CN106206182B - 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
- CN106206182B CN106206182B CN201610652546.4A CN201610652546A CN106206182B CN 106206182 B CN106206182 B CN 106206182B CN 201610652546 A CN201610652546 A CN 201610652546A CN 106206182 B CN106206182 B CN 106206182B
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- breaker
- plastic casing
- shutter
- plug
- box
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- 230000007246 mechanism Effects 0.000 title claims abstract description 92
- 229920003023 plastic Polymers 0.000 title claims abstract description 84
- 239000004033 plastic Substances 0.000 title claims abstract description 84
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 41
- 238000005452 bending Methods 0.000 claims description 40
- 230000006835 compression Effects 0.000 claims description 18
- 238000007906 compression Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000006378 damage 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
- 230000001681 protective effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 206010014405 Electrocution Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 208000014674 injury Diseases 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
- 238000000034 method Methods 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
- 230000008439 repair process 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 a kind of protection valve mechanisms of plug-in breaker of plastic casing, including mechanism box, valve assembly；Valve assembly includes shutter, ejecting mechanism；When breaker of plastic casing ontology is plugged on breaker of plastic casing plug-in pedestal, the shutter on valve assembly is located in mechanism box；When breaker of plastic casing ontology pulls away breaker of plastic casing plug-in pedestal, the shutter on valve assembly is extend out to outside mechanism box by ejecting mechanism and shelters from the exposed contact of breaker of plastic casing plug-in pedestal enter line side.The beneficial effects of the invention are as follows：Pass through the effect of shutter, mechanism box, ejecting mechanism, so that after breaker of plastic casing ontology is extracted breaker of plastic casing plug-in pedestal, it will be outside shutter ejecting mechanism box by promotion ejecting mechanism, and exposed contact blocks to breaker of plastic casing plug-in pedestal enter line side, occur getting an electric shock so as to avoid operating personnel and threaten, in addition the present invention is also equipped with simple in structure, easy to operate feature.
Description
Technical field
The present invention relates to the anti-of switchgear assembly and control device field more particularly to a kind of plug-in breaker of plastic casing
Protect valve mechanism.
Background technology
Current fixed intervals formula low-voltage complete switch equipment generally uses plug-in breaker of plastic casing, by plastic housing open circuit
Device ontology and plug-in pedestal composition.The advantage of the type breaker is, when needing to carry out repair and maintenance work to breaker
When, operating personnel can easily remove breaker body from plug-in pedestal.But it is in operating personnel that plastic housing is breaking
Device ontology extract plug in support after, the contact on pedestal can expose, wherein enter line side contact be electrification, this naturally there are
Great security risk has threatened the life security of operating personnel.
Invention content
Technical problem to be solved by the invention is to provide one kind to insert by breaker of plastic casing ontology extraction breaker of plastic casing
Pull out after formula pedestal can the contact exposed to breaker of plastic casing plug-in pedestal enter line side protect, to avoid operating personnel
There is the protection valve mechanism threatened that gets an electric shock.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of protection valve machine of plug-in breaker of plastic casing
Structure, including mechanism box, valve assembly；Valve assembly is arranged in the internal cavities of mechanism box；Valve assembly includes shutter, top
Go out mechanism；When breaker of plastic casing ontology is plugged on breaker of plastic casing plug-in pedestal, the shutter on valve assembly is located at
In mechanism box；When breaker of plastic casing ontology pulls away breaker of plastic casing plug-in pedestal, the shutter on valve assembly passes through top
Go out mechanism and extend out to outside mechanism box and shelter from the exposed contact of breaker of plastic casing plug-in pedestal enter line side, and shutter hides
The end for keeping off the part of the exposed contact of breaker of plastic casing plug-in pedestal enter line side is enclosed with security bar.
The beneficial effects of the invention are as follows：Pass through the effect of shutter, mechanism box, ejecting mechanism so that plastic housing is breaking
After device ontology extracts breaker of plastic casing plug-in pedestal, by promotion ejecting mechanism by outside shutter ejecting mechanism box, and to plastic housing
The exposed contact of breaker plug-in pedestal enter line side is blocked, and occurring getting an electric shock so as to avoid operating personnel threatens, in addition
The present invention is also equipped with feature simple in structure, easy to operate；When shutter strikes breaker of plastic casing ontology, security bar can
Good protective action is played, prevents from blocking dash-board injury breaker of plastic casing ontology.
