CN215933506U - Circuit breaker and circuit breaker sealing device - Google Patents
Circuit breaker and circuit breaker sealing device Download PDFInfo
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- CN215933506U CN215933506U CN202121799276.2U CN202121799276U CN215933506U CN 215933506 U CN215933506 U CN 215933506U CN 202121799276 U CN202121799276 U CN 202121799276U CN 215933506 U CN215933506 U CN 215933506U
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Abstract
The utility model discloses a circuit breaker and a circuit breaker sealing device. The protecting cover body can cover and establish on the supplementary end of circuit breaker for prevent supplementary end infiltration, the water drainage tank subassembly sets up the first side that the protecting cover body is close to the explosion chamber of circuit breaker, is used for the steam condensation of discharging, avoids inside the steam condensation invasion switch. The protecting shield body and the cooperation of drainage subassembly realize the protection to the circuit breaker, avoid external salt fog and corrosive water vapour to get into auxiliary end and explosion chamber, improve the corrosion protection of circuit breaker, reduce the risk of air circuit breaker functional failure.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a circuit breaker and a circuit breaker sealing device.
Background
The air circuit breaker is a switch which can be automatically disconnected as long as the current in the circuit exceeds the rated current, is a very important electric appliance in a low-voltage distribution network, and integrates control and various protection functions.
The air circuit breaker is applied to offshore areas, and the salt spray and corrosive water vapor content in the working environment is high. The protection means of air circuit breaker early stage can not satisfy salt fog and the high operational environment of corrosive water vapour content, and inside salt fog and the very easy entering switch of corrosive water vapour caused air circuit breaker functional failure.
Therefore, how to improve the corrosion protection effect of the circuit breaker becomes a technical problem to be solved urgently by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of the above, the present invention provides a circuit breaker sealing device to improve the corrosion protection effect of the circuit breaker. The utility model also provides a circuit breaker.
In order to achieve the purpose, the utility model provides the following technical scheme:
a sealing device of a circuit breaker comprises a protective cover body and a drainage tank assembly,
the protective cover body can cover the auxiliary end head of the circuit breaker and is fixedly connected with the circuit breaker,
the water drainage tank assembly is arranged on the first side, close to the arc extinguish chamber of the circuit breaker, of the protective cover body, and the water drainage tank assembly is used for discharging water vapor condensation.
Preferably, in the sealing device of the circuit breaker, the shape of the protective cover body is adapted to the shape of the auxiliary terminal, the lower end of the protective cover body is an open end, the protective cover body is covered on the auxiliary terminal through the open end,
the protective cover body comprises a vertical plate, a top plate, an inclined plate, a first side plate and a second side plate,
the vertical plate is located on a first side of the protective cover body, the inclined plate is located on a second side, far away from the arc extinguish chamber, of the protective cover body, the top plate is located between the vertical plate and the inclined plate, the top plate is opposite to an open end of the protective cover body, the inclined plate inclines towards the open end from the top plate, and the first side plate and the second side plate are located on a third side and a fourth side of the protective cover body in the width direction respectively.
Preferably, in the circuit breaker sealing device, the inclined plate is a step-shaped inclined plate, an upper end of a first step surface of the step-shaped inclined plate is connected to the top plate, an upper end of a second step surface of the step-shaped inclined plate is connected to a lower end of the first step surface, a third step surface of the step-shaped inclined plate is a vertical step surface, and an upper end of the vertical step surface is connected to a lower end of the second step surface;
the upper end of the second step surface is provided with a limiting plate, the limiting plate can be attached to one side, away from the arc extinguish chamber, of the auxiliary end, and the limiting plate is parallel to the third step surface.
Preferably, in the sealing device of the circuit breaker, a partition plate assembly is arranged in the protective cover body and used for isolating two adjacent auxiliary terminals,
the baffle plate assembly comprises a first baffle plate and a second baffle plate, the first baffle plate is perpendicular to the vertical plate, one end of the first baffle plate is connected with the vertical plate, the other end of the first baffle plate is connected with the limiting plate, the number of the first baffle plate is two, and the second baffle plate is perpendicular to the first baffle plate.
