CN207587675U - Contact mechanism and the miniature circuit breaker comprising the contact mechanism - Google Patents
Contact mechanism and the miniature circuit breaker comprising the contact mechanism Download PDFInfo
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- CN207587675U CN207587675U CN201721546875.7U CN201721546875U CN207587675U CN 207587675 U CN207587675 U CN 207587675U CN 201721546875 U CN201721546875 U CN 201721546875U CN 207587675 U CN207587675 U CN 207587675U
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Abstract
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of contact mechanism, including support element, the first metalwork and the second metalwork being inserted on support element, moving contact and spring；The moving contact upper end is arranged in the middle part of support element and is rotatedly connected with the second metalwork, and spring pocket is on the second metalwork, and one end is connected with moving contact, and the other end is connected with support element, and side in the middle part of moving contact is made to tend to support element；The moving contact upper end coordinates with the limiting of the first metalwork, make moving contact middle part tend to support element side and support element between there are external series gaps, the contact mechanism avoids being in direct contact for support element and moving contact, support element is notheated deformation, it ensure that the normal work and acting characteristic of contact mechanism, be conducive to extend the service life of contact mechanism；A kind of miniature circuit breaker for including the contact mechanism is further related to, performance is stable and service life is long.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, and in particular to a kind of contact mechanism and include the small of the contact mechanism
Type breaker.
Background technology
The structural member of miniature circuit breaker is made mostly of plastic insulation part, can not only meet insulating requirements, simplifies manufacture
Technique, moreover it is possible to reduce cost.It is constantly promoted however as the electric current frame size of miniature circuit breaker so that the conduction of breaker
Circuit calorific value is promoted, and particularly contact system, plastic article can not bear the fever of galvanic circle, improvement plastic article simply
Materials hot deformation temperature can often bring the increase of manufacturing process and cost again.As shown in Figs. 1-3, it is existing contact mechanism,
Its first metalwork 2 and the second metalwork 3, moving contact 4 and spring 5 for including support element 1, being inserted on support element 1.Such as figure
Shown in 3,4 upper end of moving contact is inserted into inside support element 1, and left side is rotatedly connected with the second metalwork 3, and spring 5 is sleeved on
On second metalwork 3, one end is connected with support element 1, and the other end is connected with moving contact 4, and driving moving contact 4 is with the second metalwork 3
For axis, there is the trend rotated clockwise, 4 middle part left side of moving contact is made to be fitted close with support element 1, and support element 1 also subject to
Pressure from moving contact 4.The support element 1 is plastic article, due to 4 conductive exothermal of moving contact, makes the temperature of itself of moving contact 4
Acutely raising, and the temperature that support element 1 can not bear moving contact 4 deforms, and moving contact and support element blocking under warming often occurs
Situation influences the normal work of contact mechanism.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, a kind of contact mechanism is provided, which obviate supports
Part and moving contact are in direct contact, and support element is notheated deformation, ensure that the normal work and acting characteristic of contact mechanism, has
Conducive to the service life for extending contact mechanism；A kind of miniature circuit breaker for including the contact mechanism is also provided, performance is steady
Fixed and service life is long.
To achieve the above object, the utility model employs following technical solution：
A kind of contact mechanism, including support element 1, the first metalwork 2 being inserted on support element 1 and the second metalwork 3,
Moving contact 4 and spring 5；
4 upper end of moving contact is arranged on 1 middle part of support element and is rotatedly connected with the second metalwork 3, and spring 5 is sleeved on second
On metalwork 3, one end is connected with moving contact 4, and the other end is connected with support element 1, and 4 middle part side of moving contact is made to tend to support element 1；
4 upper end of moving contact coordinates with the limiting of the first metalwork 2, and the middle part of moving contact 4 is made to tend to the side of support element 1
There are external series gaps between support element 1.