Based on the above technical solution, the present invention can also be improved as follows.
Further, valve assembly further includes limiting plate, handle, four walking mechanisms；Limiting plate and shutter correspond to respectively
The both sides for being fixed on handle；Mechanism box is run through in the upper end of handle；Walking mechanism there are two being all provided on limiting plate and shutter.
It is using above-mentioned further advantageous effect：Realize valve assembly move left and right and the limit of stroke.
Further, mechanism box includes box body, box plate；The lower ending opening of box body, box plate are arranged in the open end of box body；
Box body includes roof, left side wall, right side wall, front side wall, rear wall；Roof is being equipped with fixed plate at right side wall；Left side wall
Height be more than right side wall height；The height of right side wall is greater than or equal to the height of fixed plate；It is fixed on box plate in box body
Facilitate shutter to pass through first is formed after upper, between right side wall and box plate crosses slot, formation side between fixed plate and box plate
Just the second mistake slot that shutter passes through.
It is using above-mentioned further advantageous effect：Facilitate shutter realization to block, and ensures stability.
Further, ejecting mechanism includes screw rod and compression spring；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 is set on the screw rod between left side wall and limiting plate.
It is using above-mentioned further advantageous effect：Realize the release of shutter, it is simple in structure.
Further, corresponding position is equipped with and the matched guide groove of handle on roof.
It is using above-mentioned further advantageous effect：The active strokes of handle are limited, and then also limit the row of shutter
Journey.
Further, the cross-sectional shape of shutter is J fonts；Shutter include the second base portion, the upper end of the second base portion and
Lower end is bent towards perpendicular to the direction of the second base portion, and third bending part and the 4th bending part are respectively formed；4th is curved
The length of folding part is more than the length of third bending part.
It is using above-mentioned further advantageous effect：It can realize exposed to breaker of plastic casing plug-in pedestal enter line side
Contact is blocked, and can play the role of limit.
Further, the cross-sectional shape of limiting plate is U-shaped；Limiting plate include the first base portion, the upper end of the first base portion and
Lower end is bent towards perpendicular to the direction of the first base portion, and the first bending part and the second bending part are respectively formed.
It is using above-mentioned further advantageous effect：Play the role of limit.
Further, the corresponding position of right side wall is equipped with and the matched through-hole of screw rod.
It is using above-mentioned further advantageous effect：Screw rod is facilitated to be fixed in fixed plate.
Further, the 4th bending part is equipped with alarming sign.
It is using above-mentioned further advantageous effect：Operating personnel are reminded to pay attention to there is electric danger.
Description of the drawings
Fig. 1 is the structural schematic diagram of the protection valve mechanism of plug-in breaker of plastic casing of the present invention；
Fig. 2 is that Fig. 1 is installed to the structural schematic diagram after breaker of plastic casing plug-in pedestal；
Fig. 3 is that Fig. 2 is installed to the vertical view after breaker of plastic casing plug-in pedestal；
Fig. 4 is that Fig. 2 pulls out the structural schematic diagram after plastics breaker body；
Fig. 5 is that Fig. 4 pulls out the vertical view after plastics breaker body.
In attached drawing, parts list represented by the reference numerals are as follows：
1, mounting plate, 2, mechanism box, 210, box body, 211, roof, 212, left side wall, 213, right side wall, 214, fixed plate,
215, first slot is crossed, 216, second crosses slot, and 217, through-hole, 218, guide groove, 220, box plate, 3, valve assembly, 310, limit
Plate, the 311, first base portion, the 312, first bending part, the 313, second bending part, 320, shutter, the 321, second base portion, 322,
Three bending parts, the 323, the 4th bending part, 330, handle, 4, screw rod, 5, compression spring, 6, walking mechanism, 610, pulley, 620, installation
Seat, 7, security bar, 8, alarming sign, 9, breaker of plastic casing plug-in pedestal, 10, plastics breaker body.
Specific implementation mode
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, a kind of protection valve mechanism 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 box 2；Valve assembly 3 includes shutter 320, ejection
Mechanism；In the present embodiment, the protection valve mechanism of plug-in breaker of plastic casing in order to facilitate the installation of is inserted in breaker of plastic casing
It pulls out 9 for enter line side of formula pedestal and one piece of mounting plate 1 is installed, the protection valve mechanism of plug-in breaker of plastic casing is fixed on mounting plate 1；
When mounted, mounting plate 1 will be less than the upper surface of 9 enter line side of breaker of plastic casing plug-in pedestal, and plug-in plastic housing it is disconnected
After the protection valve mechanism of road device installs, the disengaging of shutter 320 is not influenced.
