CN207503896U - Breaker of plastic casing - Google Patents
Breaker of plastic casing Download PDFInfo
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- CN207503896U CN207503896U CN201721128873.6U CN201721128873U CN207503896U CN 207503896 U CN207503896 U CN 207503896U CN 201721128873 U CN201721128873 U CN 201721128873U CN 207503896 U CN207503896 U CN 207503896U
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- static contact
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- bottom plate
- breaker
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Abstract
A kind of breaker of plastic casing, including the static contact being arranged in shell structure, the static contact, which takes the shape of the letter U, structure and forms spaced bottom plate and static contact panel, and one end of static contact panel is tilted to bottom plate is extended the static contact for foring non-parallel configuration, magnetic blow-out is installed between bottom plate and static contact panel, the magnetic blow-out is equipped with the bending plate being obliquely installed, the angle of the bending plate bending is identical with the angle that static contact panel is bent and is oppositely arranged with static contact panel, insulating boot is installed on static contact, the inner wall of the insulating boot and the outer of magnetic blow-out are oppositely arranged.Breaker of the magnetic blow-out of the utility model especially suitable for static contact non-parallel configuration, it can ensure that magnetic blow-out has the problem of reliably preferable fixed, avoid breaker of plastic casing influences arc extinction performance because of assembling movement in vertical, horizontal direction with static contact after mounting.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, particularly a kind of breaker of plastic casing.
Background technology
Breaker of plastic casing is the equipment for protecting electrical equipment and circuit.When there is short trouble in electrical equipment and circuit,
Breaker of plastic casing can disjunction immediately so as to ensure safety.During due to short circuit breaking, dynamic/static contact can pull out strong electricity when opening
Arc, therefore breaker of plastic casing often plays the role of fast arc extinction, existing magnetic blow-out by being placed on the magnetic blow-out below static contact
Structure is generally using fairly simple rectangular and be placed below static contact.However, since breaker is can be pacified with multiple directions
In operating circuit, i.e., including right angle setting and it is horizontally mounted, causes magnetic blow-out often out of alignment in breaker, from
And the arc quenching effect of breaker is affected to a certain extent.In addition, magnetic blow-out is placed on the lower section of static contact so that breaker is passing through
After Chang Fanfu operations, magnetic blow-out is due to lacking fixed and stress deformation causes the breaker service life to reduce so as to lose certain excess of stroke.
Utility model content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of reliable, service life simple in structure, fixed
Longer breaker of plastic casing.
To achieve the above object, the utility model employs following technical solution：
A kind of breaker of plastic casing, including the static contact 4 being arranged in shell structure, the static contact 4 takes the shape of the letter U structure
And spaced bottom plate 43 and static contact panel 45 are formd, and one end of static contact panel 45 tilts to bottom plate 43 and is extended, it is quiet
The silver contact 6 of contact 4 is arranged on static contact panel 45 so as to form the static contact of non-parallel configuration 4, in bottom plate 43 and static contact panel
Magnetic blow-out 5 is installed, the magnetic blow-out 5 is equipped with the bending plate 54 being obliquely installed, the angle that the bending plate 54 is bent between 45
It is identical and be oppositely arranged with static contact panel 45 with the angle bent of static contact panel 45, insulating boot 7 is installed on static contact 4, it is described absolutely
The inner wall of edge cover 7 and the outer of magnetic blow-out 5 are oppositely arranged.
Preferably, further include arc-chutes 8, the arc-chutes 8 be located on bottom plate 43 and with the tilting section of static contact panel 45
452 end is oppositely arranged, and the silver contact 6 is arranged on tilting section 452, has been disposed adjacent and has been drawn in the side of silver contact 6
Arc plate 9, one end of the run-on tab 9 are mounted on tilting section 452 close to the end of 43 one end of bottom plate, run-on tab by fixing piece 10
9 other end protrudes the entrance that tilting section 452 stretches to arc-chutes 8.
Preferably, the magnetic blow-out 5 be " several " character form structure, magnetic blow-out 5 include 51, two the second templates 52 of the first template,
Two third templates 53 and bending plate 54, two the second templates 52 with the both sides of the first template 51 connect and form U vertically respectively
Type structure, two third templates 53 are connected with two ends of the U-shaped structure and respectively respectively to separate first templates 51
Side extends, and one end of the bending plate 54 is connected with the side wall of 51 end of the first template, and the other end of bending plate 54 is to the
Side where three template 53 extends and is obliquely installed.
