CN106206182A - A kind of protection valve mechanism of plug-in breaker of plastic casing - Google Patents
A kind of protection valve mechanism of plug-in breaker of plastic casing Download PDFInfo
- Publication number
- CN106206182A CN106206182A CN201610652546.4A CN201610652546A CN106206182A CN 106206182 A CN106206182 A CN 106206182A CN 201610652546 A CN201610652546 A CN 201610652546A CN 106206182 A CN106206182 A CN 106206182A
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- breaker
- plastic casing
- plug
- box
- shutter
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- 230000007246 mechanism Effects 0.000 title claims abstract description 93
- 229920003023 plastic Polymers 0.000 title claims abstract description 76
- 239000004033 plastic Substances 0.000 title claims abstract description 76
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010276 construction Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 230000008901 benefit Effects 0.000 description 10
- 238000000465 moulding Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010014405 Electrocution Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The present invention relates to the protection valve mechanism of a kind of plug-in breaker of plastic casing, including mechanism's box, valve assembly；Valve assembly includes shutter, ejecting mechanism；When breaker of plastic casing body is plugged on breaker of plastic casing plug-in base, the shutter on valve assembly is positioned at mechanism's box；When breaker of plastic casing body pulls away breaker of plastic casing plug-in base, the shutter on valve assembly is extend out to outside mechanism's box by ejecting mechanism and shelters from the contact that breaker of plastic casing plug-in base inlet wire side is exposed.The invention has the beneficial effects as follows: by shutter, mechanism's box, the effect of ejecting mechanism, make after breaker of plastic casing body is extracted breaker of plastic casing plug-in base, by promoting ejecting mechanism by outside shutter ejecting mechanism box, and the contact exposing breaker of plastic casing plug-in base inlet wire side blocks, thus avoid operator and threat of getting an electric shock occurs, in addition the present invention is also equipped with simple in construction, easy to operate feature.
Description
Technical field
The present invention relates to switchgear assembly and control apparatus field, particularly relating to the anti-of a kind of plug-in breaker of plastic casing
Protect valve mechanism.
Background technology
Current fixed interval formula low-voltage complete switch equipment commonly used plug-in breaker of plastic casing, it is by moulding shell open circuit
Device body and plug-in base composition.The advantage of the type chopper is, when needs carry out repair and maintenance work to chopper
Time, breaker body can be taken off from plug-in base by operator easily.But shell open circuit will be moulded operator
After device body extracts plug in support, the contact on base can expose, and wherein inlet wire side contact is charged, and this naturally there are
Potential safety hazard, has threatened the life security of operator greatly.
Summary of the invention
The technical problem to be solved is to provide a kind of inserts breaker of plastic casing body is extracted breaker of plastic casing
The contact that can expose breaker of plastic casing plug-in base inlet wire side after pulling out formula base protects, thus avoids operator
The protection valve mechanism threatened that gets an electric shock occurs.
The technical scheme is that the protection valve machine of a kind of plug-in breaker of plastic casing
Structure, including mechanism's box, valve assembly；Valve assembly is arranged in the internal cavities of mechanism's box；Valve assembly includes shutter, top
Go out mechanism；When breaker of plastic casing body is plugged on breaker of plastic casing plug-in base, the shutter on valve assembly is positioned at
In mechanism's box；When breaker of plastic casing body pulls away breaker of plastic casing plug-in base, the shutter on valve assembly is by top
Go out mechanism extend out to outside mechanism's box and shelter from the contact that breaker of plastic casing plug-in base inlet wire side is exposed.
The invention has the beneficial effects as follows: by shutter, mechanism's box, the effect of ejecting mechanism so that shell open circuit will moulded
After device body extracts breaker of plastic casing plug-in base, by promote ejecting mechanism by outside shutter ejecting mechanism box, and to moulding shell
The contact that chopper plug-in base inlet wire side is exposed blocks, thus avoids operator and threat of getting an electric shock occur, in addition
The present invention is also equipped with simple in construction, easy to operate feature.
On the basis of technique scheme, the present invention can also do following improvement.
Further, valve assembly also includes limiting plate, handle, four walking mechanisms；Limiting plate is the most corresponding with shutter
The both sides being fixed on handle；Mechanism's box is run through in the upper end of handle；Two walking mechanisms it are equipped with on limiting plate and shutter.
Use and above-mentioned further provide the benefit that: realize moving left and right and stroke spacing of valve assembly.
