CN207441640U - A kind of shell of breaker of plastic casing - Google Patents
A kind of shell of breaker of plastic casing Download PDFInfo
- Publication number
- CN207441640U CN207441640U CN201721441900.5U CN201721441900U CN207441640U CN 207441640 U CN207441640 U CN 207441640U CN 201721441900 U CN201721441900 U CN 201721441900U CN 207441640 U CN207441640 U CN 207441640U
- Authority
- CN
- China
- Prior art keywords
- fastener
- shell
- connecting rod
- pedestal
- breaker
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of shells of breaker of plastic casing, including pedestal and lid shell, several contact mounting grooves are set side by side in the pedestal, connecting seat is equipped in outermost two contact mounting grooves, the lid shell is equipped with the connecting rod with connecting seat cooperation, the connecting rod is equipped with double-deck fixed structure, the connecting seat is equipped with the double-layer groove with the cooperation of double-deck fixed structure, lid shell is attached with pedestal with connecting seat using connecting rod, and double-deck fixed structure coordinates with double-layer groove, strengthen the positioning between connecting rod and connecting seat and fixed effect, making can be accurate between pedestal and lid shell, stable fitting, convenient for being fixedly connected afterwards.
Description
Technical field
The utility model is related to a kind of breaker, more particularly to a kind of shell of breaker of plastic casing.
Background technology
Breaker of plastic casing is also referred to as molded case circuit breaker, and all parts are all sealed in plastic shell, auxiliary contact,
Under-voltage release and shunt release etc. use modularization more.Breaker of plastic casing can be after electric current be more than escape setting certainly
Dynamic cut-out electric current, and plastic housing refers to being used as with plastic insulation the shell of device, between insulated conductor and being grounded
Metal part.
At present, the Chinese patent document that Authorization Notice No. is CN101533741B in the prior art discloses a kind of low pressure and breaks
The pedestal of road device including base body, is set in base body there are three contact pocket parallel to each other, for assembling three pairs respectively
Dynamic and static contact is separated by intermediate cell wall between adjacent two contact pocket, is equipped on the bottom wall of intermediate cell wall and base body scattered
The passage of heat, heat dissipation channel will be connected positioned at intermediate contact pocket with the space outside two lateral wall of base body, so that in being located at
Between dynamic and static contact work in contact pocket when the heat that generates can rapidly distribute.
But the frame that the shell of usually breaker is all lid shell and pedestal fit then by screw tightening lid shell with
Corresponding threaded hole comes fixed on pedestal, is not only aligned in installation process, also to keep lid shell and pedestal it
Between do not occur relative displacement, simply by the presence of some deviations bolt will be made to be difficult to be screwed between two corresponding threaded holes, installed
It is troublesome in poeration.
Utility model content
The purpose of this utility model is to provide a kind of shell of breaker of plastic casing, has and installs quick, simple effect.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of shell of breaker of plastic casing including pedestal and lid shell, is set side by side with several contact installations in the pedestal
Slot, connecting seat is equipped in outermost two contact mounting grooves, and the lid shell is equipped with the connection with connecting seat cooperation
Bar, the connecting rod are equipped with double-deck fixed structure, and the connecting seat is equipped with the double-layer groove with the cooperation of double-deck fixed structure.
By using above-mentioned technical proposal, lid shell is attached with pedestal with connecting seat using connecting rod, and it is double-deck solid
Determine structure with double-layer groove to coordinate, strengthen the positioning between connecting rod and connecting seat and fixed effect, make between pedestal and lid shell
Can accurately, stablize fitting, convenient for being fixedly connected afterwards.
The utility model is further arranged to：The bilayer fixed structure include being arranged on the first fastener in connecting rod with
Second fastener, first fastener are radially set with the second fastener along connecting rod, and the double-layer groove is included respectively with the
One fastener and the first card slot and the second card slot of the cooperation of the second fastener.