Preferably, two protrusive boards 55 are further included, two protrusive boards 55 are separately positioned on two the second templates 52 far from bending plate
On the side wall of 54 end and stretch into the U-shaped opening of U-shaped board 44 of static contact 4.
Preferably, shell 1 matches the shell structure for foring breaker of plastic casing with pedestal 2, is equipped in the pedestal 2
Multiple contact chambers 21 are equipped with wire connection cavity 23 in the end of contact chamber 21, backing plate 11 are equipped with, and in bottom plate on the bottom plate 43
43 are equipped with the shape slot 431 that the trepanning 112 with backing plate 11 is correspondingly arranged, and the bottom surface inner wall of the contact chamber 21 is equipped with convex ribs
22, the convex ribs 22 wear bottom plate 43 and backing plate 11 by shape slot 431 and trepanning 112 and the bottom surface of the bending plate 54 of magnetic blow-out 5 offsets
It connects, and the inclined-plane 211 identical with the angle that bending plate 54 is bent is equipped on the end face of convex ribs 22, so that in magnetic blow-out 5
It is gapless between the tilting section 452 of convex ribs 22, bending plate 54 and static contact panel 45 after assembling to be engaged.
Preferably, the static contact 4 further includes terminal plate 41, connecting plate 42 and U-shaped board 44, one end of the terminal plate 41
It is oppositely arranged positioned at the end of the pedestal 2 of shell structure and with the wire connection terminal 3 of shell structure, the other end of terminal plate 41 and company
One end of plate 42 is connected and is in inverted "L" shape structure, and the other end of the connecting plate 42 is connected with one end of bottom plate 43 and is in " L "
Shape structure causes bottom plate 43 misplaces with terminal plate 41 to be arranged in parallel, and the other end of the bottom plate 43 is connected with one end of U-shaped board 44
It connects, the other end of the U templates 44 is connected with static contact panel 45 and bottom plate 43 is made to be spaced with static contact panel 45, the static contact panel 45
Including end to end flat segments 451 and tilting section 452, the both ends of the flat segments 451 respectively with U-shaped board 44 and tilting section
452 are connected, and the tilting section 452 is obliquely installed from U-shaped board 44 to bottom plate 43 and extends to the surface of bottom plate 43.
Preferably, the insulating boot 7 is sleeved on bottom plate 43, and one end of insulating boot 7 is by 44 He of U-shaped board of static contact 4
The flat segments 451 of static contact panel 45 cover, the other end by the connecting plate 42 of static contact 4 cover and with the end of the terminal plate 41 of static contact 4
Portion is oppositely arranged, and insulating boot 7 exposes the run-on tab 9 of the tilting section 452 of static contact panel 45, silver contact 6 and breaker.
Preferably, the insulating boot 7 includes front cover shell 71, side shield 72, mounting portion 73 and rear casing 74, described
The outer of rear casing 74 and U-shaped board 44, which is oppositely arranged, covers U-shaped board 44, and the front cover shell 71 is connected simultaneously with rear casing 74
The outer of tilting section 452 and magnetic blow-out 5 along static contact panel 45, which is set, covers tilting section 452 and magnetic blow-out 5,72 edge of side shield
The side wall of bottom plate 43 sets and is connected with front cover shell 71 and rear casing 74, and the mounting portion 73 is arranged on the bottom of side shield 72
Portion is simultaneously matched with bottom plate 43.
Preferably, the front cover shell 71 includes the vertical baffle 711 of L-shaped setting and horizontal baffle 712, described
Two Second-Types with the side wall of static contact panel 45, the side wall of the first template 51 of magnetic blow-out 5 and magnetic blow-out 5 respectively of vertical baffle 711
The side wall of plate 52 is disposed adjacent, and the horizontal baffle 712 is disposed adjacent with the upper surface of the third template 53 of magnetic blow-out 5 so that side
Baffle 72 is located at the outside of third template 53.
Preferably, backing plate 11 is further included, the backing plate 11 is mounted on bottom plate 43, and the bottom of the magnetic blow-out 5 is located at pad
On plate 11, backing plate 11 includes substrate 111, is equipped with trepanning 112 at the middle part of substrate 111, is equipped in the both sides of substrate 111 and bottom plate
The side 113 that the side wall of 43 both sides is oppositely arranged is equipped with wraping plate 114 in the end of 111 one end of substrate, and the wraping plate 114 is located at
In the U-shaped opening of the U-shaped board 44 of static contact 4, magnetic blow-out 5 is placed on substrate 111 and is oppositely arranged with trepanning 112.