Further, mechanism's box includes box body, box plate；The lower ending opening of box body, box plate is arranged on the opening of box body；
Box body includes roof, left side wall, right side wall, front side wall, rear wall；Roof is being provided with fixed plate at right side wall；Left side wall
Height more than the height of right side wall；The height of right side wall is more than or equal to the height of fixed plate；It is fixed on box plate at box body
After on, formed respectively between right side wall and box plate and between fixed plate and box plate facilitate shutter to pass first cross groove and
Second crosses groove.
Use and above-mentioned further provide the benefit that: facilitate shutter to realize blocking, and guarantee stability.
Further, ejecting mechanism includes screw rod and stage clip；One end of screw rod is fixed on left side wall, and the other end of screw rod is solid
It is scheduled in fixed plate；Screw rod runs through limiting plate and shutter；Compression spring sleeve is located on the screw rod between left side wall and limiting plate.
Use and above-mentioned further provide the benefit that: realize the release of shutter, simple in construction.
Further, on roof, relevant position is provided with the gathering sill matched with handle.
Use and above-mentioned further provide the benefit that: limit the active strokes of handle, and then also limit the row of shutter
Journey.
Further, the shape of cross section of shutter is J font；Shutter includes the second base portion, the upper end of the second base portion and
Lower end all bends towards the direction being perpendicular to the second base portion, forms the 3rd kink and the 4th kink respectively；4th is curved
The length of folding part is more than the length of the 3rd kink.
Use and above-mentioned further provide the benefit that: can realize breaker of plastic casing plug-in base inlet wire side is exposed
Contact blocks, and can play again spacing effect.
Further, the shape of cross section of limiting plate is U-shaped；Limiting plate includes the first base portion, the upper end of the first base portion and
Lower end all bends towards the direction being perpendicular to the first base portion, forms the first kink and the second kink respectively.
Use and above-mentioned further provide the benefit that: play spacing effect.
Further, the relevant position of right side wall is provided with the through hole matched with screw rod.
Use and above-mentioned further provide the benefit that: facilitate screw rod to be fixed in fixed plate.
Further, the end of the 4th kink is enclosed with security bar.
Use and above-mentioned further provide the benefit that: be prevented from shutter damage breaker of plastic casing body.
Further, the 4th kink is provided with alarming sign.
Use and above-mentioned further provide the benefit that: remind operator to note having electricity dangerous.
Accompanying drawing explanation
Fig. 1 is the structural representation of the protection valve mechanism of plug-in breaker of plastic casing of the present invention；
Fig. 2 is the structural representation after Fig. 1 is installed to breaker of plastic casing plug-in base；
Fig. 3 is the top view that Fig. 2 is installed to after breaker of plastic casing plug-in base；
Fig. 4 is the structural representation after Fig. 2 pulls out plastics breaker body；
Fig. 5 is the top view after Fig. 4 pulls out plastics breaker body.
In accompanying drawing, the list of parts representated by each label is as follows:
1, installing plate, 2, mechanism's box, 210, box body, 211, roof, 212, left side wall, 213, right side wall, 214, fixed plate,
215, first crossing groove, 216, second crosses groove, and 217, through hole, 218, gathering sill, 220, box plate, 3, valve assembly, 310, spacing
Plate, the 311, first base portion, the 312, first kink, the 313, second kink, 320, shutter, the 321, second base portion, 322,
Three kinks, the 323, the 4th kink, 330, handle, 4, screw rod, 5, stage clip, 6, walking mechanism, 610, pulley, 620, install
Seat, 7, security bar, 8, alarming sign, 9, breaker of plastic casing plug-in base, 10, plastics breaker body.
Detailed description of the invention
Being described principle and the feature of the present invention below in conjunction with accompanying drawing, example is served only for explaining the present invention, and
Non-for limiting the scope of the present invention.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, the protection valve mechanism of a kind of plug-in breaker of plastic casing, including mechanism
Box 2, valve assembly 3；Valve assembly 3 is arranged in the internal cavities of mechanism's box 2；Valve assembly 3 includes shutter 320, ejects
Mechanism；In the present embodiment, the protection valve mechanism of the plug-in breaker of plastic casing installed for convenience, insert at breaker of plastic casing
Pull out formula base 9 inlet wire side and one piece of installing plate 1 be installed, the protection valve mechanism of plug-in breaker of plastic casing be fixed on installing plate 1
On；When mounted, the upper surface of installing plate 1 breaker of plastic casing to be less than plug-in base 9 inlet wire side, and plug-in mould shell
After the protection valve mechanism of chopper installs, do not affect the turnover of shutter 320.
