CN207503884U - The shell structure of breaker - Google Patents
The shell structure of breaker Download PDFInfo
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- CN207503884U CN207503884U CN201720961931.7U CN201720961931U CN207503884U CN 207503884 U CN207503884 U CN 207503884U CN 201720961931 U CN201720961931 U CN 201720961931U CN 207503884 U CN207503884 U CN 207503884U
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- half slot
- connector
- breaker
- slot
- housing
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Abstract
A kind of shell structure of breaker, it includes the housing 101 of breaker and connector 103, the connector 103 is equipped with the prefabricated bottom outlet 1031 coordinated with tapping screw 104, housing 101 is equipped with the preformed groove 21 for fixedly connected part 103, protective cover 105 is fixedly connected by tapping screw 104 by connector 103 with housing 101, protective cover 105 closes the conducting wire being connected between breaker and supplementary module, coordinated by tapping screw 104 with connector 103 and protective cover 105 and housing 101 form a fixed connection, with higher joint efficiency and bonding strength, and the toughness of connector 103 is more than housing 101, when tapping screw 104 is used to form connection with connector 103, it can be effectively prevented from damage housing 101.
Description
Technical field
The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of shell structure of breaker.
Background technology
Breaker is the important component of electrical equipment industry, has been obtained for being widely applied, when electric circuit works just
Chang Shi, breaker can by be closed or disconnect supply electric energy circuit, to reach the functions such as power failure, power supply and conversion circuit；
When there is overload, decompression, under-voltage or short-circuit when abnormal in electric circuit, breaker again can automatically by circuitry cuts, avoid because
Jeopardize the safety of staff and the normal operation of equipment for fault.
The housing of breaker serves not only as the protection part of internal mechanism, also functions to support and positioning to internal mechanism and makees
With, breaker needs to block conducting wire by protective cover when connecting supplementary module, and during use self-drilling connection protective cover very
Housing is easily damaged, and when electric circuit occurs abnormal, mechanism largely generates heat in housing, and the intensity of the higher housing of temperature is more
It is low, lead to its support to internal mechanism, positioning and defencive function failure.
Invention content
The purpose of the utility model is to overcome the defects of the prior art, provide a kind of simple in structure, reliability high disconnected
The shell structure of road device.
To achieve the above object, the utility model employs following technical solution：
A kind of shell structure of breaker, housing 101 and connector 103 including breaker, on the connector 103
Equipped with the prefabricated bottom outlet 1031 coordinated with tapping screw 104, housing 101 is equipped with the preformed groove 21 for fixedly connected part 103,
Protective cover 105 is fixedly connected by tapping screw 104 by connector 103 with housing 101, and protective cover 105 will be connected to breaker
Conducting wire closing between supplementary module.
Optionally, being equipped in the preformed groove 21 prevents the constraint machine that connector 103 is rotated along 104 rotation direction of tapping screw
Structure.
Optionally, the housing 101 of breaker is by thermosets injection molding, and connector 103 is by thermoplastic material one
Molding.
Optionally, the constraint mechanism includes the rectangular channel 22 connected with 211 bottom of fixing groove, the bottom of connector 103
Equipped with 22 matched rectangular boss 12 of rectangular channel, rectangular channel 22 be more than fixing groove 211 and connectivity part formed and rectangular boss
The limited step 23 of 12 cooperations.
Optionally, the constraint mechanism includes the location hole 22a connected with 211 side wall of fixing groove, the side wall of connector 103
Equipped with the positioning pin 12a coordinated with location hole 22a.
Optionally, the tapping screw 104 includes the screw rod 1042 that side wall is equipped with screw thread 1041, one end of screw rod 1042
Equipped with nut 1043, the other end is equipped with cutting head 1044.
Optionally, the internal diameter of the prefabricated bottom outlet 1031 is less than the outer diameter of the screw thread 1041 of tapping screw 104；The connection
Part 103 is equipped with blind hole 1033, and the prefabricated bottom outlet 1031 is arranged in blind hole 1033, and prefabricated bottom outlet 1031 is in blind hole 1033
The middle guide groove 1032 for forming annular.