Preferably, the support element 1 is cylindrical structure, including being disposed therein the radial through-hole 10 in portion and being arranged on
First arcwall 12 of 10 side of radial through-hole, spring 5 make the middle part side of moving contact 4 tend to 12 one end of the first arcwall；Institute
The axial direction for stating the first metalwork 2 and the second metalwork 3 is parallel with the axial direction of support element 1；4 upper end of moving contact is set
Put first side 46, the limiting cooperation of 46 and first metalwork 2 of first side.
Preferably, the support element 1 is cylindrical structure, including being disposed therein the radial through-hole 10 in portion, being arranged on diameter
The first curved wall 12 and the second curved wall 13 and the first end wall for being arranged on 1 both ends of support element to 10 both sides of through-hole
11 and second end wall；Two spring retainer platforms 14 that the openend setting of the radial through-hole 10 coordinates with spring 5, two bullets
Spring limiting stand 14 is separately positioned on the inside of the first end wall 11 and the second end wall, and the setting of the first curved wall 12 is matched with moving contact 4
The limiting groove 120 of conjunction.
Preferably, the moving contact 4 supports 41 and is arranged on contact to support 41 sides are coupled to touch including contact
First 42, it is convex shape platy structure that contact, which supports 41, and the thicker end of convex shape structure is connected with contact 42, contact support 41 and
Second metalwork 3 is rotatedly connected, and contact supports 41 to include the spacing breach with the limiting cooperation of the first metalwork 2, spacing breach packet
Include first side 46.
Preferably, the spring 5 is V-type torsional spring, and including the first spring and second spring, the first spring and second spring are equal
The contact for being sleeved on the second metalwork 3 and being separately positioned on moving contact 4 supports 41 both sides, in the first spring and second spring
Portion is sleeved on the second metalwork 3 and both ends are connected respectively with the contact of moving contact 4 42, support element 1.
Preferably, it further includes and is arranged on the tripping 6 in 11 outside of the first end wall of support element 1 and lock 7, tripping 6 and lock 7
Overlap joint cooperation, tripping 6 are rotatedly connected with the first metalwork 2 and are connected by tripping resetting spring with 1 elasticity of support element, lock 7
It is rotatedly connected with the second metalwork 3 and is connected by latching resetting spring with 1 elasticity of support element.
Preferably, the tripping 6 is V-shaped structure, and middle part is rotatedly connected with the first metalwork 2, one end setting and lock
The tripping tooth 61 of 7 separable overlap joint cooperations is detained, other end setting pushes away slot 62.
Preferably, the lock 7 includes the lock driver plate in the one end open of radial through-hole 10 for being arranged on support element 1
71 and two linking arms 72 of lock driver plate 71 side are arranged on, two linking arms 72 rotate phase with the second metalwork 3
Even, wherein the lock tooth 720 of the separable overlap joint cooperation of tripping tooth 61 of free end setting with the tripping 6 of a linking arm 72；
The contact 42 of the moving contact 4 is located between two linking arms 72, and the first arcwall 12 and lock of support element 1 pass
Movable plate 71 is located at the both sides of contact 42 respectively.
Preferably, second metalwork 3 is inserted into first arcwall 12 of the middle part of support element 1 close to support element 1, and first
Metalwork 2 be inserted into second arcwall 13 of the middle part of support element 1 close to support element 1, the first metalwork 2 and the second metalwork 3 with
Support element 1 is axial parallel, and 4 one end of moving contact is inserted into inside support element 1 to be supported and the second metalwork by the contact of moving contact 4
3 are rotatedly connected, and tripping 6 and lock 7 are arranged on 1 side of support element, and 6 middle part of tripping is rotatedly connected with the first metalwork 2, tripping 6
It is connected by tripping resetting spring with 1 elasticity of support element, lock 7 is connected through arm 72 and is rotatedly connected with the second metalwork 3, locks
Button 7 is connected by latching resetting spring with 1 elasticity of support element, 7 separable overlap joint cooperation of tripping 6 and lock.