As shown in Figure 1, Figure 2, Figure 4 shows, the plastics breaker body 10 pulled out on breaker of plastic casing plug-in base 9 it
Before, shutter 320 is against in mechanism's box 2 by plastics breaker body 10, and plastics breaker body 10 plays position-limiting action, when moulding
After plastics breaker body 10 on case circuit breaker plug-in base 9 pulls away, ejecting mechanism promotes valve assembly 3 to break towards moulding shell
Road device plug-in base 9 moves, and shutter 320 is followed valve assembly 3 and moved simultaneously, and shutter 320 is through mechanism's box 2, and hides
Blocking the contact of breaker of plastic casing plug-in base 9 inlet wire side, after motion puts in place, valve assembly 3 has then been against on mechanism's box 2,
Avoid the generation of the situation of overtravel.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, valve assembly 3 also includes following structure: valve assembly 3 also includes spacing
Plate 310, handle 330；The both sides being fixed on handle 330 that limiting plate 310 and shutter 320 are corresponding respectively；The upper end of handle 330
Run through mechanism's box 2, and handle 330 extends to outside mechanism's box 2；The motion of valve assembly 3 for convenience, in limiting plate 310 and screening
Even number walking mechanism 6 it is respectively mounted on baffle plate 320；And in the present embodiment, limiting plate 310 and shutter 320 are respectively mounted two
Walking mechanism 6.In addition during promoting handle 330, injured situation occurs in order to avoid operator, handle 330 wraps
Wrap up in security bar 7.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, the motion of valve assembly 3 for convenience, the in the present embodiment tool of mechanism's box 2
Body structure is as follows: mechanism's box 2 includes box body 210, box plate 220；The lower ending opening of box body 210, box plate 220 is arranged on box body
The opening of 210；Box plate 220 is connected away from side and the installing plate 1 of box body 210 is fixing, and its fixed form can be bonding,
Can also be to use bolt or screw to connect；Box body 210 includes roof 211, left side wall 212, right side wall 213, front side wall, rear side
Wall；Roof 211 is being provided with fixed plate 214 at right side wall 213；The height of left side wall 212 is more than the height of right side wall 213；
The height of right side wall 213 is more than or equal to the height of fixed plate 214, the height of the most so-called left side wall 212, the right side
The height of sidewall 213, the height of fixed plate 214, refer respectively to left side wall 212 away between one end and the roof 211 of roof 211
Distance, right side wall 213 is away from the distance between one end and the roof 211 of roof 211, and fixed plate 214 is away from the one of roof 211
Distance between end and roof 211；After box body 210 is fixed on box plate 220, between right side wall 213 and box plate 220 and
Form the first groove 215 and second excessively between fixed plate 214 and box plate 220 respectively and cross groove 216.
As shown in Figure 1, Figure 2, Figure 4 shows, the passing, by the height of right side wall 213 of shutter 320 the most for convenience
Degree and fixed plate 214 height design the height less than left side wall 212 so that between right side wall 213 and box plate 220 and consolidate
Determine between plate 214 and box plate 220, to form the first groove 215 and second excessively respectively and cross groove 216；Man-hour is added, not in actual production
Get rid of the height equal to left side wall 212 height of right side wall 213 and the height of fixed plate 214 designed, equal at height
In the case of, all offer with the relevant position of fixed plate 214 in the relevant position of right side wall 213 together with cross groove, the mistake wherein offered
Groove can meet the most current of shutter 320.
As shown in Figure 1, Figure 2, Figure 4 shows, the concrete structure of ejecting mechanism is as follows in the present embodiment: ejecting mechanism includes screw rod
4 and stage clip 5；One end of screw rod 4 is fixed on left side wall 212, and the other end of screw rod 4 is fixed in fixed plate 214；Screw rod 4 passes through
Wear limiting plate 310 and shutter 320；Stage clip 5 is set on the screw rod 4 between left side wall 212 and limiting plate 310；For convenience
Screw rod 4 is fixed in fixed plate 214, offers through hole 217 in the relevant position of right side wall 213, and then after facilitating screw rod 4 to pass
It is fixed in fixed plate 214.In addition in the present embodiment, why arranging fixed plate 214 on roof 211, its main cause is
In order to avoid loss breaker of plastic casing body 10, if screw rod 4 is fixed on right side wall 213, it is overhanging that screw rod 4 must have part,
So when installing breaker of plastic casing body 10, easily loss breaker of plastic casing body 10.
