CN109449058B - Breaker shell capable of preventing private disassembly and assembly - Google Patents
Breaker shell capable of preventing private disassembly and assembly Download PDFInfo
- Publication number
- CN109449058B CN109449058B CN201811543324.4A CN201811543324A CN109449058B CN 109449058 B CN109449058 B CN 109449058B CN 201811543324 A CN201811543324 A CN 201811543324A CN 109449058 B CN109449058 B CN 109449058B
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- China
- Prior art keywords
- connecting part
- cavity
- circuit breaker
- upper cover
- head
- Prior art date
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- 238000002347 injection Methods 0.000 claims abstract description 11
- 239000007924 injection Substances 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 12
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002265 prevention Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000002427 irreversible effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000004904 shortening Methods 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
Landscapes
- Breakers (AREA)
Abstract
The invention discloses a breaker shell capable of preventing private disassembly and assembly, belonging to the technical field of electric appliances, and the technical key points are that the breaker shell comprises a bottom shell, an upper cover and a buckle; the upper cover is provided with a cavity, the bottom of the cavity is provided with an opening, and the top of the cavity is provided with an air injection hole; the fastener comprises a convex part, a head part and a handle part for connecting the convex part and the head part, wherein the handle part comprises a first connecting part fixedly connected with the convex part and a second connecting part fixedly connected with the head part, the first connecting part and the second connecting part are in sliding connection, and a spring is arranged between two end parts of the first connecting part and the second connecting part; the handle passes through the opening to enable the convex part to be positioned in the cavity and enable the convex part to be matched with the side wall of the cavity; and a buckling position which is engaged with the head part is arranged on the bottom shell. The breaker using the breaker shell for preventing the private disassembly of the invention cannot be disassembled at will after being assembled, has large secondary assembly difficulty after the disassembly, and ensures the use safety of products.
Description
Technical Field
The invention belongs to the technical field of electric appliances, and particularly relates to a breaker shell capable of preventing private disassembly and assembly.
Background
The circuit breaker is the abbreviation of plastic housing formula circuit breaker, and the circuit breaker shell of the prevention private dismouting comprises last casing and lower casing, and the circuit breaker shell of the prevention private dismouting among the prior art generally adopts screw connection mode to connect last casing and lower casing.
The circuit breaker is a switching device capable of switching on and off a current under normal circuit conditions and capable of switching on and off a current under abnormal circuit conditions within a predetermined time. The protection of the power supply circuit, the electric appliance and the like can be realized, and the circuit can be automatically cut off when serious overload, short circuit, undervoltage and other faults occur.
To ensure safe use, circuit breaker manufacturers generally do not allow anyone to privately disassemble and assemble the circuit breaker, change the circuit breaker structure, and ensure the performance of the produced circuit breaker product in the use process.
Disclosure of Invention
The invention aims to provide a breaker housing capable of preventing the private disassembly and assembly, which is used for preventing unsafe factors caused by the private disassembly and assembly of a breaker after the breaker is produced and put into the market, and improves the assembly operation efficiency through structural improvement.