Optionally, the breaker is single-pole circuit breaker, and multiple single-pole circuit breaker splicing composition multipole circuit breaker modules are broken
The housing 101 of road device includes pedestal 101a and case 101b, the side wall of case 101b after breaker splicing with other breakers
Pedestal 101a side wall fitting；The preformed groove 21 includes symmetrically arranged first half slot 21a and later half slot 21b, first half slot 21a
It is arranged on pedestal 101a, later half slot 21b is arranged on case 101b positions corresponding with first half slot 21a, after breaker splicing
First half slot 21a and later half slot 21b splits are the preformed groove 21.
Optionally, the housing 101 includes pedestal 101a and lid closes the case 101b on pedestal 101a, described reserved
Slot 21 includes first half slot 21a and later half slot 21b, first half slot 21a and later half slot 21b is separately positioned on pedestal 101a and case 101b
On, after pedestal 101a and case 101b lids close, first half slot 21a and later half slot 21b are closed in case 101b lids on pedestal 101a
When split be the preformed groove 21.
Optionally, the preformed groove 21 includes first half slot 21a and later half slot 21b, and first half slot 21a is arranged on housing 101,
Later half slot 21b is arranged on the housing of supplementary module, and first half slot 21a and later half slot 21b are after breaker and supplementary module splicing
Split is preformed groove 21.
Optionally, the connector 103 is more than the cylinder of the outer diameter of the screw thread 1041 of tapping screw 104, institute for outer diameter
Preformed groove 21 is stated to include the circular fixing groove 211 coordinated with connector 103 and prevent connector 103 along tapping screw 104
The constraint mechanism of rotation direction rotation.
Optionally, the constraint mechanism includes the first half rectangular channel being arranged on first half slot 21a and is arranged on later half slot
The upper later half rectangular channels corresponding with first half rectangular channel of 21b, first half rectangular channel and later half rectangular channel are in first half slot 21a and later half slot
Form rectangular channel 22 after 21b splits, rectangular channel 22 and fixing groove 211 are into T-shaped.
Optionally, the constraint mechanism includes connecting and exist in a pair of of first half locating slot of first half slot 21a both sides and connection
The later half slot 21b both sides later half locating slot of a pair corresponding with first half locating slot, first half locating slot and later half locating slot are in first half slot
Partner location hole 22a after 21a and later half slot 21b splits, is respectively equipped in the both sides of connector 103 and two location holes
The positioning pin 12a of 22a cooperations.
The shell structure of the breaker of the utility model is coordinated by tapping screw 104 and connector 103 by protective cover
105 form a fixed connection with housing 101, have higher joint efficiency and bonding strength, and connector 103 can use more
Add reliable material, when tapping screw 104 is used to form connection with connector 103, damage housing can be effectively prevented from
101.In addition, by setting the constraint mechanism for preventing connector 103 from being rotated along 104 rotation direction of tapping screw in preformed groove 21, it is convenient for
Tapping screw 104 forms connection on connector 103.In addition, by the way that the first half slot 21a of preformed groove 21 is arranged on pedestal 101a
On, later half slot 21b is arranged on case 101b positions corresponding with first half slot 21a, the first half slot 21a and later half after breaker splicing
Slot 21b splits are the preformed groove 21, smaller for being required on the thickness of 101 side wall of Shell of circuit breaker, are agreed with very much existing
The trend toward miniaturization of breaker.
Description of the drawings
Fig. 1 is the structure diagram of the shell structure of the utility model breaker；
Fig. 2 is after the splicing of the utility model breaker and installs the schematic diagram of supplementary module and protective cover；
Fig. 3 is the structure diagram of the utility model tapping screw；
Fig. 4 is a kind of embodiment of the utility model preformed groove；
Fig. 5 is the another embodiment of the utility model preformed groove；
Fig. 6 is a kind of embodiment of the utility model constraint mechanism；
Fig. 7 is a kind of embodiment of the utility model connector；
Fig. 8 is the another embodiment of the utility model constraint mechanism；
Fig. 9 is the another embodiment of the utility model connector.