As shown in Figure 1, Figure 2, Figure 4 shows, the concrete structure of limiting plate 310 is as follows: limiting plate 310 includes the first base portion 311, the
The top and bottom of one base portion 311 all bend towards the direction being perpendicular to the first base portion 311, form the first kink respectively
312 and second kink 313.The Main Function that limiting plate 310 is played in the present invention is auxiliary handle 330 and gathering sill
218 play the most spacing effect, and therefore, limiting plate 310 is when actual production uses, it is also possible to be designed to shape of cross section
For structure or the structure that shape of cross section is L font of J font, certainly it is not precluded from other equivalents or similar structure.At this
In embodiment, limiting plate 310 is to use an entire plate to carry out bending forming or integrated injection molding, it is not excluded that utilize plurality of plates
Carry out spicing forming type.
As shown in Figure 1, Figure 2, Figure 4 shows, the concrete structure of shutter 320 is as follows: the shape of cross section of shutter 320 is J word
Type；Shutter 320 includes the second base portion 321, and the top and bottom of the second base portion 321 are all towards being perpendicular to the second base portion 321
Direction bends, and forms the 3rd kink 322 and the 4th kink 323 respectively；The length of the 4th kink 323 is more than the 3rd
The length of kink 322.The length of the 4th kink 323 is the machine that reaches for convenience more than the length of the 3rd kink 322
Outside structure box 2, its concrete length can meet shutter 320 when moving to low order end, and the 4th kink 323 can completely shelter from and mould
The contact that case circuit breaker plug-in base 9 inlet wire side is exposed, must meet shutter 320 when moving to high order end certainly, and the 4th
Kink 323 can be received in mechanism's box 2 completely, does not affect breaker of plastic casing body 10 and is plugged into breaker of plastic casing plug-in
On base 9.3rd kink 322 also acts position-limiting action in the present embodiment, when shutter 320 moves to low order end,
The end of the 3rd kink 322 can be against fixed plate 214.
As shown in Figure 1, Figure 2, Figure 4 shows, the 4th kink after walking mechanism 6 is arranged on shutter 320 or limiting plate 310
The groove that the height of the upper surface of 323 and the upper surface distance box plate 220 of the second kink 313 crosses groove 215 less than first is high, enters
And when utilizing handle 330 to push away, the 4th kink 323 can be good at process in first excessively groove 215, second groove 216 excessively, and
Shelter from the contact of breaker of plastic casing plug-in base 9 inlet wire side.The height of the 4th kink 323 lower surface distance box plate 220
Between degree is for 5mm to 20mm, its height value suitably can regulate along with the thickness of the 4th kink 323, e.g., when the 4th is curved
When the thickness of folding part 323 is 5mm, its height value can be 7mm, when the thickness of the 4th kink 323 is 8mm, and its height value
Can be 6mm.In addition in order to prevent electrocution conditions, the present embodiment use non-metallic material make, such as plastics.
As shown in Figure 1, Figure 2, Figure 5, in the present embodiment in order to control the stroke of shutter 320, corresponding on roof 211
Position is provided with the gathering sill 218 matched with handle 330, and the length that gathering sill 218 is offered is the stroke of shutter 320,
As shown in Fig. 1, Fig. 3, Fig. 5.When shutter 320 is carried out at the contact not exposed breaker of plastic casing plug-in base 9 inlet wire side
When blocking, handle 330 is positioned at the high order end of gathering sill 218, when shutter 320 is to breaker of plastic casing plug-in base 9 inlet wire side
When the contact exposed blocks, handle 330 is positioned at the low order end of gathering sill 218.Moving outside shutter 320 exposure mechanism box 2
Power derives from stage clip 5 elastic force, and the computing formula of stage clip 5 elastic force is F=kx, and wherein k is coefficient of elasticity, and x is elongation or contraction
Amount, removes to block the contact of breaker of plastic casing plug-in base 9 inlet wire side to not affect shutter 320, and handle 330 runs to
During right-hand member, stage clip 5 is still in compressive state, if spring is in extended state, shutter 320 will be pulled back by stage clip 5, thus
Causing shutter 320 cannot block the contact of breaker of plastic casing plug-in base 9 inlet wire side, therefore the decrement of stage clip 5 wants big
In the length value of gathering sill 218, excessive or too small in order to avoid the elastic force of stage clip 5 in addition, and cause shutter 320 to move right speed
Spend soon or the slowest, between the decrement 20mm to 50mm bigger than the length value of gathering sill 218 of stage clip 5.Handle 330 runs to the right side
During end, if the elastic force of stage clip 5 is too small, shutter 320 is easy to the left lateral collided, if the elastic force of stage clip 5 is excessive, and handle 330
It is difficult to again be promoted to the right, causes the shutter 320 troublesome problem of return.
