the side wall of the first connecting rod at the articulated position of second connecting rod, and is fixedly connected with insulation on positioning plate
Guide rod, fixing sleeve is connected to the second wafer on the insulation guide rod, and the side for the guide rod that insulate be correspondingly arranged on it is pluggable
Guiding insulating sleeve, the guiding insulating sleeve is fixedly connected with the first contact close to the end of side of insulation guide rod,
The end side of guiding insulating sleeve is fixed on the side wall of matrix.
Preferably, the guiding insulating sleeve, insulation guide rod are the identical arcuate structure body of radian.
Preferably, mandril center position between second connecting rod, third connecting rod.
Preferably, the fourth link is presented the V-structure at obtuse angle, and first connecting rod, second connecting rod, third connecting rod, the
The surface of double leval jib is coated with insulating layer.
Preferably, multiple threaded holes be may be provided on the positioning plate, first connecting rod is detachably arranged in by screw.
Compared with prior art, the utility model has the beneficial effects that the knot of the auxiliary contact push rod structure of this breaker
Structure is simple, after the first insertion positioning using guiding insulating sleeve, the guide rod that insulate in firm contact apparatus, drives two contacts
Contact it is more stable, prevent two contacts from opening and closing motion state labile and all hit out spark, endanger breaker apparatus
And the safety of personnel.It is suitble to industrialization, promotes the structure that the design is widely used in society, there is very big value.
Detailed description of the invention
Fig. 1 be the utility model proposes breaker auxiliary contact push rod structure closed state schematic diagram；
Fig. 2 be the utility model proposes breaker auxiliary contact push rod structure trip status schematic diagram；
Fig. 3 is to be applicable in breaker closing circuit diagram involved in the utility model.
In figure: matrix 1, mandril 2, first connecting rod 3, second connecting rod 4, third connecting rod 5, fourth link 6, tension spring 7, steady
Gu contact apparatus 8, guiding insulating sleeve 801, the first contact 802, insulation guide rod 803, the second wafer 804, positioning plate 805.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution:
A kind of auxiliary contact push rod structure of breaker, including be arranged in 1 inner cavity of matrix in the prior art electromagnetic type or
The mandril 2 of electrodynamic type ejecting structure connection can be connected on double leval jib rigid structure that mandril 2 ejects, double leval jib rigid structure
Open or be closed connect route firm contact apparatus 8；The design, which improves, to be to utilize leading in firm contact apparatus 8
After positioning to the first insertion of insulating sleeve 801, the guide rod 803 that insulate, drive the contact of two contacts more stable.Double leval jib rigidity
Structure includes successively the first hinged first connecting rod 3, second connecting rod 4, third connecting rod 5, fourth link 6, and fourth link 6 presents blunt
The V-structure at angle, and the surface of first connecting rod 3, second connecting rod 4, third connecting rod 5, fourth link 6 is coated with insulating layer, into
One step prevents drain conditions.
Fourth link 6 is the V-structure that obtuse angle is approximately equal to 110 ° of angles, and fourth link 6 is connected to by holder pivots
Two are contained on matrix 1, on bracket and is fixed on the support laminated structure of matrix 1, are rotatablely connected between two support laminated structures
There is a mandrel, and the corner of mandrel and fourth link 6 is rotation connection.
It is located on the side wall of matrix 1 in the middle part of the side wall of first connecting rod 3 by tension spring 7, and drawn in its natural state
Power spring 7 is in tension, and the inner cavity state for being inserted into guiding insulating sleeve 801 is in so as to cause insulation guide rod 803
In；Positioning plate 805 is welded on the side wall of first connecting rod 3 at the articulated position of first connecting rod 3 and second connecting rod 4, and
Insulation guide rod 803 is fixedly connected on positioning plate 805, fixing sleeve is connected to the second wafer 804 on the guide rod that insulate, and insulation is led
Pluggable guiding insulating sleeve 801 is correspondingly arranged on to the side of bar 803, guiding insulating sleeve 801 is close to insulation guide rod
The end of 803 side is fixedly connected with the first contact 802, and the end side of guiding insulating sleeve 801 is fixed on matrix 1
On side wall.