To form static contact non-by the way that silver contact is arranged on inclined static contact panel for the breaker of plastic casing of the utility model
The breaker of parallel construction, meanwhile, by setting bending plate that is identical with static contact panel bending angle and being oppositely arranged in magnetic blow-out,
So as to be limited magnetic blow-out between static contact panel and bottom plate and magnetic blow-out is made to be aligned with static contact automatic vertical, by being installed on static contact
Insulating boot is so as to make magnetic blow-out be aligned with static contact automatic horizontal so that the magnetic blow-out is especially suitable for the disconnected of static contact non-parallel configuration
Road device, i.e. breaker of plastic casing use the mounting means that right angle setting is still horizontally mounted, and can ensure that magnetic blow-out is being assembled
Have in vertical, horizontal direction with static contact afterwards it is reliable preferable fixed, avoid breaker of plastic casing because assembling is mobile and
The problem of influencing arc extinction performance.In addition, the utility model by the way that magnetic blow-out to be designed as to " several " character form structure, is ensureing arc quenching effect
While facilitate molding, have higher production efficiency, pass through on pedestal setting and the bending plate of magnetic blow-out and inclining for static contact
The convex ribs that oblique section is engaged, and its three tightly cooperation and gapless after mounting are made by identical bending angle, so as to
Even if dynamic/static contact repeatedly after contact, will not make the magnetic blow-out of " several " font lie prone open form change, the mechanical longevity of breaker ensure that
Life.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model；
Fig. 2 is the static contact of the utility model and the assembling structure schematic diagram of magnetic blow-out；
Fig. 3 is the static contact of the utility model and the assembling structure schematic diagram of insulating boot；
Fig. 4 is the static contact of the utility model and the assembling structure side view of magnetic blow-out；
Fig. 5 is the structure diagram of the backing plate of the utility model；
Fig. 6 is the structure diagram of the magnetic blow-out of the utility model；
Fig. 7 is the magnetic blow-out of the utility model and the assembling structure sectional view of insulating boot；
Fig. 8 is the partial structural diagram of the pedestal of the utility model；
Fig. 9 is the static contact of the utility model and the assembling structure schematic diagram of magnetic blow-out and pedestal.
Specific embodiment
The embodiment of the utility model is provided below in conjunction with attached drawing 1 to 9, further illustrates the plastic housing open circuit of the utility model
Implement body embodiment.The breaker of plastic casing of the utility model is not limited to the following description.
As shown in Figures 1 to 3, the breaker of plastic casing of the utility model includes shell 1, pedestal 2 and multiple wire connection terminals 3, institute
The shell 1 stated matches the shell structure for foring breaker of plastic casing with pedestal 2, and multiple wire connection terminals 3 are symmetricly set on pedestal 2
Both ends and expose for wiring, be equipped with multiple static contacts 4 in pedestal 2, the static contact 4, which takes the shape of the letter U, structure and to be formd
Spaced bottom plate 43 and static contact panel 45, and one end of static contact panel 45 tilts to bottom plate 43 and is extended, the silver of static contact 4
Contact 6 is arranged on static contact panel 45 so as to form the static contact of non-parallel configuration 4, is installed between bottom plate 43 and static contact panel 45
The magnetic blow-out 5 of arc extinguishing is useful for, the magnetic blow-out 5 is equipped with the bending plate 54 being obliquely installed, the angle that the bending plate 54 is bent
It is identical and be oppositely arranged with the bottom surface of static contact panel 45 with the angle bent of static contact panel 45, insulating boot 7 is installed on static contact 4,
The inner wall of the insulating boot 7 and the outer of magnetic blow-out 5 are oppositely arranged.During assembling, magnetic blow-out 5 by bending plate 54 and static contact panel 45 with it is quiet
Contact 4 is automatically aligned in the vertical direction, and magnetic blow-out 5 is automatically aligned in the horizontal direction by insulating boot 7 and static contact 4.This reality
With the novel breaker for foring static contact non-parallel configuration on inclined static contact panel 45 by the way that silver contact 6 is arranged on, meanwhile,
It is quiet so as to which magnetic blow-out 5 be limited by setting bending plate 54 that is identical with 45 bending angle of static contact panel and being oppositely arranged in magnetic blow-out 5
Between touch panel 45 and bottom plate 43 and magnetic blow-out 5 is made to be aligned with 4 automatic vertical of static contact, by static contact 4 install insulating boot 7 from
And magnetic blow-out 5 is made to be aligned with 4 automatic horizontal of static contact so that the breaker of the magnetic blow-out 5 especially suitable for static contact non-parallel configuration,
I.e. breaker of plastic casing uses the mounting means that right angle setting is still horizontally mounted, and can ensure that magnetic blow-out 5 exists after mounting
Vertically, have in horizontal direction with static contact 4 and reliably preferably fix, avoid breaker of plastic casing influences because of assembling movement
The problem of arc extinction performance.