As it is shown in figure 1, in order to prevent shutter 320 from breaker of plastic casing body 10 is caused damage, at the of shutter 320
The end parcel security bar 7 of four kinks 323, so when shutter 320 strikes breaker of plastic casing body 10, security bar 7
Good protective action can be played.
As it is shown in figure 5, have electricity dangerous to remind operator to note, the 4th kink 323 is pasted alarming sign
8, after the 4th kink 323 of shutter 320 stretches out, operator can be clearly seen that alarming sign 8.
As shown in Figure 1 and Figure 2, installing limiting plate 310 and shutter 320 for convenience, limiting plate 310 is installing vehicle with walking machine
Whole height after structure 6 is less than the height of left side wall 212；The shutter 320 whole height after installing walking mechanism 6 is less than a left side
The height of sidewall 212.
As shown in Figure 1, Figure 2, Figure 4 shows, the concrete structure of walking mechanism 6 is in the present embodiment: walking mechanism 6 includes pulley
610 and mounting seat 620, pulley 610 is connected with mounting seat 620 by rotating shaft, and mounting seat 620 is then arranged on limiting plate 310
The second kink 313 on or the 4th kink 323 of shutter 320 on.The connected mode used is bonding or screw connects.
The assembly method of the protection valve mechanism of a kind of plug-in breaker of plastic casing, comprises the steps:
Step one, limiting plate 310, handle 330, shutter 320 are adopted and be fixed on one in welded or bolted way
Rise, and handle 330 be between limiting plate 310 and shutter 320, then on limiting plate 310, fix two walking mechanisms 6,
Shutter 320 is fixed two walking mechanisms 6；
Step 2, the entirety that described step one is completed is put in mechanism's box 2, and handle 330 is by mechanism's box 2
On gathering sill 218 reach outside mechanism's box 2；
Step 3, screw rod 4 is extend in mechanism's box 2 by the through hole 217 on mechanism's box 2 away from one end of nut, allow
Screw rod 4 sequentially passes through shutter 320 and limiting plate 310, and the part after screw rod 4 runs through limiting plate 310 is overlapped compression spring 5,
Last screw rod 4 runs through the left end of mechanism's box 2 again, wherein and on the stage clip 5 screw rod 4 between mechanism's box 2 and limiting plate 310,
After screw rod 4 runs through the left end of mechanism's box 2, utilize nut check；
Step 4, overall being fixed on installing plate 1 that step 3 is completed.
The protection valve mechanism of the plug-in breaker of plastic casing of the present invention, by shutter 320, mechanism's box 2, ejecting mechanism
Effect so that after breaker of plastic casing body 10 is extracted breaker of plastic casing plug-in base 9, by promote ejecting mechanism will hide
Outside baffle plate 320 ejecting mechanism box 2, and the contact exposing breaker of plastic casing plug-in base 10 inlet wire side blocks, thus
Avoiding operator and threat of getting an electric shock occur, the present invention is also equipped with simple in construction, easy to operate feature in addition.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward ", " up time
Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc.
Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be that machinery connects
Connect, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements
The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art
For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example
Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, revises, replaces and modification.
Claims (10)
1. the protection valve mechanism of a plug-in breaker of plastic casing, it is characterised in that include mechanism's box (2), valve assembly
(3)；Described valve assembly (3) is arranged in the internal cavities of described mechanism box (2)；Described valve assembly (3) includes shutter
(320), ejecting mechanism；When breaker of plastic casing body (10) is plugged on breaker of plastic casing plug-in base (9), described valve
Shutter (320) on assembly (3) is positioned at described mechanism box (2)；When breaker of plastic casing body (10) pulls away breaker of plastic casing
During plug-in base (9), the shutter (320) on described valve assembly (3) by ejecting mechanism extend out to mechanism's box (2) outward,
And shelter from the contact that described breaker of plastic casing plug-in base (9) inlet wire side is exposed.