In order to solve the technical problems, the aim of the invention is realized as follows:
a breaker shell for preventing private disassembly comprises a bottom shell, an upper cover and a buckle; the upper cover is provided with a cavity, the bottom of the cavity is provided with an opening, and the top of the cavity is provided with an air injection hole; the fastener comprises a convex part, a head part and a handle part for connecting the convex part and the head part, wherein the handle part comprises a first connecting part fixedly connected with the convex part and a second connecting part fixedly connected with the head part, the first connecting part and the second connecting part are connected in a sliding way, and a spring is arranged between two end parts of the first connecting part and the second connecting part and used for enabling the handle part to have a trend of keeping the existing length unchanged; the handle passes through the opening to enable the convex part to be positioned in the cavity and enable the convex part to be matched with the side wall of the cavity; and a buckling position which is engaged with the head part is arranged on the bottom shell.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first connecting portion is provided with a clamping groove, the second connecting portion is inserted into the clamping groove, two sides of the second connecting portion are respectively provided with a flange to be attached to the end face of the clamping groove, the clamping groove and one side face of the second connecting portion are hollowed out to form a part of the second connecting portion, the second connecting portion is provided with a first spring supporting beam, the first connecting portion is provided with a second spring supporting beam, a spring is arranged between the first spring supporting beam and the second spring supporting beam, one end of the spring is fixedly connected with the first spring supporting beam, and the other end of the spring is fixedly connected with the second spring supporting beam.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the side surface of the clamping groove is provided with a first jack penetrating into the groove, a second jack is arranged on a second connecting part corresponding to the first jack in a state after the handle is stretched, and after the handle is stretched, the bolt is inserted into the second jack from the first jack.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the gas injection hole is arranged opposite to the convex part.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: an annular sealing ring surrounding the side face of the convex part is arranged on the convex part, and the annular sealing ring is in sealing fit with the inner wall of the cavity.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the buckle is a first buckle with a barb on the head part, and a cutting groove which is engaged with the barb is arranged on the bottom shell.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the head has two barbs positioned opposite each other.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the fastener is a second fastener with a clamping ring at the head part, and a lug which is jointed with the clamping ring is arranged on the bottom shell.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the upper cover is simultaneously provided with a plurality of first buckles with barbs on the heads and a plurality of second buckles with snap rings on the heads, and correspondingly, the bottom shell is provided with a groove engaged with the barbs and a lug engaged with the snap rings.
The above-mentioned scheme is based on and is a preferable scheme of the above-mentioned scheme: the first buckles are arranged at the middle area of the upper cover, and the second buckles are distributed at the edge areas at two sides of the upper cover.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects:
according to the circuit breaker shell capable of preventing private disassembly and assembly, the bottom shell and the upper cover are connected in a buckle connection mode, when the circuit breaker shell is assembled, air flow is injected into the cavity from the air injection hole by using a tool connected with an air source, strong air pressure is kept in the cavity at one moment, the convex part is tightly attached to the bottom of the cavity and has a retaining force, the upper cover is pushed, the buckle is pressed into the buckle position on the bottom shell in a homeotropic manner and is connected with the buckle, the bottom shell and the upper cover are connected in a buckle connection mode, and finally the handle is shortened under the action of the spring to fasten the bottom shell and the upper cover so that the bottom shell and the upper cover are firmly fixed together, the handle keeps the trend of continuous shortening, and the installation and the cooperation of the bottom shell and the upper cover are firmer without gaps.
According to the circuit breaker shell capable of preventing private disassembly and assembly, the circuit breaker shell is connected in a buckle connection mode, and when the circuit breaker shell is assembled, the bottom shell and the upper cover are only required to be aligned and pressed together to complete connection assembly of the bottom shell and the upper cover, and one-by-one rotation screws are not required to be required to connect the bottom shell and the upper cover like other circuit breaker assemblies, so that the assembly efficiency of the bottom shell and the upper cover is improved, the whole assembly period of the circuit breaker is shortened, and the assembly operation efficiency of the circuit breaker is improved.
The circuit breaker shell for preventing the private disassembly is characterized in that the buckle used for connecting is a first buckle with barbs at the lower end, two barbs with opposite positions are arranged, and corresponding cutting grooves are arranged on the bottom shell to serve as buckling positions which are engaged with the first buckle, so that the connection is irreversible, and the circuit breaker is further prevented from being disassembled privately.