Specifically, as shown in figure 4, the static contact 4 further includes terminal plate 41, connecting plate 42 and U-shaped board 44, the wiring
One end of plate 41 is located at the end of pedestal 2 and is oppositely arranged with wire connection terminal 3 for wiring and conductive, the other end of terminal plate 41
It is connected with one end of connecting plate 42 and is in inverted "L" shape structure, the other end of the connecting plate 42 is connected simultaneously with one end of bottom plate 43
L-shaped structure causes bottom plate 43 misplaces with terminal plate 41 to be arranged in parallel, the other end of the bottom plate 43 and one end of U-shaped board 44
It is connected, the other end of the U-shaped board 44 is connected with static contact panel 45 and bottom plate 43 is made to be spaced with static contact panel 45, the static contact panel
45 include end to end flat segments 451 and tilting section 452, the both ends of the flat segments 451 respectively with U-shaped board 44 and tilting section
452 are connected, and the tilting section 452 is obliquely installed from U-shaped board 44 to bottom plate 43 and extends to the surface of bottom plate 43, is connecing
Line plate 41 is equipped with main electrical scheme hole 411 and two secondary wiring holes 412, and the main electrical scheme hole 411 is arranged on terminal plate 41 bottom of far from
For being connected with the trip bolt of wire connection terminal 3, two secondary wiring holes 412 are separately positioned on terminal plate for the end of 43 side of plate
41 are used to be connected with pedestal 2 and auxiliary connection close to the both sides of the end of 43 side of bottom plate.
As shown in figs. 2 and 9, the breaker of plastic casing of the utility model further includes arc-chutes 8, run-on tab 9, fixing piece 10 and pad
Plate 11, the arc-chutes 8 are located on bottom plate 43 and are oppositely arranged with the end of tilting section 452, and the silver contact 6 is arranged on
On tilting section 452, run-on tab 9 is disposed adjacent in the side of silver contact 6, one end of the run-on tab 9 is pacified by fixing piece 10
Mounted in tilting section 452 close to the end of 43 one end of bottom plate, the other end of run-on tab 9 protrudes tilting section 452 and stretches to arc-chutes 8
Entrance, so that when moving contact is detached with static contact 4, the electric arc generated at silver contact 6 can be quick by run-on tab 9
Into in arc-chutes 8, the arc extinguishing ability of breaker of plastic casing ensure that, the backing plate 11 is mounted on bottom plate 43, the magnetic blow-out 5
Bottom be located on backing plate 11, specifically, as described in Figure 5, backing plate 11 includes substrate 111, is equipped with and opens at the middle part of substrate 111
Hole 112 is equipped with the side 113 being oppositely arranged with the side wall of 43 both sides of bottom plate in the both sides of substrate 111, in 111 one end of substrate
End is equipped with wraping plate 114, and the wraping plate 114 is located at for climbing electrical isolation in the U-shaped opening of U-shaped board 44, and magnetic blow-out 5 is placed on substrate
It is oppositely arranged on 111 and with trepanning 112.Preferably, the fixing piece 10 is screw.The utility model passes through on bottom plate 43
Backing plate 11 is installed so that insulate between magnetic blow-out 5 and bottom plate 43, so as to ensure that the electric current in breaker all in static contact 4
Flowing, avoids electric current and skips U-shaped board 44 by magnetic blow-out 5 and flow directly in static contact panel 45, and then ensure that breaker in short circuit
With sufficiently large electronic reprimand and sufficiently fast breaking speed when disjunction.