By using above-mentioned technical proposal, using the first fastener and the second fastener respectively with the first card slot and the second card slot card
It closes, achievees the effect that dual fixation and positioning.
The utility model is further arranged to：First fastener is arranged in connecting rod towards the end position of connecting seat
It puts, second fastener axially offsetting along connecting rod with the first fastener, second fastener is big along the length of connecting rod radial direction
In the first fastener.
By using above-mentioned technical proposal, the first card slot and the second card slot is made to form ladder slot structure wide at the top and narrow at the bottom, when
When connecting rod will be inserted into connecting seat, the first fastener is introduced into the second card slot, and the second card slot can not mutually block with the first fastener
It closes but is capable of providing guiding and position-limiting action, the first fastener is enable more rapidly and accurately to enter in the first card slot.
The utility model is further arranged to：First fastener and the second fastener extend towards two side direction of connecting rod and
Extending direction is parallel to contact mounting groove length direction.
By using above-mentioned technical proposal, reasonable utilization space, reduction connecting seat occupies effective in contact mounting groove
Space.
The utility model is further arranged to：The bilayer trench bottom is equipped with the first through hole through pedestal, the connection
Bar is equipped with the threaded hole with first through hole cooperation towards the end of double-layer groove.
By using above-mentioned technical proposal, the bolt coordinated with threaded hole through first through hole and is screwed into threaded hole,
It is screwed to pedestal and connecting rod, strengthens the bonding strength between pedestal and lid shell.
The utility model is further arranged to：The pedestal is described towards being provided with several nuts on the end face of lid shell
Lid shell is equipped with the second through hole set along nut axle center line.
By using above-mentioned technical proposal, it will be screwed into nut and tighten from the second through hole with the bolt that nut coordinates, into
One step strengthens the bonding strength between pedestal and lid shell.
The utility model is further arranged to：The nut is arranged on using injection inserts mode on pedestal.
By using above-mentioned technical proposal, reduce the operation of installation nut, and improve the globality of pedestal.
The utility model is further arranged to：The pedestal is provided on side corresponding with lid shell along lid shell installation direction
The dovetail groove of both ends perforation.
By using above-mentioned technical proposal, pedestal and lid shell are positioned using dovetail groove, and installation breaker or
It is that when opening breaker to carry out maintenance and inspection, conducting wire can be sticked into upper dovetail groove with being fixed in lower dovetail groove, convenient for behaviour
Make.
In conclusion the beneficial effects of the utility model are：
1st, lid shell and pedestal are attached by connecting rod and connecting seat, and double-deck fixed structure coordinates with double-layer groove,
Strengthen the positioning between connecting rod and connecting seat and fixed effect, make between pedestal and lid shell can accurately, being bonded of stablizing,
Convenient for being fixedly connected afterwards；
2nd, by the way that the first fastener is arranged in connecting rod towards the tip position of connecting seat, and the second fastener is along connecting rod
The length of radial direction is more than the first fastener, and the first card slot and the second card slot is made to form ladder slot structure wide at the top and narrow at the bottom, works as connecting rod
When being inserted into connecting seat, the first fastener is introduced into the second card slot, and the second card slot can not be mutually clamped still with the first fastener
Guiding and position-limiting action are capable of providing, the first fastener is enable more rapidly and accurately to enter in the first card slot.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment；
Fig. 2 is the schematic cross-sectional view of pedestal and connecting rod in the present embodiment.
Reference numeral：1st, pedestal；2nd, lid shell；3rd, contact mounting groove；4th, connecting seat；5th, connecting rod；6th, double-deck fixed structure；
7th, the first fastener；8th, the second fastener；9th, double-layer groove；10th, the first card slot；11st, the second card slot；12nd, first through hole；13rd, threaded hole；
14th, insert nut；15th, the second through hole；16th, upper dovetail groove；17th, lower dovetail groove.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Present embodiment discloses a kind of shell of breaker of plastic casing, as shown in Figure 1, including pedestal 1 and lid shell 2.In pedestal 1
Be integrally formed there are three laid out in parallel contact mounting groove 3, and respectively positioned at both sides contact mounting groove 3 in respectively integrally formed with
One connecting seat 4, and there are two the connecting rods 5 coordinated with connecting seat 4 for integrated molding on lid shell 2.