In summary, the circuit breaker using the circuit breaker shell for preventing the private disassembly of the invention cannot be disassembled at will after the circuit breaker is assembled, and the secondary assembly difficulty after the disassembly is high, so that the structure of the circuit breaker is not changed in the use process, and the use safety of the circuit breaker is ensured. And the assembly period in the production process of the circuit breaker is relatively shortened, and the production efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of a circuit breaker housing of the present invention for preventing the private disassembly;
FIG. 2 is a schematic view of a bottom shell of the present invention;
FIG. 3 is a schematic view of the upper cover of the present invention;
FIG. 4 is a schematic view of the upper cover with a buckle according to the present invention;
FIG. 5 is a schematic view of a second latch structure according to the present invention;
FIG. 6 is a schematic view of a first latch structure according to the present invention;
FIG. 7 is an exploded view of the assembly of the second clasp of the present invention;
FIG. 8 is an enlarged view of section A of the present invention;
fig. 9 is an enlarged view of the portion B of the present invention.
In the figure: 1-bottom shell, 2-upper cover, 3-cavity, 4-opening, 5-gas filling hole, 6-convex part, 7-buckle, 8-barb, 9-first buckle, 10-cutting groove, 11-second buckle, 12-lug, 13-snap ring, 14-sealing ring, 15-handle, 16-head, 17-first connecting part, 18-second connecting part, 19-spring, 20-flange, 21-clamping groove, 22-first spring supporting beam, 23-second spring supporting beam, 24-first jack and 25-second jack.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the present application more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments, and it is apparent that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, based on the examples given, which a person of ordinary skill in the art would obtain without undue burden, are within the scope of protection of the present application.
In the description of the present application, it should be understood that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present application.
In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
Referring to fig. 1-9, the invention discloses a breaker housing for preventing private disassembly, comprising a bottom shell 1, an upper cover 2 and a buckle 7; the upper cover 2 is provided with a cavity 3, the bottom of the cavity 3 is provided with an opening 4, and the top of the cavity is provided with an air injection hole 5; the buckle 7 comprises a convex part 6, a head part 16 and a handle part 15 for connecting the convex part 6 and the head part 16, wherein the handle part 15 comprises a first connecting part 17 fixedly connected with the convex part 6 and a second connecting part 18 fixedly connected with the head part 16, the first connecting part 17 and the second connecting part 18 are connected in a sliding way, and a spring 19 is arranged between two ends of the first connecting part 17 and the second connecting part 18 and is used for enabling the handle part 15 to have a trend of keeping the existing length unchanged; the handle 15 passes through the opening 4 to enable the convex part 6 to be positioned in the cavity 3 and enable the convex part 6 to be matched with the side wall of the cavity 3; and a fastening position engaged with the head 16 is provided on the bottom case 1.
The breaker shell for preventing the private disassembly is connected with the bottom shell 1 and the upper cover 2 by a buckle connection mode, and when the breaker shell is assembled, air flow is injected into the cavity 3 from the position of the air injection hole 5 by using an air gun connected with an air source or a special air nozzle and other tools, so that stronger air pressure is kept in the cavity 3, the convex part 6 is tightly attached to the bottom of the cavity 3 and has a retaining force, the upper cover 2 is pushed, the head 16 of the buckle 7 is pressed into the buckling position on the bottom shell 1 and is connected with the buckling position, and the bottom shell 1 and the upper cover 2 are connected by the buckle connection mode. After the cavity 3 is depressurized, under the condition that the buckle 7 is not engaged with the buckling position, the buckle 7 moves relative to the upper cover 2, and the convex part 6 can slide up and down in the cavity 3, and under the condition that the buckle 7 does not have the condition of secondarily clamping the buckling position, the invention can avoid the operation behavior of non-factory professional assembly such as privately disassembling the circuit breaker using the circuit breaker shell for preventing privately disassembling, and particularly prevent great potential safety hazard caused by the condition that the circuit breaker structure is changed by privately.