Preferably, in the sealing device for a circuit breaker, a lock plate is arranged on the position limiting plate, and the lock plate is connected with the circuit breaker through a bolt;
and the third side and the fourth side of the protective cover body are respectively provided with a clamping hook, the clamping hooks are connected with the circuit breaker in a clamping manner, and the orientation of each clamping hook is back to the locking plate.
Preferably, in the above circuit breaker sealing apparatus, the drain assembly is provided at an open end of the shield body,
the drainage assembly comprises a guide plate and a water baffle,
the guide plate is connected with the open side of the protective cover body, the guide plate is a U-shaped guide plate, the U-shaped guide plate is arranged along the first side plate, the vertical plate and the second side plate, the water baffle is a U-shaped water baffle, the water baffle is connected with the upper surface of the U-shaped guide plate, a water outlet is formed in the water baffle, and the water outlet is formed in the position, corresponding to the second side plate, of the water baffle.
Preferably, in the sealing device of the circuit breaker, the U-shaped guide plate includes a first guide plate, a second guide plate and a third guide plate, the first guide plate is connected to the first side plate of the protective shield body, the second guide plate is connected to the vertical plate, the third guide plate is connected to the second side plate of the protective shield body, the first guide plate is an inclined guide plate, the first guide plate is inclined from the inclined plate of the protective shield body to the vertical plate of the protective shield body, the second guide plate is a step-shaped guide plate, the starting end of the first step surface of the step-shaped guide plate is connected to the end of the first guide plate, the first step surface is inclined downward from the first side plate of the protective shield body, the starting end of the second step surface of the step-shaped guide plate is connected to the end of the first step surface, and the inclination angle of the second step surface is greater than the inclination angle of the first step surface, the initiating terminal of the third step face of step-like guide plate with the end-to-end connection of second step face, the third step face certainly the terminal downward sloping of second step face and inclination are less than the second step face, the third guide plate is the slope guide plate, the initiating terminal of third guide plate with the end-to-end connection of third step face, the third guide plate certainly the vertical board of the shield body to the shield body's hang plate downward sloping, the end of third guide plate sets up the outlet.
Preferably, in the sealing device for a circuit breaker, the rainproof cover body further comprises a plurality of support plates, the plurality of support plates are arranged side by side along the length direction of the rainproof cover body,
the backup pad is installed the lower surface of second step face, backup pad one end with limiting plate connects, the other end of backup pad with third step face is connected.
Preferably, in the sealing device for a circuit breaker, a sealing gasket is disposed on a side of the partition plate assembly, where the limiting plate contacts the auxiliary terminal.
A circuit breaker, includes circuit breaker sealing device, circuit breaker sealing device is for any one the record in above-mentioned scheme circuit breaker sealing device.
According to the technical scheme, the sealing device of the circuit breaker comprises a protective cover body and a drainage channel assembly. The protecting cover body can cover and establish on the supplementary end of circuit breaker for prevent supplementary end infiltration, the water drainage tank subassembly sets up the first side that the protecting cover body is close to the explosion chamber of circuit breaker, is used for the steam condensation of discharging, avoids inside the steam condensation invasion switch. The protecting shield body and the cooperation of drainage subassembly realize the protection to the circuit breaker, avoid external salt fog and corrosive water vapour to get into auxiliary end and explosion chamber, improve the corrosion protection of circuit breaker, reduce the risk of air circuit breaker functional failure.
This scheme still discloses a circuit breaker, including circuit breaker sealing device, circuit breaker sealing device be the circuit breaker sealing device who records in the above-mentioned arbitrary scheme. Because the circuit breaker sealing device has the technical effect, the circuit breaker with the circuit breaker sealing device also has the same technical effect, and the description is omitted.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 2 is a schematic bottom structure diagram of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 4 is a bottom view of a circuit breaker seal arrangement provided by an embodiment of the present invention;
fig. 5 is a top view of a circuit breaker seal arrangement provided by an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 7 is a schematic front structural diagram of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 8 is a schematic front structural view of a sealing device of a circuit breaker according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a circuit breaker sealing device and a circuit breaker provided in an embodiment of the present invention.