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 1, it is characterised in that described work
Door assembly (3) also includes limiting plate (310), handle (330), four walking mechanisms (6)；Described limiting plate (310) and shutter
(320) both sides being fixed on described handle (330) corresponding respectively；Described mechanism box is run through in the upper end of described handle (330)
(2)；Two described walking mechanisms (6) it are equipped with on described limiting plate (310) and shutter (320).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 2, it is characterised in that described machine
Structure box (2) includes box body (210), box plate (220)；The lower ending opening of described box body (210), described box plate (220) is arranged
Opening in described box body (210)；Described box body (210) includes roof (211), left side wall (212), right side wall (213), front
Sidewall, rear wall；Described roof (211) is being provided with fixed plate (214) near described right side wall (213) place；Described left side wall
(212) height is more than the height of described right side wall (213)；The height of described right side wall (213) is fixing more than or equal to described
The height of plate (214)；After described box body (210) is fixed on described box plate (220), described right side wall (213) is with described
Formed respectively between box plate (220) and between described fixed plate (214) and described box plate (220) and facilitate shutter (320)
First passed crosses groove (215) and second and crosses groove (216).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 3, it is characterised in that described top
Go out mechanism and include screw rod (4) and stage clip (5)；One end of described screw rod (4) is fixed on described left side wall (212), described screw rod
(4) the other end is fixed in described fixed plate (214)；Described screw rod (4) runs through limiting plate (310) and shutter (320)；Institute
State stage clip (5) to be set on the screw rod (4) between described left side wall (212) and described limiting plate (310).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 3, it is characterised in that described top
The upper relevant position of wall (211) is provided with the gathering sill (218) matched with described handle (330).
6., according to the protection valve mechanism of described a kind of plug-in breaker of plastic casing arbitrary in Claims 1-4, its feature exists
In, the shape of cross section of described shutter (320) is J font；Described shutter (320) includes the second base portion (321), described
The top and bottom of two base portions (321) all bend towards the direction being perpendicular to the second base portion (321), form the 3rd respectively curved
Folding part (322) and the 4th kink (323)；The length of described 4th kink (323) is more than described 3rd kink (322)
Length.
7. according to the protection valve mechanism of a kind of plug-in breaker of plastic casing described in claim 2 or 4, it is characterised in that institute
The shape of cross section stating limiting plate (310) is U-shaped；Described limiting plate (310) includes the first base portion (311), described first base
The top and bottom in portion (311) all bend towards the direction being perpendicular to the first base portion (311), form the first kink respectively
(312) and the second kink (313).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 4, it is characterised in that the described right side
The relevant position of sidewall (213) is provided with the through hole (217) matched with described screw rod (4).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 6, it is characterised in that described
Security bar (7) it is enclosed with on the end of four kinks (323).
The protection valve mechanism of a kind of plug-in breaker of plastic casing the most according to claim 6, it is characterised in that described
4th kink (323) is provided with alarming sign (8).
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| CN201610652546.4A CN106206182B (en) | 2016-08-10 | 2016-08-10 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
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| CN201610652546.4A CN106206182B (en) | 2016-08-10 | 2016-08-10 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
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| CN106206182A true CN106206182A (en) | 2016-12-07 |
| CN106206182B CN106206182B (en) | 2018-07-20 |
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| CN201610652546.4A Active CN106206182B (en) | 2016-08-10 | 2016-08-10 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109712848A (en) * | 2018-11-18 | 2019-05-03 | 温州市国通电器有限公司 | A kind of operating mechanism of power distribution cabinet New Low Voltage breaker of plastic casing |
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| CN105356350A (en) * | 2015-11-13 | 2016-02-24 | 浙江圣曦电气股份有限公司 | Insulated protector in universal breaker |
| CN205248691U (en) * | 2015-12-31 | 2016-05-18 | 常熟开关制造有限公司(原常熟开关厂） | Drawout breaker |
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| CN1046811A (en) * | 1989-04-25 | 1990-11-07 | 西屋电气公司 | Two bracket latch of circuit breaker, handle baffle plate locking insert and cover interlock |
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| CN109712848A (en) * | 2018-11-18 | 2019-05-03 | 温州市国通电器有限公司 | A kind of operating mechanism of power distribution cabinet New Low Voltage breaker of plastic casing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106206182B (en) | 2018-07-20 |
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Denomination of invention: Protective valve mechanism of plug-pull molded case circuit breaker Effective date of registration: 20180906 Granted publication date: 20180720 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI SENYUAN CENTURY ELECTRIC GROUP CO.,LTD. Registration number: 2018420000044 |
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Denomination of invention: Protective valve mechanism of plug-pull molded case circuit breaker Effective date of registration: 20200727 Granted publication date: 20180720 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI SENYUAN CENTURY ELECTRIC GROUP Co.,Ltd. Registration number: Y2020420000045 |
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