It is particularly noted that, before the assembly of the bottom case 1 and the upper cover 2, the clasp 7 of the present invention adjusts and lengthens the relative length of the handle 15 by sliding the relative positions of the first connection portion 17 and the second connection portion 18, and tries to fix the relative positions of the first connection portion 17 and the second connection portion 18 (here, it may be fixed by means of glue adhesion or the like), the default state of the spring 19 at this time has been changed and has a tendency to restore its original state; when the bottom shell 1 and the upper cover 2 are assembled, the top end of the head 16 contacts the bottom of the position where the button is arranged when the button 7 is inserted into the button position on the bottom shell 1, at this time, the upper cover 2 continues to press down and push the button 7, under the pressure that the button 7 continues to push, the fixing structure (such as a glue connection block when glue is used for adhesion) of the first connection part 17 and the second connection part 18 is damaged and loses the holding force, at this time, the first connection part 17 and the second connection part 18 are pulled under the action of the spring 19 to shorten the handle 15 for fastening; after the bottom case 1 and the upper cover 2 are assembled, the fitting engagement of the bottom case 1 and the upper cover 2 is made more firm without a gap due to the fact that the handle 15 is shortened to clasp the bottom case 1 and the upper cover 2 to firmly fix them together by the action of the spring 19, and the handle 15 is kept continuously shortened.
In order to make the handle 15 have a compact design structure and reduce the space occupied by the handle 15, the first connecting part 17 is provided with a clamping groove 21, the second connecting part 18 is inserted into the clamping groove 21, two sides of the second connecting part 18 are respectively provided with a flange 20 which is attached to the end face of the clamping groove 21, and one part of the side face of the clamping groove 21 and the side face of the second connecting part 18 are hollowed out, so that the second connecting part 18 is provided with a first spring supporting beam 22, the first connecting part 17 is provided with a second spring supporting beam 23, the spring 19 is arranged between the first spring supporting beam 22 and the second spring supporting beam 23, one end of the spring 19 is fixedly connected with the first spring supporting beam 22, and the other end of the spring 19 is fixedly connected with the second spring supporting beam 23.
In addition to the above method, the first connecting portion 17 and the second connecting portion 18 may be directly connected to each other by a slide rail and slider mechanism, and a spring 19 may be disposed between the first connecting portion 17 and the second connecting portion 18 and connected to ends of the first connecting portion 17 and the second connecting portion 18.
On the basis of the compact design structure of the handle 15, in order to facilitate the length adjustment of the handle 15 before assembly, a first insertion hole 24 penetrating into the slot is arranged on the side surface of the clamping slot 21, and a second insertion hole 25 is arranged on the second connecting part 18 at the corresponding position of the first insertion hole 24 in the state that the handle 15 is stretched, so that after the handle 15 is stretched, a bolt with proper strength can be inserted into the second insertion hole 25 from the first insertion hole 24 to fix the relative positions of the first connecting part 17 and the second connecting part 18, and when the top end of the head 16 touches the bottom of the clamping position under the action of pressure during assembly, the bolt is broken due to larger acting force, and the first connecting part 17 and the second connecting part 18 are pulled under the action of the spring 19 to shorten the handle 15.
The gas injection hole 5 is further provided opposite to the convex portion 6. The gas entering the cavity 3 from the gas injection hole 5 is favorable for instantaneously causing a pushing action on the convex part 6, and is favorable for forming the holding force of the convex part 6 tightly attached to the bottom of the cavity 3.
To facilitate the application of the injected air flow to the boss 6 during assembly, the gap between the boss 6 and the side wall of the cavity 3 may be reduced as much as possible. And further, in order to realize more convenient assembly, the requirement of air pressure and flow rate of air flow injected from the air injection hole 5 is reduced, an annular sealing ring 14 surrounding the side face of the convex part 6 is arranged on the convex part 6, and the annular sealing ring 14 is in sealing fit with the inner wall of the cavity 3, under the condition, the air injected into the cavity 3 can be kept in the cavity 3 without leakage and can press the convex part 6, so that the convex part 6 has stronger fit and keeping force with the bottom of the cavity 3.
When the sealing ring 14 is arranged, an annular groove can be formed in the side face of the convex part 6, and then the sealing ring 14 is sleeved in the annular groove.