Guiding insulating sleeve 801, insulation guide rod 803 are the identical arcuate structure body of radian, arcuate structure cooperation four
The deformation of connecting rod rigid structure, so that first passing through accurate positionin before two contact separation or contact, being unlikely to unexpected
Contact or separation cause electric spark, cause security risk.
The center position between second connecting rod 4, third connecting rod 5 of mandril 2, using breaker closing electricity illustrated in Figure 3
Lu Tu controls the release and retraction of mandril 2, when mandril 2 releases the deformation of the double leval jib rigid structure above can causing, from knot
Structure mechanics is it can be learnt that caused first connecting rod 3 moves, thus guide rod 803, the second wafer 804 the band turn together that will insulate
It is dynamic, so that being detached from the first contact 802, realize power-off protection.
It may be provided with multiple threaded holes on positioning plate 805, first connecting rod 3 be detachably arranged in by screw, by not
The positioning of same threaded hole, the position of adjustable insulation guide rod 803, to prevent error, influence is inserted into guiding
In insulating sleeve 801.
Working principle: when protection act, mandril destroys double leval jib rigid structure, tripping, then detains and can close a floodgate.?
During opening a sluice gate or closing a floodgate, guiding insulating sleeve 801 and insulation guide rod 803 are first directed at positioning, drive two touchings realizing
Piece contact or separation.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of auxiliary contact push rod structure of breaker, including be arranged in matrix (1) inner cavity electromagnetic type in the prior art or
The mandril (2) of electrodynamic type ejecting structure connection, the double leval jib rigid structure that can be ejected by mandril (2), on double leval jib rigid structure
The firm contact apparatus (8) for connecting route is opened or is closed in connection；The double leval jib rigid structure includes successively the first
Hinged first connecting rod (3), second connecting rod (4), third connecting rod (5), fourth link (6), fourth link (6) pass through holder pivots
It is connected on matrix (1)；
It is characterized by: being located on the side wall of matrix (1) in the middle part of the side wall of the first connecting rod (3) by tension spring (7)；
Positioning plate is welded on the side wall of first connecting rod (3) at the articulated position of the first connecting rod (3) and second connecting rod (4)
(805), it and on positioning plate (805) is fixedly connected with insulation guide rod (803), fixing sleeve is connected to second on the insulation guide rod
Contact (804), and the side of insulation guide rod (803) is correspondingly arranged on pluggable guiding insulating sleeve (801), the guiding
Insulating sleeve (801) is fixedly connected with the first contact (802) close to the end of the side of insulation guide rod (803), guiding insulation
The end side of sleeve (801) is fixed on the side wall of matrix (1).
2. a kind of auxiliary contact push rod structure of breaker according to claim 1, it is characterised in that: the guiding insulation
Sleeve (801), insulation guide rod (803) are the identical arcuate structure body of radian.
3. a kind of auxiliary contact push rod structure of breaker according to claim 1, it is characterised in that: the mandril (2)
The center position between second connecting rod (4), third connecting rod (5).
4. a kind of auxiliary contact push rod structure of breaker according to claim 1, it is characterised in that: the fourth link
(6) V-structure at obtuse angle, and the surface of first connecting rod (3), second connecting rod (4), third connecting rod (5), fourth link (6) is presented
It is coated with insulating layer.
5. a kind of auxiliary contact push rod structure of breaker according to claim 1, it is characterised in that: the positioning plate
(805) multiple threaded holes be may be provided on, first connecting rod (3) are detachably arranged in by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420000.7U CN208570498U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary contact push rod structure of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821420000.7U CN208570498U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary contact push rod structure of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208570498U true CN208570498U (en) | 2019-03-01 |
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ID=65451537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821420000.7U Active CN208570498U (en) | 2018-08-31 | 2018-08-31 | A kind of auxiliary contact push rod structure of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208570498U (en) |
-
2018
- 2018-08-31 CN CN201821420000.7U patent/CN208570498U/en active Active
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