Including Shell of circuit breaker, operating mechanism is set inside Shell of circuit breaker for a kind of miniature circuit breaker；The operating mechanism
Including the contact mechanism, operation handle 8 and connecting rod 9,9 one end of connecting rod is connected with operation handle 8, the other end and contact mechanism
It is connected.
The contact mechanism of the utility model includes support element, the first metalwork and the second metal being inserted on support element
Part, spring and moving contact, moving contact upper end are inserted into support element and are rotatedly connected with the second metalwork, and spring pocket is mounted in the
On two metalworks, one end is connected with support element, and the other end is connected with moving contact, and side in the middle part of moving contact is made to tend to support element, is moved
Contact upper end end coordinates with the limiting of the first metalwork, makes to deposit between the side of the trend support element in the middle part of moving contact and support element
In external series gap, being in direct contact, therefore support element will not become due to moving contact temperature is excessively high for moving contact and support element is avoided
Shape ensure that the normal work of contact mechanism, be conducive to extend the service life of contact mechanism.The small-sized open circuit of the utility model
Device performance is stable and service life is long.In addition, the spring includes the first spring and second spring, the two decibel is arranged on
Moving contact both sides, the action for making moving contact is more stable, and performance is more preferably.
Description of the drawings
Fig. 1 is the structure diagram of existing contact mechanism；
Fig. 2 is another structure diagram of existing contact mechanism；
Fig. 3 is the A-A cross-sectional views of Fig. 2；
Fig. 4 is the structure diagram of the utility model contact mechanism；
Fig. 5 is another structure diagram of the utility model contact mechanism；
Fig. 6 is the B-B cross-sectional views of the utility model Fig. 5；
Fig. 7 is the fit structure schematic diagram of the utility model moving contact and the first metalwork；
Fig. 8 is another fit structure schematic diagram of the utility model moving contact and the first metalwork；
Fig. 9 is the C-C cross-sectional views of the utility model Fig. 8；
Figure 10 is the structure diagram of the utility model support element；
Figure 11 is the structure diagram of the utility model lock；
Figure 12 is the structure diagram of the utility model tripping；
Figure 13 is the structure diagram of the operating mechanism of the utility model miniature circuit breaker.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 4-13 is provided, the specific implementation of the contact mechanism of the utility model is further illustrated
Mode.The contact mechanism of the utility model is not limited to the following description.
The contact mechanism of the utility model, including support element 1, the first metalwork 2 and second being inserted on support element 1
Metalwork 3, moving contact 4 and spring 5；
4 upper end of moving contact is arranged on 1 middle part of support element and is rotatedly connected with the second metalwork 3, and spring 5 is sleeved on second
On metalwork 3, one end is connected with moving contact 4, and the other end is connected with support element 1, and 4 middle part side of moving contact is made to tend to support element 1；
4 upper end of moving contact coordinates with the limiting of the first metalwork 2, and the middle part of moving contact 4 is made to tend to the side of support element 1
There are external series gaps between support element 1.
As shown in Figs. 1-3, it is existing contact mechanism, including support element 1, the first metal being inserted on support element 1
2 and second metalwork 3 of part, moving contact 4 and spring 5.As shown in figure 3,4 upper end of moving contact is inserted into inside support element 1,
Right side is rotatedly connected with the second metalwork 3, and spring 5 is sleeved on the second metalwork 3, and one end is connected with support element 1, the other end with
Moving contact 4 is connected, and driving moving contact 4 is axis with the second metalwork 3, has the trend rotated clockwise, makes 4 middle part of moving contact right
Side is fitted close with support element 1, and support element 1 is also subject to the pressure from moving contact 4.The support element 1 is plastic article, due to
4 conductive exothermal of moving contact increases the high temperature of moving contact 4 itself, and support element 1 can not bear the temperature hair of moving contact 4
Change shape, influences the normal work of contact mechanism.
The contact mechanism of the utility model, moving contact upper end coordinate with the limiting of the first metalwork, make in the middle part of moving contact
Tend to avoid there are external series gap being in direct contact for moving contact and support element between the side of support element and support element, therefore
Support element will not deform due to moving contact temperature is excessively high, ensure that the normal work of contact mechanism.