As a snap connection of the present invention, the snap is a first snap 9 having a head 16 with barbs 8, and a slot 10 is provided on the bottom case 1 to engage with the barbs 8, the slot 10 being a snap to engage with the first snap 9, and still further, the head 16 has two barbs 8 in opposite positions, such connection being irreversible, further preventing the circuit breaker from being disassembled privately.
As another fastening connection mode of the present invention, the fastening is a second fastening 11 with a fastening ring 13 at a head 16, and a lug 12 engaged with the fastening ring 13 is provided on the bottom shell 1, and the lug 12 is engaged with the second fastening 11 as a fastening position to connect the bottom shell 1 and the upper cover 2.
As a further snap connection of the invention, the snap comprises a first snap 9 with barbs 8 on the heads 16 and a second snap 11 with snap rings 13 on the heads 16, and accordingly a slot 10 engaging the barbs 8 and a lug 12 engaging the snap rings 13 are provided on the bottom shell 1.
Further, the first buckles 9 are disposed at the middle area of the upper cover 2, and the second buckles 11 are distributed at two side edge areas of the upper cover 2. The connection between the first buckle 9 and the slot 10 is irreversible, so that the circuit breaker can be prevented from being disassembled privately, and the connection structure space occupation position between the first buckle 9 and the slot 10 is relatively large, the structure space occupation position between the second buckle 11 and the lug 12 is small, the middle area position of the upper cover 2 distributes the second buckle 11 in the edge areas on two sides of the upper cover 2, and the circuit breaker shell for preventing the disassembly privately is arranged, so that the circuit breaker shell for preventing the disassembly privately is beneficial to manufacture of the circuit breaker shell for preventing the disassembly privately while ensuring the connection reliability.
The breaker using the breaker shell for preventing the private disassembly of the invention can not be disassembled at will after being assembled, has large secondary assembly difficulty after being disassembled, ensures that the structure of the product is not changed in the use process, and ensures the use safety of the product. And the assembly period in the production process of the circuit breaker is relatively shortened, and the production efficiency is improved.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (7)
1. The utility model provides a circuit breaker shell of prevention dismouting privately which characterized in that: comprises a bottom shell (1), an upper cover (2) and a buckle (7); a cavity (3) is formed in the upper cover (2), an opening (4) is formed in the bottom of the cavity (3), and an air injection hole (5) is formed in the top of the cavity; the buckle (7) comprises a convex part (6), a head part (16) and a handle part (15) for connecting the convex part (6) and the head part (16), wherein the handle part (15) comprises a first connecting part (17) fixedly connected with the convex part (6) and a second connecting part (18) fixedly connected with the head part (16), the first connecting part (17) and the second connecting part (18) are in sliding connection, and a spring (19) is arranged between two end parts of the first connecting part (17) and the second connecting part (18) and is used for enabling the handle part (15) to have the trend of keeping the existing length unchanged; the handle (15) passes through the opening (4) to enable the convex part (6) to be positioned in the cavity (3) and enable the convex part (6) to be matched with the side wall of the cavity (3); a buckling position which is jointed with the head part (16) is arranged on the bottom shell (1); the gas injection hole (5) is arranged opposite to the convex part (6); the first connecting part (17) is provided with a clamping groove (21), the second connecting part (18) is inserted into the clamping groove (21), two sides of the second connecting part (18) are respectively provided with a flange (20) to be attached to the end face of the clamping groove (21), a part of the side faces of the clamping groove (21) and the second connecting part (18) are hollowed out, the second connecting part (18) is provided with a first spring supporting beam (22), the first connecting part (17) is provided with a second spring supporting beam (23), the spring (19) is arranged between the first spring supporting beam (22) and the second spring supporting beam (23), one end of the spring (19) is fixedly connected with the first spring supporting beam (22), and the other end of the spring (19) is fixedly connected with the second spring supporting beam (23); a first insertion hole (24) penetrating into the slot is arranged on the side surface of the clamping slot (21), and a second insertion hole (25) opposite to the first insertion hole (24) is arranged on the second connecting part (18).