As shown in Figure 1, Figure 2, Figure 4 shows, the plastics breaker body 10 on pulling out breaker of plastic casing plug-in pedestal 9 it
Before, shutter 320 is against in mechanism box 2 by plastics breaker body 10, and plastics breaker body 10 plays position-limiting action, works as modeling
After plastics breaker body 10 on case circuit breaker plug-in pedestal 9 pulls away, ejecting mechanism pushes valve assembly 3 disconnected towards plastic housing
Road device plug-in pedestal 9 moves, while shutter 320 follows valve assembly 3 to move, and shutter 320 passes through mechanism box 2, and hides
The contact of 9 enter line side of breaker of plastic casing plug-in pedestal is blocked, after movement in place, valve assembly 3 has then been against on mechanism box 2,
The generation for the case where avoiding overtravel.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, valve assembly 3 further includes such as lower structure：Valve assembly 3 further includes limit
Plate 310, handle 330；Limiting plate 310 and the corresponding both sides for being fixed on handle 330 of shutter 320；The upper end of handle 330
Through mechanism box 2, and handle 330 extends to outside mechanism box 2；In order to facilitate the movement of valve assembly 3, in limiting plate 310 and hide
Even number walking mechanism 6 is respectively mounted on baffle 320；And in the present embodiment, it is respectively mounted two on limiting plate 310 and shutter 320
Walking mechanism 6.In addition occur injured situation during pushing handle 330 in order to avoid operating personnel, wrapped on handle 330
Wrap up in security bar 7.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, in order to facilitate the movement of valve assembly 3, the tool of mechanism box 2 in the present embodiment
Body structure is as follows：Mechanism box 2 includes box body 210, box plate 220；The lower ending opening of box body 210, box plate 220 are arranged in box body
210 open end；Side of the box plate 220 far from box body 210 is fixedly connected with mounting plate 1, and fixed form can be bonding,
Can also be to be connected using bolt or screw；Box body 210 includes roof 211, left side wall 212, right side wall 213, front side wall, rear side
Wall；Roof 211 is being equipped 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 greater than or equal to the height of fixed plate 214, in the present embodiment the height of so-called left side wall 212, the right side
The height of side wall 213, the height of fixed plate 214, refer respectively between the one end of left side wall 212 far from roof 211 and roof 211
Distance, the distance between the one end of right side wall 213 far from roof 211 and roof 211, fixed plate 214 far from roof 211 one
The 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
It is respectively formed the first slot 215 and second excessively between fixed plate 214 and box plate 220 and crosses slot 216.
As shown in Figure 1, Figure 2, Figure 4 shows, shutter 320 passing through for convenience in the present embodiment, by the height of right side wall 213
The height less than left side wall 212 that the height of degree and fixed plate 214 designs so that between right side wall 213 and box plate 220 and solid
It is respectively formed the first slot 215 and second excessively between fixed board 214 and box plate 220 and crosses slot 216；When actual production is processed, not
The height equal to left side wall 212 for designing the height of the height of right side wall 213 and fixed plate 214 is excluded, it is equal in height
In the case of, opened up with the corresponding position of fixed plate 214 in the corresponding position of right side wall 213 together with cross slot, wherein the mistake opened up
Slot can meet the smooth passage 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 compression spring 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；Compression spring 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, through-hole 217 is opened up in the corresponding position of right side wall 213, and then after facilitating screw rod 4 to pass through
It is fixed in fixed plate 214.In addition in the present embodiment, why fixed plate 214 is set on roof 211, the main reason is that
In order to avoid losing breaker of plastic casing ontology 10, if screw rod 4 is fixed on right side wall 213, it is overhanging that screw rod 4 must have a part,
In this way when installing breaker of plastic casing ontology 10, it is easy loss breaker of plastic casing ontology 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 are bent towards perpendicular to the direction of the first base portion 311, and the first bending part is respectively formed
312 and second bending part 313.The main function that limiting plate 310 is played in the present invention is auxiliary handle 330 and guide groove