Specific embodiment
Below in conjunction with the embodiment that attached drawing 1 to 9 provides, the shell structure of the breaker of the utility model is further illustrated
Specific embodiment.The shell structure of the breaker of the utility model is not limited to the following description.
As shown in Figs. 1-2, the shell structure of the breaker of the utility model includes the housing 101 and connector of breaker
103, the connector 103 is equipped with the prefabricated bottom outlet 1031 coordinated with tapping screw 104, and housing 101 is equipped with to fix
Protective cover 105 is fixedly connected by the preformed groove 21 of connector 103, tapping screw 104 by connector 103 with housing 101, protection
Cover 105 closes the conducting wire being connected between breaker and supplementary module.
As shown in Fig. 2, the supplementary module on breaker is leakage protection module 106, leakage protection module 106 passes through conducting wire
After being connect with breaker, conducting wire is blocked by protective cover 105, certainly, breaker can also after other supplementary modules are connected
Conducting wire is closed by protective cover 105.
The shell structure of the breaker of the utility model is coordinated by tapping screw 104 and connector 103 by protective cover
105 form a fixed connection with housing 101, have higher joint efficiency and bonding strength, and connector 103 can use more
Add reliable material, when tapping screw 104 is used to form connection with connector 103, damage housing can be effectively prevented from
101.The housing 101 of breaker is preferably by thermosets injection molding, and connector 103 is preferably by thermoplastic material one
Molding, the toughness of connector 103 are more than housing 101, can not only improve the heat resistance of housing 101, but also can guarantee breaker
Structural strength.The thermosets can be phenoplasts, epoxy plastics, aminoplast, unsaturated polyester (UP), alkyd modeling
Material, the thermoplastic material can be polyethylene, polypropylene, polyvinyl chloride, polystyrene, polyformaldehyde, makrolon, polyamides
Amine, acrylics, other polyolefin and its copolymer, polysulfones, polyphenylene oxide.
If Fig. 3 shows a kind of embodiment of tapping screw 104, the tapping screw 104 includes side wall and is equipped with screw thread
1041 screw rod 1042, one end of screw rod 1042 are equipped with the nut 1043 for torquing operations, and the other end is equipped with cutting head 1044, cuts
First 1044 are cut for drilling and cutting screw thread, cutting head 1044 can be taper (c-type) or flat mouth knife-edge (F types),
Drilling and tapping two procedures merge completion, and very convenient, efficiency is also high.
If Fig. 7 shows a kind of embodiment of connector 103, the internal diameter of the prefabricated bottom outlet 1031 is less than tapping screw
The outer diameter of 104 screw thread 1041；The connector 103 is equipped with blind hole 1033, and the prefabricated bottom outlet 1031 is arranged on blind hole
In 1033, prefabricated bottom outlet 1031 forms the guide groove 1032 of annular in blind hole 1033, can be reduced by prefabricated bottom outlet 1031
Resistance of the tapping screw 104 in drilling, improves the efficiency of bore operation, and can ensure that screw thread 1041 can be in connector
The reliable external screw thread of tapping on 103 inner wall.
Further, the connector 103 is more than the cylinder of the outer diameter of the screw thread 1041 of tapping screw 104 for outer diameter,
The preformed groove 21 includes the circular fixing groove 211 coordinated with connector 103 and prevents connector 103 along tapping screw
The constraint mechanism of 104 rotation directions rotation, certainly, connector 103 can also use other shapes, such as cuboid, triangular prism.
A kind of embodiment as shown in Figure 4, the breaker are single-pole circuit breaker, multiple single-pole circuit breaker splicing compositions
Multipole circuit breaker module, the housing 101 of breaker include pedestal 101a and case 101b, and the side wall of case 101b is spelled in breaker
The side wall for meeting the rear pedestal 101a with other breakers is bonded；The preformed groove 21 includes symmetrically arranged first half slot 21a with after
Half slot 21b, first half slot 21a are arranged on pedestal 101a, and later half slot 21b is arranged on case 101b positions corresponding with first half slot 21a
It puts, first half slot 21a and later half slot 21b splits are the preformed groove 21 after breaker splicing.