2. The privately removable circuit breaker housing of claim 1, wherein: an annular sealing ring (14) surrounding the side surface of the convex part (6) is arranged on the convex part (6), and the annular sealing ring (14) is in sealing fit with the inner wall of the cavity (3).
3. The privately removable circuit breaker housing of claim 1, wherein: the buckle is a first buckle (9) with a barb (8) on a head (16), and a cutting groove (10) which is engaged with the barb (8) is arranged on the bottom shell (1).
4. A circuit breaker housing for preventing private disassembly according to claim 3, wherein: the head (16) has two barbs (8) located opposite each other.
5. The privately removable circuit breaker housing of claim 1, wherein: the fastener is a second fastener (11) with a clamping ring (13) at the head (16), and a lug (12) which is engaged with the clamping ring (13) is arranged on the bottom shell (1).
6. The privately removable circuit breaker housing of claim 1, wherein: the clasp comprises a first clasp (9) with a plurality of heads (16) having barbs (8) and a second clasp (11) with a plurality of heads (16) having clasps (13), and is correspondingly provided with a slot (10) engaging the barbs (8) and a lug (12) engaging the clasps (13) on the bottom shell (1).
7. The privately removable circuit breaker housing of claim 6, wherein: the first buckles (9) are arranged in the middle area of the upper cover (2), and the second buckles (11) are distributed in the edge areas on two sides of the upper cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543324.4A CN109449058B (en) | 2018-12-17 | 2018-12-17 | Breaker shell capable of preventing private disassembly and assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811543324.4A CN109449058B (en) | 2018-12-17 | 2018-12-17 | Breaker shell capable of preventing private disassembly and assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109449058A CN109449058A (en) | 2019-03-08 |
| CN109449058B true CN109449058B (en) | 2024-01-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811543324.4A Active CN109449058B (en) | 2018-12-17 | 2018-12-17 | Breaker shell capable of preventing private disassembly and assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109449058B (en) |
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| CN205050785U (en) * | 2015-10-20 | 2016-02-24 | 乐清市海达胶塑配件厂 | Moulded case circuit breaker casing |
| CN205621678U (en) * | 2016-05-24 | 2016-10-05 | 浙江共进电器科技有限公司 | Intelligent molded case circuit breaker |
| CN205845857U (en) * | 2016-06-28 | 2016-12-28 | 上海通用广电电力元件有限公司 | A kind of low-pressure plastic shell circuit breaker cover anti-disassembling mechanism |
| CN206349312U (en) * | 2016-12-16 | 2017-07-21 | 浙江正泰电器股份有限公司 | Residual current action breaker connection structure of outer shell |
| CN206282807U (en) * | 2016-12-28 | 2017-06-27 | 杭州尚美电气有限公司 | Switch disconnector |
| KR20180090598A (en) * | 2017-02-03 | 2018-08-13 | 엘에스산전 주식회사 | Circuit breaker |
| CN107591292A (en) * | 2017-11-06 | 2018-01-16 | 鹤山市辉域成套设备有限公司 | A kind of miniature circuit breaker support |
| CN208093478U (en) * | 2018-03-29 | 2018-11-13 | 浙江英博电气股份有限公司 | A kind of novel breaker |
| CN209133430U (en) * | 2018-12-17 | 2019-07-19 | 嘉兴市加控电气设备制造有限公司 | A kind of case for circuit breaker for preventing to dismount privately |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109449058A (en) | 2019-03-08 |
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Address after: 314000 north side of Miaoxia bridge, Zhengyuan Road, Youchegang, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee after: JiaKong Electric Power Co.,Ltd. Country or region after: China Address before: 314000 north side of Miaoxia bridge, Zhengyuan Road, Youchegang, Xiuzhou District, Jiaxing City, Zhejiang Province Patentee before: JIAXING JIAKONG ELECTRICAL EQUIPMENT MANUFACTURE CO.,LTD. Country or region before: China |
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