The contact mechanism of the utility model is described further below with reference to the drawings and specific embodiments.
As shown in Figures 4 and 5, the contact mechanism of the utility model include support element 1, the first metalwork 2, the second metalwork 3,
Moving contact 4, spring 5, tripping 6 and lock 7.
As shown in fig. 6,2 and second metalwork 3 of the first metalwork is inserted on support element 1, and the axial direction side of the two
To parallel with the axial direction of support element 1,4 upper end of moving contact is inserted into 1 middle part of support element and 3 turns of left side and the second metalwork
Dynamic to be connected, lower end protrusion is sleeved in 1 downside of support element, spring 5 on the second metalwork 3, and one end is connected with support element 1, another
End is connected with 4 upper end of moving contact, and moving contact 4 is made to have the trend rotated clockwise with the second metalwork 3 for shaft, moving contact 4
Middle part on the right side of be intended to support element 1, the upper end end of moving contact 4 coordinates with the limiting of the second metalwork 2, prevents moving contact 4 suitable
Hour hands rotate, and make between 4 middle part right side of moving contact and support element 1 there are external series gap, so as to avoid moving contact 4 and support element 1
Be in direct contact, support element 1 will not because of moving contact 4 temperature it is excessively high and deform, ensure that the normal work of contact mechanism, have
Conducive to the service life for extending contact mechanism.
It should be pointed out that being intended to support element 1 on the right side of the middle part of the moving contact 4, refer to that the middle part of moving contact 4 is right
Side has the trend moved to support element 1.
As shown in figure 4, the tripping 6 and lock 7 are arranged at 1 front side of support element and the snap-fitted use of the two, tripping 6
It is rotatedly connected with the first metalwork 2 and is connected by 1 elasticity of tripping resetting spring and support element, latch 7 and 3 turns of the second metalwork
It is dynamic to be connected and be connected by latching resetting spring with 1 elasticity of support element.
Below with reference to the assembling of Figure of description and specific embodiment to the contact mechanism of the utility model and each group
Into being partly described further.
As shown in Fig. 4,6 and 7, first metalwork 2 is inserted into second arc of 1 middle part of support element close to support element 1
Wall 13, the second metalwork 3 are inserted into 1 middle part of support element close to the first arcwall 12 of support element 1, the first metalwork 2 and second
Metalwork 3 is axial parallel with support element 1, and 4 upper end of moving contact is inserted into inside support element 1 supports 41 by the contact of moving contact 4
It is rotatedly connected with the second metalwork 3, tripping 6 and lock 7 are arranged on the front side of support element 1,2 turns of 6 middle part of tripping and the first metalwork
Dynamic to be connected, tripping 6 is connected by tripping resetting spring with 1 elasticity of support element, and lock 7 is connected through 72 and second metalwork of arm
3 are rotatedly connected, and lock 7 is connected by latching resetting spring with 1 elasticity of support element, and tripping 6 and 7 separable overlap joint of lock are matched
It closes.
As shown in Figure 10, the support element 1 is cylindrical structure, radial through-hole 10, difference including being disposed therein portion
It is arranged on radial through-hole the second arcwall 13 of both sides and first arcwall 12 and before being separately positioned on support element 1 about 10
First end wall 11 and the second end wall at both ends afterwards, support element 1 further include 15 and second axially extending bore 16 of first axis through-hole, respectively
Coordinate with the first metalwork 2 and the second metalwork 3；The bullet that the openend setting on 10 right side of radial through-hole coordinates with spring 5
Spring limiting stand 14,11 forward upper of the first end wall setting kidney-shaped sliding slot 17.
Preferably, as shown in Figure 10, the number of the spring retainer platform 14 is two, is symmetricly set on 11 He of the first end wall
The inside of second end wall.