First half slot 21a and later half slot 21b in present embodiment add on the side wall of pedestal 101a and case 101b respectively
What work formed, it is equivalent on the side wall of front and rear sides that 21 the space occupied of preformed groove has been respectively allocated to housing 101, institute
It is smaller for being required on the thickness of 101 side wall of Shell of circuit breaker in present embodiment, agree with very much the small-sized of existing breaker
Change trend.The first half slot 21a and later half slot 21b is preferably symmetrical structure, naturally it is also possible to be asymmetric knot
Structure.
As another embodiment, the preformed groove 21 is arranged on the side wall of pedestal 101a or case 101b and court
It is opened wide to the normal direction of side wall, can be convenient for connector 103 being fixed in preformed groove 21 by open side, it will be spacious after breaker splicing
Open side fit on the side wall of other breakers connector 103 is limited or fitted to it is right on the side wall of supplementary module
Connector 103 is limited, and present embodiment is for 101 thickness requirement higher of housing.
As another embodiment, the preformed groove 21 includes first half slot 21a and later half slot 21b, first half slot 21a settings
On housing 101, later half slot 21b is arranged on the housing 5 of supplementary module, first half slot 21a and later half slot 21b breaker with it is auxiliary
Split is preformed groove 21 after helping module splicing.
Single breaker, the housing can be used only in the embodiment in another as shown in Figure 5 embodiment
101 include pedestal 101a and lid closes case 101b on pedestal 101a, and the preformed groove 21 includes first half slot 21a and later half
Slot 21b, first half slot 21a and later half slot 21b are separately positioned on pedestal 101a and case 101b, in pedestal 101a and case 101b
It is the preformed groove 21 that Gai Hehou, first half slot 21a and later half slot 21b close split when on pedestal 101a in case 101b lids,
Present embodiment needs that connector 103 is fixed in preformed groove 21 before pedestal 101a and case 101b lids close, before described
Half slot 21a and later half slot 21b is preferably symmetrical structure, naturally it is also possible to be asymmetric structure.
In the above embodiment, the mistake to pedestal 101a is closed by split between multiple single-pole circuit breakers or case 101b lids
Journey is simultaneously fixed connector 103, and connector 103 is embedded in housing 101 in this way, and to reach fixed effect very convenient, but
Can also be by other connection modes, such as claw is set on connector 103, it is equipped in preformed groove 21 and coordinates with claw
Card slot, claw is caught in card slot fixed, but difficulty of the housing 101 in injection molding can be increased.It is described in the utility model
Preformed groove 21 set position can flexibly be selected on housing 101, the utility model is to the location and shape of preformed groove 21
It does not do specifically defined.
Being equipped in the preformed groove 21 of the utility model prevents the constraint machine that connector 103 is rotated along 104 rotation direction of tapping screw
Structure, forms connection convenient for tapping screw 104 on connector 103, and the constraint mechanism includes what is connected with 211 bottom of fixing groove
Rectangular channel 22, the bottom of connector 103 is equipped with is more than fixing groove with the matched rectangular boss 12 of 22 shape of rectangular channel, rectangular channel 22
211 and connectivity part formed with rectangular boss 12 coordinate limited step 23, alternatively, constraint mechanism include and 211 side of fixing groove
The location hole 22a of wall connection, the side wall of connector 103 are equipped with the positioning pin 12a coordinated with location hole 22a.