218 play the role of further limiting, and therefore, limiting plate 310 is in actual production in use, being also designed to cross-sectional shape
Structure or cross-sectional shape for J fonts are the structure of L fonts, other equivalent or similar structures are not precluded certainly.At this
Limiting plate 310 is to carry out bending forming or integrated injection molding using an entire plate in embodiment, it is not excluded that utilizes 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 cross-sectional shape of shutter 320 is J words
Type；Shutter 320 includes the second base portion 321, and the top and bottom of the second base portion 321 are towards perpendicular to the second base portion 321
Direction is bent, and third bending part 322 and the 4th bending part 323 are respectively formed；The length of 4th bending part 323 is more than third
The length of bending part 322.The length that the length of 4th bending part 323 is more than third bending part 322 is to reach machine for convenience
Outside structure box 2, when specific length can meet shutter 320 and move to right end, the 4th bending part 323 can shelter from modeling completely
The exposed contact of case circuit breaker plug-in 9 enter line sides of pedestal, when must meet shutter 320 certainly and moving to left end, the 4th
Bending part 323 can be completely received into mechanism box 2, do not influenced breaker of plastic casing ontology 10 and be plugged into breaker of plastic casing plug-in
On pedestal 9.Third bending part 322 also acts position-limiting action in the present embodiment, when shutter 320 moves to right end,
The end of third bending part 322 can be pressed against fixed plate 214.
As shown in Figure 1, Figure 2, Figure 4 shows, the 4th bending part after walking mechanism 6 is mounted on shutter 320 or limiting plate 310
The height of 323 upper surface and the upper surface of the second bending part 313 apart from box plate 220 is less than the first slot height for crossing slot 215, into
And when being pushed away using handle 330, the 4th bending part 323 can be good at crossing slot 215, second from first and crossing in slot 216 passing through, and
Shelter from the contact of 9 enter line side of breaker of plastic casing plug-in pedestal.Height of 4th bending part, 323 lower surface apart from box plate 220
Degree is 5mm between 20mm, and height value can suitably be adjusted with the thickness of the 4th bending part 323, e.g., when the 4th curved
When the thickness of folding part 323 is 5mm, height value can be 7mm, when the thickness of the 4th bending part 323 is 8mm, height value
Can be 6mm.In addition occur electrocution conditions in order to prevent, be made of non-metallic material in the present embodiment, such as plastics.
As shown in Figure 1, Figure 2, Figure 5, corresponding on roof 211 in the present embodiment in order to control the stroke of shutter 320
Position is equipped with 330 matched guide groove 218 of handle, and the length that guide groove 218 is opened up is the stroke of shutter 320,
As shown in Fig. 1, Fig. 3, Fig. 5.When shutter 320 is carried out in contact not exposed to breaker of plastic casing plug-in 9 enter line sides of pedestal
When blocking, handle 330 is located at the left end of guide groove 218, when shutter 320 is to 9 enter line side of breaker of plastic casing plug-in pedestal
When exposed contact is blocked, handle 330 is located at the right end of guide groove 218.It is dynamic outside 320 exposure mechanism box 2 of shutter
Power derives from 5 elastic force of compression spring, and the calculation formula of 5 elastic force of compression spring is F=kx, and wherein k is coefficient of elasticity, and x is elongation or contraction
Amount, goes the contact for blocking 9 enter line side of breaker of plastic casing plug-in pedestal, handle 330 to run to most in order to not influence shutter 320
When right end, compression spring 5 is still in compressive state, if spring is in tensional state, shutter 320 will be pulled back by compression spring 5, to
Cause shutter 320 that can not block the contact of 9 enter line side of breaker of plastic casing plug-in pedestal, therefore the decrement of compression spring 5 is big
In the length value of guide groove 218, in addition in order to avoid the elastic force of compression spring 5 is excessive or too small, and shutter 320 is caused to move right speed
Spend fast or excessively slow, the decrement of compression spring 5 is bigger 20mm than the length value of guide groove 218 between 50mm.Handle 330 runs to the right side
When end, if the elastic force of compression spring 5 is too small, shutter 320 is easy to the left lateral collided, if the elastic force of compression spring 5 is excessive, handle 330
It is difficult to be pushed to the right again, the problem for causing 320 return of shutter to bother.