Wherein the content of the first and second substances,
100. the protective hood comprises a protective hood body, 101, a vertical plate, 102, a top plate, 103, an inclined plate, 103-1, a first step surface, 103-2, a second step surface, 103-3, a third step surface, 104, a first side plate, 105, a second side plate, 105, a limiting plate, 106, a partition plate assembly, 106-1, a first partition plate, 106-2, a second partition plate, 107, a locking plate, 108 and a clamping hook;
200. the drainage channel assembly comprises a drainage channel assembly 201, a guide plate 201-1, a first guide plate 201-2, a second guide plate 201-3, a third guide plate 202 and a water baffle.
Detailed Description
The utility model discloses a sealing device of a circuit breaker, which aims to improve the corrosion protection effect of the circuit breaker.
The utility model also discloses a circuit breaker.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Please refer to fig. 1-9.
The utility model discloses a circuit breaker sealing device which is used for realizing an area with water seepage risk to a larger gap such as an auxiliary end head, an arc extinguish chamber outer ring and the like.
The circuit breaker sealing device disclosed by the scheme comprises a protective cover body 100 and a drainage assembly 200.
The protective cover body 100 can cover the auxiliary end of the circuit breaker and is used for preventing the auxiliary end from water seepage, and the protective cover body 100 is fixedly connected with the circuit breaker;
In this scheme, the side of keeping away from the explosion chamber with the protecting cover body 100 is named the second side of protecting cover body 100, and the first side and the second side of protecting cover body 100 are located the length direction's of protecting cover body 100 both sides, and the width direction's of protecting cover body 100 both sides are named third side and fourth side respectively.
The circuit breaker sealing device of this scheme discloses, through the cooperation of protecting shield body 100 and drainage subassembly 200, realize the protection to the circuit breaker, avoid external salt fog and corrosive water vapour to get into auxiliary end and explosion chamber, improve the corrosion protection of circuit breaker, reduce the risk of air circuit breaker functional failure.
In some embodiments of the present application, the whole protective shield 100 is designed with a large arc, and the shape of the auxiliary tip is matched to satisfy the arc spraying distance and release the air pressure.
The shape of the protective cover body 100 is matched with that of the auxiliary end, the lower end of the protective cover body 100 is an open end, and the protective cover body 100 is arranged on the auxiliary end through the open end.
The shield body 100 includes a vertical plate 101, a top plate 102, an inclined plate 103, a first side plate 104, and a second side plate 105.
Wherein the vertical plate 101 is located at a first side of the protective shield 100;
the inclined plate 103 is positioned on the second side of the protective cover body 100, and the inclined plate 103 inclines from the top plate 102 to the open end;
the top plate 102 is located between the vertical plate 101 and the inclined plate 103, and the position of the top plate 102 is opposite to the position of the open end;
a first side plate 104 and a second side plate 105 are located at the third side and the fourth side, respectively, and the first side plate 104 and the second side plate 105 are used for blocking the third side and the fourth side of the protective cover.
Preferably, the protective cover body 100 disclosed in this embodiment is a transparent or semitransparent cover body, which facilitates observation of the wiring state and the indication position of the protective cover body 100.
In one particular embodiment of the solution, the tilting plate 103 is a stepped tilting plate having a first step face 103-1, a second step face 103-2 and a third step face 103-3.
The first step surface 103-1 and the second step surface 103-2 are both inclined surfaces, the third step surface 103-3 is a vertical surface, wherein the upper end of the first step surface 103-1 is connected with the top plate 102, the lower end of the first step surface 103-1 is connected with the upper end of the second step surface 103-2, the lower end of the second step surface 103-2 is connected with the upper end of the third step surface 103-3, and the lower end of the third step surface 103-3 is a free end.
The inclined plate 103 is designed into a step-shaped inclined plate, so that the water vapor condensation can be guided, and the matching surface of the protective cover body 100 and the auxiliary end can be protected. Specifically, the first step surface 103-1 extends downwards to one side of the auxiliary end far away from the arc extinguish chamber, and the second step surface 103-2 continues to extend downwards and exceeds the matching surface of the protective cover body 100 and the auxiliary end, so that external water vapor is prevented from being condensed and entering the matching surface of the protective cover body 100 and the auxiliary end.