A kind of embodiment of constraint mechanism as shown Fig. 6-7, the constraint mechanism include connecting with 211 bottom of fixing groove
Rectangular channel 22, the bottom of connector 103 be equipped with the matched rectangular boss 12 of 22 shape of rectangular channel, rectangular channel 22, which is more than, to be fixed
Slot 211 simultaneously forms the limited step 23 coordinated with rectangular boss 12 in connectivity part, and four sides of rectangular boss 12 are by being stuck in
Rectangular channel 22 constrains connector 103, prevents connector 103 from being rotated in tapping with tapping screw 104, ensures that tapping can
It is carried out with smoothly reliable, while is stuck on limited step 23 by the end face of rectangular boss 12 and limits connector 103 along self tapping spiral shell
The axial movement of nail 104, prevents connector 103 from coming off from housing 101, ensures that tapping screw 104 is formed reliably with housing 101
Connection.
Further, the constraint mechanism includes the first half rectangular channel being arranged on first half slot 21a and is arranged on later half
Later half rectangular channel corresponding with first half rectangular channel on slot 21b, first half rectangular channel and later half rectangular channel are in first half slot 21a and later half slot
Form rectangular channel 22 after 21b splits, rectangular channel 22 and fixing groove 211 into T-shaped, the preferably rectangular structure of rectangular channel 22, this
Sample first half rectangular channel and later half rectangular channel can be processed as symmetrical structure, facilitate production and processing, certainly, the rectangular channel 22
Or the shape of polygon, such as triangle or pentagon, and rectangular channel 22 can also be arranged in preformed groove 21
Portion's across is here not specifically limited the location and shape of rectangular channel 22.
The another embodiment of constraint mechanism as shown Fig. 8-9, the constraint mechanism include connecting with 211 side wall of fixing groove
The location hole 22a connect, the side wall of connector 103 are equipped with the positioning pin 12a coordinated with location hole 22a, are inserted by positioning pin 12a
It prevents connector 103 from being rotated in tapping with tapping screw 104 in location hole 22a, while prevents connector 103 along tapping screw
104 axial movement.
Further, the constraint mechanism includes connection in a pair of of first half locating slot of first half slot 21a both sides and connection
In the later half slot 21b both sides later half locating slot of a pair corresponding with first half locating slot, first half locating slot and later half locating slot are in first half
Partner location hole 22a after slot 21a and later half slot 21b splits, is respectively equipped in the both sides of connector 103 and two location holes
The positioning pin 12a of 22a cooperations.Certainly, the quantity of positioning pin 12a may be 1,3 or 4, and so on, positioning pin
12a can be rectangle or cylinder, and shape and the positioning pin 12a of location hole 22a match, here to positioning pin 12a
Quantity, shape with location hole 22a do not do specific restriction.
The above content is combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, several simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (13)
1. a kind of shell structure of breaker, it is characterised in that：Housing (101) and connector (103) including breaker, it is described
Connector (103) is equipped with the prefabricated bottom outlet (1031) coordinated with tapping screw (104), and housing (101) is equipped with to fix
The preformed groove (21) of connector (103), tapping screw (104) is by connector (103) by protective cover (105) and housing (101)
It is fixedly connected, protective cover (105) closes the conducting wire being connected between breaker and supplementary module.
2. the shell structure of breaker according to claim 1, it is characterised in that：Being equipped in the preformed groove (21) prevents
The constraint mechanism that connector (103) is rotated along tapping screw (104) rotation direction.
3. the shell structure of breaker according to claim 1, it is characterised in that：The housing (101) of breaker is by thermosetting
Property material injection molding, connector (103) is integrally formed by thermoplastic material.
4. the shell structure of breaker according to claim 2, it is characterised in that：The constraint mechanism includes and fixing groove
(211) rectangular channel (22) of bottom connection, the bottom of connector (103) are equipped with and rectangular channel (22) matched rectangular boss
(12), rectangular channel (22) forms the limited step (23) with rectangular boss (12) cooperation more than fixing groove (211) and in connectivity part.
5. the shell structure of breaker according to claim 2, it is characterised in that：The constraint mechanism includes and fixing groove
(211) location hole (22a) of side wall connection, the side wall of connector (103) are equipped with the positioning pin coordinated with location hole (22a)
(12a)。
6. the shell structure of breaker according to claim 1, it is characterised in that：The tapping screw (104) is including side
Wall is equipped with the screw rod (1042) of screw thread (1041), and one end of screw rod (1042) is equipped with nut (1043), and the other end is equipped with cutting
Head (1044).