As shown in fig. 6, a specific embodiment of the magnetic blow-out 5 of the utility model is, the magnetic blow-out 5 is " several " word
Shape structure, magnetic blow-out 5 include 51, two the second templates of the first template, 52, two third templates 53, bending plate 54 and two protrusive boards
55, two the second templates 52 with the both sides of the first template 51 connect and form U-shaped structure vertically respectively, and two third templates 53 divide
It is not connected with two ends of the U-shaped structure and extends respectively to the side far from the first template 51 so as to form " several " word
The magnetic blow-out 5 of shape structure, one end of the bending plate 54 are connected with the side wall of 51 end of the first template, the other end of bending plate 54
Extend and be obliquely installed to the side where third template 53, two protrusive boards 55 are separately positioned on two the second templates 52 far from curved
On the side wall of the end of folded plate 54 and the interior volume for increase magnetic blow-out 5 as possible of U-shaped opening of U-shaped board 44 is stretched into so as to play more
The magnetic blow-out effect changed, while the both ends of protrusive board 55 have all carried out removal procedure for preventing from climbing electricity, and bottom is flowed through so as to ensure that
The electric current of plate 43 can pass fully through U-shaped board 44 and flow in static contact panel 45.During assembling, third template 53 is placed on backing plate 11,
The top and the bottom of flat segments 451 of first template 51 are oppositely arranged, the angle that bending plate 54 is bent and tilting section 452
The angle of bending is identical and is disposed adjacent, and bending plate 54 is located at the top of trepanning 112.The utility model is by by magnetic blow-out 5
" several " character form structure is designed as, facilitates molding while arc quenching effect is ensured, there is higher production efficiency, meanwhile, pass through
The bending plate 54 that the angle of bending is identical can enough cause magnetic blow-out 5 and static contact 4 in assembling in vertical direction with tilting section 452
On can be automatically aligned to.
As shown in Figure 3 and 7, the insulating boot 7 is sleeved on the bottom plate 43 of static contact 4, and one end of insulating boot 7 will be U-shaped
Plate 44 and flat segments 451 cover, and connecting plate 42 is covered and is oppositely arranged, and insulating boot 7 with the end of terminal plate 41 by the other end
Tilting section 452, silver contact 6 and run-on tab 9 are exposed.Specifically, insulating boot 7 includes front cover shell 71, side shield 72, mounting portion 73
With rear casing 74, the outer of the rear casing 74 and U-shaped board 44, which is oppositely arranged, covers U-shaped board 44, the front cover shell 71
It is connected with rear casing 74 and is set along the outer of tilting section 452 and magnetic blow-out 5 and covers tilting section 452 and magnetic blow-out 5, the side
The side wall of baffle 72 along bottom plate 43 sets and is connected with front cover shell 71 and rear casing 74, and the mounting portion 73 is arranged on side block
The bottom of plate 72 simultaneously matches to limit insulating boot 7 on bottom plate 43 with bottom plate 43, and front cover shell 71 includes L-shaped set
The vertical baffle 711 and horizontal baffle 712 put, the vertical baffle 711 respectively with the side wall of static contact panel 45, the first template
The side wall of 51 side wall and two the second templates 52 is disposed adjacent, the upper surface of the horizontal baffle 712 and third template 53
It is disposed adjacent so that side shield 72 is located at the outside of third template 53.The insulating boot 7 of the utility model is installed in bottom plate 43
Vertical gear that is upper and cover static contact panel 45 and magnetic blow-out 5, and being disposed adjacent by the outer of the outer and magnetic blow-out 5 with static contact panel 45
Plate 711, horizontal baffle 712 and side shield 72 enable magnetic blow-out 5 to be aligned surely automatically in the horizontal direction with static contact 4 in assembling.