The third step surface 103-3 is a vertical surface, and plays a role in guiding water vapor condensation on the inclined plate 103.
A limiting plate 105 is arranged at the connecting position of the second step surface 103-2 and the first step surface 103-1, the limiting plate 105 can be attached to one side of the auxiliary breaking and disconnecting far away from the arc extinguish chamber, and the limiting plate 105 is matched with the vertical plate 101 to realize the positioning and installation of the protective cover body 100 and the auxiliary end head along the width direction of the protective cover body 100.
A baffle assembly 106 is disposed within protective shield body 100 for isolating adjacent auxiliary tips.
In a specific embodiment of the present disclosure, the partition assembly 106 includes a first partition 106-1 and a second partition 106-2, the first partition 106-1 is perpendicular to the vertical plate 101, the number of the first partitions 106-1 is two, one end of the first partition 106-1 is connected to the vertical plate 101, the other end of the first partition 106-1 is connected to the limiting plate 105, the second partition 106-2 is perpendicular to the first partition 106-1, and two ends of the second partition 106-2 are respectively connected to the two first partitions 106-1.
There are a plurality of baffle assemblies 106 for dividing the shield body 100 into a plurality of chambers. Between bulkhead assembly 106 and first side plate 104, between adjacent bulkhead assemblies 106, and between bulkhead assembly 106 and second side plate 105 for mounting auxiliary terminations.
The partition plate assembly 106, the limiting plate 105 and the vertical plate 101 are matched to realize the installation and positioning between the protective cover body 100 and the auxiliary end head, and the assembly connection and the stable auxiliary line transmission of the circuit breaker sealing device are realized.
The protective enclosure 100 is fixedly attached to the circuit breaker.
In one embodiment of the present disclosure, the protective housing 100 is connected to the circuit breaker by a locking plate 107 and a hook 108.
Specifically, a locking plate 107 is arranged on the limiting plate 105, a bolt hole is formed in the locking plate 107, and the locking plate 107 is connected with a circuit breaker bolt;
the third side and the fourth side of the protective cover body 100 are both provided with a hook 108, the hook 108 is connected with the circuit breaker in a clamping manner, preferably, the orientation of the hook 108 faces away from the locking plate 107, that is, the locking directions of the hook 108 and the locking plate 107 are opposite, and the protective cover body 100 is fixedly connected with the circuit breaker through the interaction of the hook 108 and the locking plate 107.
When the protective cover 100 is detached, the bolt connection between the locking plate 107 and the circuit breaker is released, and then the protective cover 100 is pulled in the direction opposite to the extending direction of the hook 108, so that the protective cover 100 can be detached.
The drain assembly 200 is disposed at the open end of the protective cage body 100.
In one embodiment of the present solution, the drain assembly 200 includes a deflector 201 and a splash plate 202.
The U-shaped guide plate is arranged along the first side plate 104, the vertical plate 101 and the second side plate 105, the U-shaped guide plate is perpendicular to the vertical plate 101, the water baffle 202 is a U-shaped water baffle, the U-shaped water baffle is perpendicular to the U-shaped guide plate and is connected with the upper surface of the U-shaped guide plate, a water outlet is formed in the water baffle 202, the water outlet is formed in the water baffle 202, and the water outlet is formed in the position, corresponding to the second side plate 105, of the water baffle 202.
Alternatively, the first and second electrodes may be,
the guide plate 201 is an L-shaped guide plate, the L-shaped guide plate is arranged along the vertical plate 101 and the second side plate 105, the L-shaped guide plate is perpendicular to the vertical plate 101, the water baffle 202 is an L-shaped water baffle, the L-shaped water baffle is perpendicular to the L-shaped guide plate and is connected with the upper surface of the U-shaped guide plate, a water outlet is formed in the water baffle 202, the water outlet is formed in the water baffle 202, and the water outlet is formed in the position, corresponding to the second side plate 105, of the water baffle 202.