Preferably, as shown in Figure 10,12 right end of the first arcwall setting and the contact of moving contact 4 support 41 cooperations
Limiting groove 120, the width G T.GT.GT contacts of limiting groove 120 support 41 thickness.As shown in FIG. 7 and 8, first metalwork 2
It is cylindrical metal axis with the second metalwork 3.
Preferably, as shown in figure 8, second metalwork 3 includes the first part's cylinder for being disposed therein portion and divides
It is not arranged on second part cylinder, the Part III cylinder of first part's cylinder left and right ends, the outer diameter ＜ of first part's cylinder
The outer diameter of the outer diameter ＜ Part III cylinders of second part cylinder.
As Figure 6-9, the moving contact 4 supports 41 and is arranged on contact to support that 41 sides are coupled including contact
Contact 42.It should be pointed out that the contact support 41 and contact 42 either integral structure or split type
Structure.
Preferably, as shown in Figure 6 and 9, the contact supports 41 and contact 42 is split structure, and contact supports 41 right sides
Contact limiting stand, the contact limit hole of the setting of 42 top of contact and the cooperation of contact limiting stand are set.
Preferably, as shown in Fig. 6,7 and 9, it is convex shape structure that the contact, which supports 41, is touched including what is be connected with contact 42
Head supports connecting plate and is arranged on the coupled contact support limiting plate of contact support connecting plate left side central portion, and contact is supported
Connecting plate and contact support the upside junction of limiting plate to form spacing breach, and spacing breach includes being set on contact support limiting plate
The first side 46 of upper end, the limiting cooperation of 46 and first metalwork 2 of first side, contact support limiting plate lower end setting moving contact
Axis hole 44 is rotatedly connected with the second metalwork 3, the internal diameter of moving contact axis hole 44>Outside first part's cylinder of second metalwork 3
Diameter.
As shown in fig. 6, the contact supports 41 lower left corner setting arc angling structure, the first arc with support element 1
The medial surface clearance fit of wall 12.
As it can be seen in figures 5 and 6,4 contact of moving contact supports the right side 45 of 41 lower end and the bottom surface of limiting groove 120
Between there are external series gap, contact is made to support that there are external series gaps between 41 both sides and the medial surface of limiting groove 120.
As Figure 7-8, the spring 5 is V-type spring, and the contact including being separately positioned on moving contact 4 supports 41 both sides
The first spring and second spring, spring 5 be sleeved on the second metalwork 3, and one end is connected with 4 upper end of moving contact, the other end
It is connected with the spring retainer platform 14 of support element 1.
As shown in figure 11, the lock 7 includes the lock being arranged between the second arc panel 13 of support element 1 and moving contact 4
Button driver plate 71 and two linking arms 72 for being arranged on 71 side of lock driver plate, linking arm 72 are rotated with the second metalwork 3
It is connected, the lock tooth 720 of the separable overlap joint cooperation of tripping tooth 61 of left end setting with the tripping 6 of the linking arm 72 of front side.
As shown in figure 12, the tripping 6 is the tripping axis of V-shaped structure, middle part setting and the cooperation of the first metalwork 2
Hole, the tripping tooth 61 of lower end setting and the separable overlap joint cooperation of lock tooth 720 of lock 7, upper end setting push slot 62.
As shown in figure 13, including Shell of circuit breaker, behaviour is set inside Shell of circuit breaker for the miniature circuit breaker of the utility model
Make mechanism, operating mechanism includes any of the above-described contact mechanism, operation handle 8 and the connecting rod 9,9 one end of connecting rod and manipulator
Handle 8 is connected, and the other end is connected with contact mechanism.
As shown in figure 13, the operation handle 8 is rotatably arranged in Shell of circuit breaker, connecting rod 9 be U-shaped structure, left end
It is rotatedly connected with operation handle 8, right end is arranged in the kidney-shaped sliding slot 17 of the support element 1 of contact mechanism, and contact mechanism passes through
Two metalworks 3 are rotatably arranged in Shell of circuit breaker and pass through contact mechanism resetting spring and Shell of circuit breaker resilient engagement.