As shown in Fig. 2, integrally formed with double-deck fixed structure 6 in connecting rod 5, and double-deck fixed structure 6 is included along connection
The first fastener 7 and the second fastener 8 that bar 5 is radially set, the first fastener 7 and the second fastener 8 are towards 5 liang of side direction extensions of connecting rod
And extending direction is parallel to 3 length direction of contact mounting groove, and connecting seat 4 is arranged on inner wall of the contact mounting groove 3 towards outside
On, can reasonable utilization space, reduce the useful space that connecting seat 4 is occupied in the contact mounting groove 3.
As shown in Fig. 2, include on connecting seat 4 integrally formed with the double-layer groove 9 coordinated with double-deck fixed structure 6, double-layer groove 9
The first card slot 10 and the second card slot 11 coordinated respectively with the first fastener 7 and the second fastener 8, and the first fastener 7 is arranged on connection
Towards the tip position of connecting seat 4, the first fastener 7 and the second axially offsetting along connecting rod 5 of fastener 8 on bar 5, and the second fastener
8 are more than length of first fastener 7 along 5 radial direction of connecting rod along the length of 5 radial direction of connecting rod so that the first card slot 10 and the second card slot
11 form ladder slot structure wide at the top and narrow at the bottom.When connecting rod 5 will be inserted into connecting seat 4, the first fastener 7 is introduced into the second card slot 11
Interior, the second card slot 11 can not be mutually clamped with the first fastener 7 but be capable of providing guiding and position-limiting action, enable the first fastener 7
It is enough more rapidly and accurately to enter in the first card slot 10.
As shown in Figure 1 and Figure 2, after connecting rod 5 is connected with connecting seat 4, matched somebody with somebody by double-deck fixed structure 6 with double-layer groove 9
It closes, strengthens the positioning between connecting rod 5 and connecting seat 4 and fixed effect, make accurately paste between pedestal 1 and lid shell 2
It closes, and first connecting rod 5 with connecting seat 4 is engaged, preliminary fixation is carried out to pedestal 1 and lid shell 2, the fixed company after being allowed to
It connects more convenient.
As shown in Figure 1 and Figure 2,10 bottom of the first card slot is integrally formed with the first through hole 12 through pedestal 1, and connecting rod 5
Towards the end of double-layer groove 9 integrally formed with the threaded hole 13 coordinated with first through hole 12；The end face of pedestal 1 towards lid shell 2 leads to
It crosses injection inserts mode and is each provided with an insert nut 14 on four angles respectively, and integrally formed with along inserts on lid shell 2
The second through hole 15 that 14 axial line of nut is set.By the way that the bolt of cooperation is screwed into 12 and second through hole 15 of first through hole respectively,
Threaded hole 13 can be threadedly coupled with first through hole 12, insert nut 14 with the second through hole 15 respectively, strengthen pedestal 1 with
Bonding strength between lid shell 2.
As shown in Figure 1, lid shell 2 is passed through integrally formed with both ends respectively on 1 corresponding side of pedestal along 2 installation direction of lid shell
Logical upper dovetail groove 16 and lower dovetail groove 17, upper dovetail groove 16 play positioning action with the cooperation of lower dovetail groove 17, and disconnected in installation
When road device or opening breaker carry out maintenance and inspection, conducting wire can be sticked into upper dovetail groove 16 with being consolidated in lower dovetail groove 17
It is fixed, it is easy to operation.