In one embodiment of the present disclosure, the U-shaped flow guide plate includes a first flow guide plate 201-1, a second flow guide plate 201-2, and a third flow guide plate 201-3.
The first guide plate 201-1 is connected with the third side plate of the protective cover body 100, the second guide plate 201-2 is connected with the vertical plate 101, and the third guide plate 201-3 is connected with the second side plate 105 of the protective cover body 100;
the first guide plate 201-1 is an inclined guide plate, and the first guide plate 201-1 inclines from the inclined plate 103 of the protective cover body 100 to the vertical plate 101 of the protective cover body 100;
the second guide plate 201-2 is a step-shaped guide plate 201, the starting end of a first step surface 103-1 of the step-shaped guide plate 201 is connected with the tail end of the first guide plate 201-1, the first step surface 103-1 inclines downwards from the first side plate 104 of the protective shield body 100, the starting end of a second step surface 103-2 of the step-shaped guide plate 201 is connected with the tail end of the first step surface 103-1, the inclination angle of the second step surface 103-2 is larger than that of the first step surface 103-1, the starting end of a third step surface 103-3 of the step-shaped guide plate 201 is connected with the tail end of the second step surface 103-2, and the third step surface 103-3 inclines downwards from the tail end of the second step surface 103-2 and has an inclination angle smaller than that of the second step surface 103-2;
the third guide plate 201-3 is an inclined guide plate, the starting end of the third guide plate 201-3 is connected with the tail end of the third step surface 103-3, the third guide plate 201-3 inclines downwards from the vertical plate 101 to the inclined plate 103 of the protective cover body 100, and the tail end of the third guide plate 201-3 is provided with a water outlet.
The second guide plate 201-2 is designed to accelerate the flow rate of the water vapor condensation and reduce the amount of the water vapor condensation accumulated in the drainage assembly 200.
In order to further optimize the technical scheme, the circuit breaker sealing device disclosed by the scheme further comprises a plurality of supporting plates, and the supporting plates are arranged side by side along the length direction of the protective cover body 100.
Specifically, the support plate is mounted on the lower surface of the second step surface 103-2, one end of the support plate is connected to the limit plate 105, and the other end of the support plate is connected to the third step surface 103-3. The support plate serves to reinforce the strength of the second step surface 103-2 of the inclined plate 103 of the shield body 100.
To further enhance the protection effect, the partition plate assembly 106 and the side of the limiting plate 105 contacting the auxiliary end have sealing gaskets.
This scheme still discloses a circuit breaker, including circuit breaker sealing device, circuit breaker sealing device be the circuit breaker sealing device who records in the above-mentioned arbitrary scheme. Because the circuit breaker sealing device has the technical effect, the circuit breaker with the circuit breaker sealing device also has the same technical effect, and the description is omitted.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. A circuit breaker sealing device is characterized by comprising a protective cover body and a drainage tank assembly,
the protective cover body can cover the auxiliary end head of the circuit breaker and is fixedly connected with the circuit breaker,
the water drainage tank assembly is arranged on the first side, close to the arc extinguish chamber of the circuit breaker, of the protective cover body, and the water drainage tank assembly is used for discharging water vapor condensation.
2. The circuit breaker sealing device according to claim 1, wherein the shape of the shield body is adapted to the shape of the auxiliary terminal, the lower end of the shield body is an open end, the shield body is disposed on the auxiliary terminal through the open end,
the protective cover body comprises a vertical plate, a top plate, an inclined plate, a first side plate and a second side plate,
the vertical plate is located on a first side of the protective cover body, the inclined plate is located on a second side, far away from the arc extinguish chamber, of the protective cover body, the top plate is located between the vertical plate and the inclined plate, the top plate is opposite to an open end of the protective cover body, the inclined plate inclines towards the open end from the top plate, and the first side plate and the second side plate are located on a third side and a fourth side of the protective cover body in the width direction respectively.