When the miniature circuit breaker of the utility model is closed a floodgate by gate-dividing state：
The tripping tooth 61 of the tripping 6 and the overlap joint of lock tooth 720 of lock 7 coordinate, the promotion slot 62 of tripping 61 and support
The kidney-shaped sliding slot 17 of part 1 forms limiting to the right end of connecting rod 9, pulls operation handle 8, is rotated by connecting rod 9 with dynamic contact mechanism,
The moving contact 4 of contact mechanism is made to be closed with the static contact of miniature circuit breaker, the miniature circuit breaker of the utility model is made to enter as schemed
"on" position shown in 13.
When the miniature circuit breaker of the utility model is tripped by "on" position：
The lock tooth 720 of the tripping tooth 61 of the tripping 6 and lock 7, which releases, to be coordinated, and support element 1 resets bullet in contact mechanism
It is rotated counterclockwise under the drive of spring, support element 1 drives moving contact 4 and the static contact of miniature circuit breaker to disconnect, and the right end of connecting rod 9 exists
It is slided in the kidney-shaped sliding slot 17 of support element 1, when the right end of connecting rod 9 slides into kidney-shaped 17 right end of sliding slot, support element 1 passes through connecting rod
9 drive operation handles 8 are rotated counterclockwise to original position.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (10)
1. a kind of contact mechanism, including support element (1), the first metalwork (2) and the second metal that are inserted on support element (1)
Part (3), moving contact (4) and spring (5)；
Moving contact (4) upper end is arranged in the middle part of support element (1) and is rotatedly connected with the second metalwork (3), and spring (5) is sleeved on
On second metalwork (3), one end is connected with moving contact (4), and the other end is connected with support element (1), makes side in the middle part of moving contact (4)
Tend to support element (1)；
It is characterized in that：Moving contact (4) upper end coordinates with the first metalwork (2) limiting, tends to the middle part of moving contact (4)
There are external series gaps between the side of support element (1) and support element (1).
2. contact mechanism according to claim 1, it is characterised in that：The support element (1) is cylindrical structure, including setting
Putting radial through-hole (10) in the middle and the first arcwall (12) for being arranged on radial through-hole (10) side, spring (5) makes
The middle part side of moving contact (4) tends to the first arcwall (12) one end；First metalwork (2) and the second metalwork (3)
Axial direction is parallel with the axial direction of support element (1)；Moving contact (4) the upper end setting first side (46), first side
(46) coordinate with the first metalwork (2) limiting.
3. contact mechanism according to claim 1, it is characterised in that：The support element (1) is cylindrical structure, including setting
Put radial through-hole (10) in the middle, the first curved wall (12) and the second curved side that are arranged on radial through-hole (10) both sides
Wall (13) and the first end wall (11) and the second end wall for being arranged on support element (1) both ends；The one of the radial through-hole (10) opens
Two spring retainer platforms (14) of the setting of mouth end and spring (5) cooperation, two spring retainer platforms (14) are separately positioned on first end
The inside of wall (11) and the second end wall, the limiting groove (120) of the first curved wall (12) setting and moving contact (4) cooperation.
4. contact mechanism according to claim 1, it is characterised in that：The moving contact (4) including contact support (41) with
And be arranged on contact and support the coupled contact (42) in (41) side, contact supports that (41) are convex shape platy structure, convex
The thicker end of character form structure is connected with contact (42), and contact supports (41) to be rotatedly connected with the second metalwork (3), and contact is supported
(41) including the spacing breach with the first metalwork (2) limiting cooperation, spacing breach includes first side (46).
5. contact mechanism according to claim 1, it is characterised in that：The spring (5) is V-type torsional spring, including the first bullet
Spring and second spring, the first spring and second spring are sleeved on the second metalwork (3) and are separately positioned on moving contact (4)
Contact supports (41) both sides, the middle part of the first spring and second spring be sleeved on the second metalwork (3) and both ends respectively with
Contact (42), the support element (1) of moving contact (4) are connected.