The concrete operations flow of the present embodiment is as follows：
When wanting connect base 1 with lid shell 2, two connecting rods 5 on lid shell 2 are first respectively aligned to corresponding connecting seat 4
And be inserted into, the first fastener 7 is made to enter in the second card slot 11, the second card slot 11 plays guiding function at this time, the first fastener 7 of limitation
Mobile range, as connecting rod 5 continues into connecting seat 4, the first fastener 7 and the second fastener 8 stick into matched respectively
In one card slot 10 and the second card slot 11, matched bolt then is screwed into 12 and second through hole 15 of first through hole respectively, it is right
Threaded hole 13 is threadedly coupled with first through hole 12, nut with the second through hole 15, strengthens the connection between pedestal 1 and lid shell 2
Intensity.By Dual positioning pedestal 1 is enable accurately to be bonded with lid shell 2, and first engage connecting rod 5 bottom of to connecting seat 4
Seat 1 carries out preliminary fixation with lid shell 2, and being fixedly connected after being allowed to is more convenient.
This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability
Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but
As long as it is all protected in the right of the utility model be subject to Patent Law.
Claims (8)
1. a kind of shell of breaker of plastic casing including pedestal (1) and lid shell (2), is set side by side with several touch in the pedestal (1)
Head mounting groove (3), it is characterised in that：Connecting seat (4), the lid are equipped in outermost two contact mounting grooves (3)
Shell (2) is equipped with the connecting rod (5) with connecting seat (4) cooperation, and the connecting rod (5) is equipped with double-deck fixed structure (6), described
Connecting seat (4) is equipped with the double-layer groove (9) with double-deck fixed structure (6) cooperation.
2. the shell of breaker of plastic casing according to claim 1, it is characterised in that：The bilayer fixed structure (6) includes
The first fastener (7) and the second fastener (8) being arranged in connecting rod (5), first fastener (7) and the second fastener (8) equal edge
Connecting rod (5) is radially set, the double-layer groove (9) include respectively with the first fastener (7) and the second fastener (8) cooperation the
One card slot (10) and the second card slot (11).
3. the shell of breaker of plastic casing according to claim 2, it is characterised in that：First fastener (7) company of being arranged on
Towards the tip position of connecting seat (4), second fastener (8) and axis of the first fastener (7) along connecting rod (5) on extension bar (5)
To staggering, second fastener (8) is more than the first fastener (7) along the length of connecting rod (5) radial direction.
4. the shell of breaker of plastic casing according to claim 3, it is characterised in that：First fastener (7) and the second card
Part (8) extends towards (5) two side direction of connecting rod and extending direction is parallel to contact mounting groove (3) length direction.
5. the shell of breaker of plastic casing according to claim 1, it is characterised in that：Double-layer groove (9) bottom is equipped with and passes through
The first through hole (12) of pedestal (1) is worn, the connecting rod (5) is equipped with towards the end of double-layer groove (9) matches somebody with somebody with first through hole (12)
The threaded hole (13) of conjunction.
6. the shell of breaker of plastic casing according to claim 1, it is characterised in that：The pedestal (1) is towards lid shell (2)
Several nuts are provided on end face, the lid shell (2) is equipped with the second through hole (15) set along nut axle center line.
7. the shell of breaker of plastic casing according to claim 6, it is characterised in that：The nut is using injection inserts mode
It is arranged on pedestal (1).
8. the shell of breaker of plastic casing according to claim 1, it is characterised in that：The pedestal (1) is corresponding with lid shell (2)
Side on along lid shell (2) installation direction be provided with both ends perforation dovetail groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441900.5U CN207441640U (en) | 2017-11-01 | 2017-11-01 | A kind of shell of breaker of plastic casing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721441900.5U CN207441640U (en) | 2017-11-01 | 2017-11-01 | A kind of shell of breaker of plastic casing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207441640U true CN207441640U (en) | 2018-06-01 |
Family
ID=62291909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721441900.5U Expired - Fee Related CN207441640U (en) | 2017-11-01 | 2017-11-01 | A kind of shell of breaker of plastic casing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207441640U (en) |
-
2017
- 2017-11-01 CN CN201721441900.5U patent/CN207441640U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180601 Termination date: 20201101 |