It is as shown in Figs. 7-9, equipped with multiple for installing the contact chamber 21 of static contact 4 in the pedestal 2, in contact chamber
21 end is equipped with for the wire connection cavity 23 of placing terminal plate 41 and wire connection terminal 3, the connecting plate 42 of the static contact 4, bottom plate 43,
U-shaped board 44 and static contact panel 45 are respectively positioned in contact chamber 21, and the bottom plate 43 is equipped with the shape slot 431 being correspondingly arranged with trepanning 112,
The bottom surface inner wall of the contact chamber 21 is equipped with convex ribs 22, and the convex ribs 22 wear bottom plate 43 and pad by shape slot 431 and trepanning 112
Plate 11 and the bottom surface of the bending plate 54 of magnetic blow-out 5 abut against, and the angle bent with bending plate 54 is equipped on the end face of convex ribs 22
Identical inclined-plane 211 is spent, so that gapless between convex ribs 22, bending plate 54 and tilting section 452 after the assembling of magnetic blow-out 5
It is engaged.The magnetic blow-out 5 of the utility model due to being designed as " several " type structure and being arranged on the lower section of silver contact 6, so if
In the case that lack it is fixed, after the long-term or multiple breaking-closing operating of breaker, 5 stress of magnetic blow-out can oriented both sides lie prone what is held
Trend can lose the excess of stroke and the breaker service life be caused to reduce, therefore the utility model by setting and magnetic blow-out 5 on the base 2
The convex ribs 22 that the tilting section 452 of bending plate 54 and static contact 4 is engaged, and passing through identical bending angle makes its three exist
Tightly cooperation and gapless after assembling, even if so as to dynamic/static contact repeatedly after contact, the magnetic blow-out 5 of " several " font will not be made to lie prone
Open form becomes, and ensure that the mechanical life of breaker.
The magnetic blow-out 5 of the utility model has and is easy to fixed, does not influence breaker service life, simple shape, efficiency of assembling height etc.
Advantage is a kind of very useful breaker magnetic blowing apparatus.
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 breaker of plastic casing, including the static contact (4) being arranged in shell structure, it is characterised in that：The static contact
(4) structure that takes the shape of the letter U simultaneously forms spaced bottom plate (43) and static contact panel (45), and one end of static contact panel (45) is to bottom plate
(43) it tilts and is extended, the silver contact (6) of static contact (4) is arranged on static contact panel (45) so as to form non-parallel configuration
Static contact (4), is equipped with magnetic blow-out (5) between bottom plate (43) and static contact panel (45), and the magnetic blow-out (5) is equipped with and is obliquely installed
Bending plate (54), the angle of the bending plate (54) bending it is identical with the angle that static contact panel (45) is bent and with static contact panel (45)
It is oppositely arranged, insulating boot (7) is installed on static contact (4), the inner wall of the insulating boot (7) is opposite with the outer of magnetic blow-out (5)
Setting.
2. breaker of plastic casing according to claim 1, it is characterised in that：Further include arc-chutes (8), the arc-chutes
(8) it is oppositely arranged on bottom plate (43) and with the end of the tilting section (452) of static contact panel (45), the silver contact (6) is set
It puts on tilting section (452), run-on tab (9) has been disposed adjacent in the side of silver contact (6), one end of the run-on tab (9) leads to
Fixing piece (10) is crossed mounted on tilting section (452) close to the end of bottom plate (43) one end, the other end of run-on tab (9), which protrudes, to be tilted
Section (452) stretches to the entrance of arc-chutes (8).
3. breaker of plastic casing according to claim 1, it is characterised in that：The magnetic blow-out (5) be " several " character form structure, magnetic
It blows (5) and includes the first template (51), two the second templates (52), two third templates (53) and bending plate (54), two second
Template (52) with the both sides of the first template (51) connect and forms U-shaped structure vertically respectively, two third templates (53) respectively with
Two ends of the U-shaped structure are connected and extend respectively to the side far from the first template (51), the bending plate (54)
One end is connected with the side wall of the first template (51) end, and the other end of bending plate (54) is to the side where third template (53)
Extend and be obliquely installed.
4. breaker of plastic casing according to claim 3, it is characterised in that：Further include two protrusive boards (55), two protrusive boards
(55) it is separately positioned on the side wall of end of two the second templates (52) far from bending plate (54) and stretches into the U of static contact (4)
In the U-shaped opening of template (44).
5. breaker of plastic casing according to claim 1, it is characterised in that：Shell (1) matches with pedestal (2) and forms modeling
The shell structure of case circuit breaker, the pedestal (2) is interior to be equipped with multiple contact chambers (21), is equipped with and connects in the end of contact chamber (21)
Line chamber (23) is equipped with backing plate (11) on the bottom plate (43), and the trepanning with backing plate (11) is equipped on bottom plate (43)
(112) the shape slot (431) being correspondingly arranged, the bottom surface inner wall of the contact chamber (21) are equipped with convex ribs (22), the convex ribs (22)
Bottom plate (43) and backing plate (11) are worn by shape slot (431) and trepanning (112) and the bottom surface of the bending plate (54) of magnetic blow-out (5) offsets
It connects, and the inclined-plane (211) identical with the angle that bending plate (54) is bent is equipped on the end face of convex ribs (22), so that
Gapless contact is matched between the tilting section (452) of convex ribs (22), bending plate (54) and static contact panel (45) after magnetic blow-out (5) assembling
It closes.