7. the shell structure of breaker according to claim 1, it is characterised in that：The internal diameter of the prefabricated bottom outlet (1031)
Less than the outer diameter of the screw thread (1041) of tapping screw (104)；The connector (103) is equipped with blind hole (1033), and described is pre-
Bottom outlet (1031) processed is arranged in blind hole (1033), and prefabricated bottom outlet (1031) forms the guide groove of annular in blind hole (1033)
(1032)。
8. the shell structure of breaker according to claim 1, it is characterised in that：The breaker is single-pole circuit breaker,
Multiple single-pole circuit breaker splicing composition multipole circuit breaker modules, the housing (101) of breaker include pedestal (101a) and case
(101b), the side wall of case (101b) are bonded after breaker splicing with the side wall of the pedestal (101a) of other breakers；It is described
Preformed groove (21) includes symmetrically arranged first half slot (21a) and later half slot (21b), and first half slot (21a) is arranged on pedestal (101a)
On, later half slot (21b) is arranged on case (101b) position corresponding with first half slot (21a), the first half slot after breaker splicing
(21a) and later half slot (21b) split is the preformed groove (21).
9. the shell structure of breaker according to claim 1, it is characterised in that：The housing (101) is including pedestal
(101a) and lid close case (101b) on pedestal (101a), and the preformed groove (21) includes first half slot (21a) and later half
Slot (21b), first half slot (21a) and later half slot (21b) are separately positioned on pedestal (101a) and case (101b), in pedestal
(101a) and case (101b) Gai Hehou, first half slot (21a) and later half slot (21b) are closed in case (101b) lid at pedestal (101a)
Split is the preformed groove (21) when upper.
10. the shell structure of breaker according to claim 1, it is characterised in that：The preformed groove (21) is including first half
Slot (21a) and later half slot (21b), first half slot (21a) are arranged on housing (101), and later half slot (21b) is arranged on supplementary module
On housing, the split after breaker and supplementary module splicing of first half slot (21a) and later half slot (21b) is preformed groove (21).
11. according to the shell structure of any breakers of claim 8-10, it is characterised in that：The connector (103)
It is more than the cylinder of the outer diameter of the screw thread (1041) of tapping screw (104) for outer diameter, the preformed groove (21) includes and connector
(103) the circular fixing groove (211) of cooperation and the constraint for preventing connector (103) from being rotated along tapping screw (104) rotation direction
Mechanism.
12. the shell structure of breaker according to claim 11, it is characterised in that：The constraint mechanism includes being arranged on
First half rectangular channel on first half slot (21a) and it is arranged on later half rectangle corresponding with first half rectangular channel on later half slot (21b)
Slot, first half rectangular channel and later half rectangular channel composition rectangular channel (22), rectangle after first half slot (21a) and later half slot (21b) split
Slot (22) and fixing groove (211) are into T-shaped.
13. the shell structure of breaker according to claim 11, it is characterised in that：The constraint mechanism includes connection and exists
A pair of of first half locating slot of first half slot (21a) both sides and connection are in later half slot (21b) both sides corresponding with first half locating slot one
To later half locating slot, first half locating slot and later half locating slot partner after first half slot (21a) and later half slot (21b) split and determine
Position hole (22a) is respectively equipped with the positioning pin (12a) with two location hole (22a) cooperations in the both sides of connector (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961931.7U CN207503884U (en) | 2017-08-02 | 2017-08-02 | The shell structure of breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720961931.7U CN207503884U (en) | 2017-08-02 | 2017-08-02 | The shell structure of breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503884U true CN207503884U (en) | 2018-06-15 |
Family
ID=62497588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720961931.7U Active CN207503884U (en) | 2017-08-02 | 2017-08-02 | The shell structure of breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503884U (en) |
-
2017
- 2017-08-02 CN CN201720961931.7U patent/CN207503884U/en active Active
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