As shown in Figure 1, shutter 320 causes to damage to breaker of plastic casing ontology 10 in order to prevent, the of shutter 320
Wrap up security bar 7, in this way when shutter 320 strikes breaker of plastic casing ontology 10, security bar 7 in the end of four bending parts 323
Good protective action can be played.
As shown in figure 5, in order to remind operating personnel to pay attention to there is electric danger, alarming sign is pasted on the 4th bending part 323
8, after the 4th bending part 323 of shutter 320 stretches out, operating personnel can be clearly seen that alarming sign 8.
As shown in Figure 1 and Figure 2, limiting plate 310 and shutter 320, limiting plate 310 are installing vehicle with walking machine in order to facilitate the installation of
Whole height after structure 6 is less than the height of left side wall 212；Whole height of the shutter 320 after installing walking mechanism 6 is less than a left side
The height of side wall 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 base 620, pulley 610 be connected with mounting base 620 by shaft, and mounting base 620 then be mounted on limiting plate 310
The second bending part 313 on or the 4th bending part 323 of shutter 320 on.The connection type used is bonding or screw connection.
A kind of assembly method of the protection valve mechanism of plug-in breaker of plastic casing, includes the following steps：
Step 1: adopting and being fixed on one in welded or bolted way limiting plate 310, handle 330, shutter 320
It rises, and handle 330 is between limiting plate 310 and shutter 320, then fixes two walking mechanisms 6 on limiting plate 310,
Two walking mechanisms 6 are fixed on shutter 320；
Step 2: the entirety that the step 1 is completed is put into mechanism box 2, and handle 330 passes through mechanism box 2
On guide groove 218 reach outside mechanism box 2；
Step 3: the one end of screw rod 4 far from nut is extend by the through-hole 217 on mechanism box 2 in mechanism box 2, allow
Screw rod 4 sequentially passes through shutter 320 and limiting plate 310, and compression spring 5 is covered on the part after limiting plate 310 in screw rod 4,
Last screw rod 4 runs through the left end of mechanism box 2 again, wherein and compression spring 5 on the screw rod 4 between mechanism box 2 and limiting plate 310,
Screw rod 4 utilizes nut check after the left end of mechanism box 2；
Step 4: whole being fixed on what step 3 was completed on mounting plate 1.
The protection valve mechanism of the plug-in breaker of plastic casing of the present invention, passes through shutter 320, mechanism box 2, ejecting mechanism
Effect so that after breaker of plastic casing ontology 10 is extracted breaker of plastic casing plug-in pedestal 9, will be hidden by promotion ejecting mechanism
Outside 320 ejecting mechanism box 2 of baffle, and the contact exposed to breaker of plastic casing plug-in 10 enter line sides of pedestal blocks, to
It avoids operating personnel and threat of getting an electric shock occurs, the present invention is also equipped with simple in structure in addition, easy to operate feature.
In the description of the present invention, it is to be understood that, term "center", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time
The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of description of the present invention and simplification of the description, and does not indicate or imply the indicated device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three
It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be that machinery connects
It connects, can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary in two elements
The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art
For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature can be with "above" or "below" second feature
It is that the first and second features are in direct contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, 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 directly under or diagonally below the second feature, or is merely representative of fisrt feature level height and is less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office
It can be combined in any suitable manner in one or more embodiments or example.In addition, without conflicting with each other, the skill of this field
Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples
It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (9)
1. a kind of protection valve mechanism of plug-in breaker of plastic casing, which is characterized in that including mechanism box (2), valve assembly
(3)；The valve assembly (3) is arranged in the internal cavities of the mechanism box (2)；The valve assembly (3) includes shutter
(320), ejecting mechanism；When breaker of plastic casing ontology (10) is plugged on breaker of plastic casing plug-in pedestal (9), the valve
Shutter (320) on component (3) is located in the mechanism box (2)；When breaker of plastic casing ontology (10) pulls away breaker of plastic casing
When plug-in pedestal (9), shutter (320) on the valve assembly (3) by ejecting mechanism extend out to mechanism box (2) outside,
And shelter from the exposed contact of breaker of plastic casing plug-in pedestal (9) enter line side, and the shutter (320) block it is described
The end of the part of the exposed contact of breaker of plastic casing plug-in pedestal (9) enter line side is enclosed with security bar (7).
2. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 1, which is characterized in that the work
Door component (3) further includes limiting plate (310), handle (330), four walking mechanisms (6)；The limiting plate (310) and shutter
(320) the corresponding both sides for being fixed on the handle (330)；The mechanism box is run through in the upper end of the handle (330)
(2)；The walking mechanism (6) there are two being all provided on the limiting plate (310) and shutter (320).
3. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 2, which is characterized in that the machine
Structure box (2) includes box body (210), box plate (220)；The lower ending opening of the box body (210), box plate (220) setting
Open end in the box body (210)；The box body (210) includes roof (211), left side wall (212), right side wall (213), preceding
Side wall, rear wall；The roof (211) is being equipped with fixed plate (214) at the right side wall (213)；The left side wall
(212) height is more than the height of the right side wall (213)；The height of the right side wall (213) is greater than or equal to the fixation
The height of plate (214)；After the box body (210) is fixed on the box plate (220), the right side wall (213) with it is described
Facilitate shutter (320) to pass through first is formed between box plate (220) crosses slot (215), the fixed plate (214) and the box
Facilitate shutter (320) to pass through second is formed between bottom plate (220) crosses slot (216).
4. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 3, which is characterized in that the top
It includes screw rod (4) and compression spring (5) to go out mechanism；One end of the screw rod (4) is fixed on the left side wall (212), the screw rod
(4) the other end is fixed in the fixed plate (214)；The screw rod (4) runs through limiting plate (310) and shutter (320)；Institute
It states on the screw rod (4) that compression spring (5) is set between the left side wall (212) and the limiting plate (310).
5. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 3, which is characterized in that the top
Corresponding position is equipped with and the handle (330) matched guide groove (218) on wall (211).
6. according to a kind of protection valve mechanism of any plug-in breaker of plastic casing in Claims 1-4, feature exists
In the cross-sectional shape of the shutter (320) is J fonts；The shutter (320) includes the second base portion (321), and described the
The top and bottom of two base portions (321) are bent towards perpendicular to the direction of the second base portion (321), and it is curved to be respectively formed third
Folding part (322) and the 4th bending part (323)；The length of 4th bending part (323) is more than the third bending part (322)
Length.
7. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 2 or 4, which is characterized in that institute
The cross-sectional shape for stating limiting plate (310) is U-shaped；The limiting plate (310) includes the first base portion (311), first base
The top and bottom in portion (311) are bent towards perpendicular to the direction of the first base portion (311), and the first bending part is respectively formed
(312) and the second bending part (313).
8. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 4, which is characterized in that the right side
The corresponding position of side wall (213) is equipped with and the screw rod (4) matched through-hole (217).
9. a kind of protection valve mechanism of plug-in breaker of plastic casing according to claim 6, which is characterized in that described
Four bending parts (323) are equipped with alarming sign (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652546.4A CN106206182B (en) | 2016-08-10 | 2016-08-10 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610652546.4A CN106206182B (en) | 2016-08-10 | 2016-08-10 | A kind of protection valve mechanism of plug-in breaker of plastic casing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106206182A CN106206182A (en) | 2016-12-07 |
| CN106206182B true CN106206182B (en) | 2018-07-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| 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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| CN (1) | CN106206182B (en) |
Families Citing this family (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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| 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 |
| CN201113283Y (en) * | 2007-09-14 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Safety shield switch device for drawer-type breaker |
| CN201781212U (en) * | 2010-09-03 | 2011-03-30 | 上海精益电器厂有限公司 | Safety device for opening and closing of drawout circuit breaker isolation dampers |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8891229B2 (en) * | 2011-09-26 | 2014-11-18 | Abb Technology Ag | Locking structure for a truck of a switchgear drawout circuit 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 |
| CN201113283Y (en) * | 2007-09-14 | 2008-09-10 | 常熟开关制造有限公司(原常熟开关厂） | Safety shield switch device for drawer-type breaker |
| CN201781212U (en) * | 2010-09-03 | 2011-03-30 | 上海精益电器厂有限公司 | Safety device for opening and closing of drawout circuit breaker isolation dampers |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106206182A (en) | 2016-12-07 |
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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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Denomination of invention: Protective valve mechanism of plug-in molded case circuit breaker Effective date of registration: 20210722 Granted publication date: 20180720 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: HUBEI SENYUAN CENTURY ELECTRIC GROUP Co.,Ltd. Registration number: Y2021420000068 |
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