6. breaker of plastic casing according to claim 1, it is characterised in that：The static contact (4) further includes terminal plate
(41), connecting plate (42) and U-shaped board (44), one end of the terminal plate (41) be located at the end of the pedestal (2) of shell structure and with
The wire connection terminal (3) of shell structure is oppositely arranged, and the other end of terminal plate (41) is connected and is in down with one end of connecting plate (42)
" L " shape structure, the other end of the connecting plate (42) is connected with one end of bottom plate (43) and L-shaped structure causes bottom plate (43)
It is arranged in parallel with terminal plate (41) dislocation, the other end of the bottom plate (43) is connected with one end of U-shaped board (44), described U-shaped
The other end of plate (44) is connected with static contact panel (45) makes bottom plate (43) be spaced with static contact panel (45)；
The static contact panel (45) includes end to end flat segments (451) and tilting section (452), the flat segments (451)
Both ends are connected respectively with U-shaped board (44) and tilting section (452), and the tilting section (452) is from U-shaped board (44) to bottom plate (43)
It is obliquely installed and extends to the surface of bottom plate (43).
7. breaker of plastic casing according to claim 1, it is characterised in that：The insulating boot (7) is sleeved on bottom plate (43)
On, one end of insulating boot (7) covers the U-shaped board (44) of static contact (4) and the flat segments (451) of static contact panel (45), the other end
The connecting plate (42) of static contact (4) is covered and is oppositely arranged, and insulating boot with the end of the terminal plate (41) of static contact (4)
(7) run-on tab (9) of the tilting section (452) of static contact panel (45), silver contact (6) and breaker is exposed.
8. breaker of plastic casing according to claim 7, it is characterised in that：The insulating boot (7) including front cover shell (71),
Side shield (72), mounting portion (73) and rear casing (74), the outer of the rear casing (74) and U-shaped board (44) be oppositely arranged by
U-shaped board (44) cover, the front cover shell (71) be connected with rear casing (74) and along static contact panel (45) tilting section (452) and
The outer setting of magnetic blow-out (5) covers tilting section (452) and magnetic blow-out (5), side wall of the side shield (72) along bottom plate (43)
It sets and is connected with front cover shell (71) and rear casing (74), the mounting portion (73) is arranged on the bottom of side shield (72) simultaneously
It is matched with bottom plate (43).
9. breaker of plastic casing according to claim 8, it is characterised in that：The front cover shell (71) is set including L-shaped
The vertical baffle (711) and horizontal baffle (712) put, the vertical baffle (711) side wall, the magnetic with static contact panel (45) respectively
The side wall for blowing the side wall of first template (51) of (5) and two the second templates (52) of magnetic blow-out (5) is disposed adjacent, the level
Baffle (712) is disposed adjacent with the upper surface of the third template (53) of magnetic blow-out (5) so that side shield (72) is positioned at third template
(53) outside.
10. breaker of plastic casing according to claim 1, it is characterised in that：Further include backing plate (11), the backing plate (11)
On bottom plate (43), the bottom of the magnetic blow-out (5) is located on backing plate (11), and backing plate (11) includes substrate (111), in substrate
(111) middle part is equipped with trepanning (112), is equipped with what is be oppositely arranged with the side wall of bottom plate (43) both sides in the both sides of substrate (111)
Side (113) is equipped with wraping plate (114) in the end of substrate (111) one end, and the wraping plate (114) is positioned at the U-shaped of static contact (4)
In the U-shaped opening of plate (44), magnetic blow-out (5) is placed on substrate (111) and is oppositely arranged with trepanning (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721128873.6U CN207503896U (en) | 2017-09-06 | 2017-09-06 | Breaker of plastic casing |
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| CN201721128873.6U CN207503896U (en) | 2017-09-06 | 2017-09-06 | Breaker of plastic casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616390A (en) * | 2018-12-28 | 2019-04-12 | 天津京人电器有限公司 | A kind of multipole switch |
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2017
- 2017-09-06 CN CN201721128873.6U patent/CN207503896U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109616390A (en) * | 2018-12-28 | 2019-04-12 | 天津京人电器有限公司 | A kind of multipole switch |
| CN109616390B (en) * | 2018-12-28 | 2021-10-26 | 天津京人电器有限公司 | Multi-pole switch |
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