6. contact mechanism according to claim 1, it is characterised in that：Further include the first end wall for being arranged on support element (1)
(11) tripping (6) and lock (7) on the outside of, tripping (6) and lock (7) overlap joint cooperation, tripping (6) turn with the first metalwork (2)
It is dynamic to be connected and be connected by tripping resetting spring and support element (1) elasticity, latch (7) and the second metalwork (3) be rotatedly connected and
It is connected by latching resetting spring with support element (1) elasticity.
7. contact mechanism according to claim 6, it is characterised in that：The tripping (6) be V-shaped structure, middle part with
First metalwork (2) is rotatedly connected, and the tripping tooth (61) of one end setting and the separable overlap joint cooperation of lock (7), the other end is set
It puts and pushes away slot (62).
8. contact mechanism according to claim 6, it is characterised in that：The lock (7) is including being arranged on support element (1)
Lock driver plate (71) in the one end open of radial through-hole (10) and two companies for being arranged on lock driver plate (71) side
Arm (72) is connect, two linking arms (72) are rotatedly connected with the second metalwork (3), wherein the free end of a linking arm (72) is set
Put the lock tooth (720) with the separable overlap joint cooperation of the tripping tooth of tripping (6) (61)；
The contact (42) of the moving contact (4) between two linking arms (72), the first arcwall (12) of support element (1) and
Latch the both sides that driver plate (71) is located at contact (42) respectively.
9. contact mechanism according to claim 6, it is characterised in that：Second metalwork (3) is inserted into support element (1)
Close to the first arcwall (12) of support element (1), the first metalwork (2) is inserted into the middle part of support element (1) close to support element at middle part
(1) the second arcwall (13), the first metalwork (2) and the second metalwork (3) and axial parallel, the moving contact (4) of support element (1)
One end is inserted into the internal contact by moving contact (4) of support element (1) and supports to be rotatedly connected with the second metalwork (3), tripping (6)
Support element (1) side is arranged on lock (7), is rotatedly connected in the middle part of tripping (6) with the first metalwork (2), tripping (6) passes through jump
Button resetting spring is connected with support element (1) elasticity, and lock (7) is connected through arm (72) and is rotatedly connected with the second metalwork (3),
Lock (7) is connected by latching resetting spring with support element (1) elasticity, tripping (6) and the separable overlap joint cooperation of lock (7).
10. including Shell of circuit breaker, operating mechanism is set inside Shell of circuit breaker for a kind of miniature circuit breaker；It is characterized in that：Institute
It states operating mechanism and includes claim 1-9 any contact mechanism, operation handle (8) and the connecting rod (9), connecting rod (9) one end
It is connected with operation handle (8), the other end is connected with contact mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546875.7U CN207587675U (en) | 2017-11-17 | 2017-11-17 | Contact mechanism and the miniature circuit breaker comprising the contact mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721546875.7U CN207587675U (en) | 2017-11-17 | 2017-11-17 | Contact mechanism and the miniature circuit breaker comprising the contact mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587675U true CN207587675U (en) | 2018-07-06 |
Family
ID=62732127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721546875.7U Active CN207587675U (en) | 2017-11-17 | 2017-11-17 | Contact mechanism and the miniature circuit breaker comprising the contact mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207587675U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659206A (en) * | 2018-12-24 | 2019-04-19 | 厦门宏发开关设备有限公司 | A kind of small type circuit breaker operating mechanism and miniature circuit breaker |
| CN113394062A (en) * | 2021-06-10 | 2021-09-14 | 浙江大展电器有限公司 | Tripping mechanism and surge protector adopting same |
-
2017
- 2017-11-17 CN CN201721546875.7U patent/CN207587675U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659206A (en) * | 2018-12-24 | 2019-04-19 | 厦门宏发开关设备有限公司 | A kind of small type circuit breaker operating mechanism and miniature circuit breaker |
| CN113394062A (en) * | 2021-06-10 | 2021-09-14 | 浙江大展电器有限公司 | Tripping mechanism and surge protector adopting same |
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