3. The circuit breaker sealing device according to claim 2, wherein the inclined plate is a stepped inclined plate, an upper end of a first step surface of the stepped inclined plate is connected to the top plate, an upper end of a second step surface of the stepped inclined plate is connected to a lower end of the first step surface, a third step surface of the stepped inclined plate is a vertical step surface, and an upper end of the vertical step surface is connected to a lower end of the second step surface;
the upper end of the second step surface is provided with a limiting plate, the limiting plate can be attached to one side, away from the arc extinguish chamber, of the auxiliary end, and the limiting plate is parallel to the third step surface.
4. The circuit breaker seal apparatus of claim 3 wherein a barrier assembly is disposed within the protective enclosure, the barrier assembly configured to isolate two adjacent auxiliary terminations,
the baffle plate assembly comprises a first baffle plate and a second baffle plate, the first baffle plate is perpendicular to the vertical plate, one end of the first baffle plate is connected with the vertical plate, the other end of the first baffle plate is connected with the limiting plate, the number of the first baffle plate is two, and the second baffle plate is perpendicular to the first baffle plate.
5. The circuit breaker sealing device according to claim 3, wherein a locking plate is disposed on the limiting plate, and the locking plate is bolted to the circuit breaker;
and the third side and the fourth side of the protective cover body are respectively provided with a clamping hook, the clamping hooks are connected with the circuit breaker in a clamping manner, and the orientation of each clamping hook is back to the locking plate.
6. The circuit breaker seal assembly of claim 2 wherein the drain tank assembly is disposed at an open end of the protective enclosure,
the drainage channel assembly comprises a guide plate and a water baffle,
the guide plate is connected with the open side of the protective cover body, the guide plate is a U-shaped guide plate, the U-shaped guide plate is arranged along the first side plate, the vertical plate and the second side plate, the water baffle is a U-shaped water baffle, the water baffle is connected with the upper surface of the U-shaped guide plate, a water outlet is formed in the water baffle, and the water outlet is formed in the position, corresponding to the second side plate, of the water baffle.
7. The circuit breaker sealing device according to claim 6, wherein the U-shaped deflector comprises a first deflector connected to the first side plate of the protective shield body, a second deflector connected to the vertical plate, and a third deflector connected to the second side plate of the protective shield body, the first deflector is an inclined deflector that is inclined from the inclined plate of the protective shield body toward the vertical plate of the protective shield body, the second deflector is a stepped deflector whose starting end of the first step surface is connected to the end of the first deflector, the first step surface is inclined downward from the first side plate of the protective shield body, and whose starting end of the second step surface is connected to the end of the first step surface, the inclination angle of second step face is greater than the inclination angle of first step face, the initiating terminal of the third step face of step-like guide plate with the end-to-end connection of second step face, the third step face certainly the terminal downward sloping and the inclination angle of second step face are less than the second step face, the third guide plate is the slope guide plate, the initiating terminal of third guide plate with the end-to-end connection of third step face, the third guide plate certainly the vertical board of the protecting shield body to the tilted plate downward sloping of the protecting shield body, the end of third guide plate sets up the outlet.
8. The circuit breaker sealing device according to claim 3, wherein the protective cover further comprises a plurality of support plates, the plurality of support plates are arranged side by side along a length direction of the protective cover,
the backup pad is installed the lower surface of second step face, backup pad one end with limiting plate connects, the other end of backup pad with third step face is connected.
9. The circuit breaker seal assembly of claim 4 wherein the diaphragm assembly and the retainer plate are provided with gaskets on the side in contact with the auxiliary terminals.
10. A circuit breaker comprising a circuit breaker seal, the circuit breaker seal being as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799276.2U CN215933506U (en) | 2021-08-03 | 2021-08-03 | Circuit breaker and circuit breaker sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121799276.2U CN215933506U (en) | 2021-08-03 | 2021-08-03 | Circuit breaker and circuit breaker sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215933506U true CN215933506U (en) | 2022-03-01 |
Family
ID=80399524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121799276.2U Active CN215933506U (en) | 2021-08-03 | 2021-08-03 | Circuit breaker and circuit breaker sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215933506U (en) |
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2021
- 2021-08-03 CN CN202121799276.2U patent/CN215933506U/en active Active
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