CN212784311U - High-safety closed switch equipment - Google Patents
High-safety closed switch equipment Download PDFInfo
- Publication number
- CN212784311U CN212784311U CN202021912148.XU CN202021912148U CN212784311U CN 212784311 U CN212784311 U CN 212784311U CN 202021912148 U CN202021912148 U CN 202021912148U CN 212784311 U CN212784311 U CN 212784311U
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- Prior art keywords
- seat
- groove
- cabinet
- heat dissipation
- cabinet body
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- Expired - Fee Related
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- 230000017525 heat dissipation Effects 0.000 claims abstract description 77
- 239000000428 dust Substances 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 25
- 238000001816 cooling Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008439 repair process Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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Abstract
The utility model belongs to the technical field of electrical equipment, in particular to a closed switch device with high safety, which comprises a switch cabinet body and a cabinet seat, wherein the bottom of the switch cabinet body is provided with the cabinet seat, the two sides of the bottom of the switch cabinet body are integrally formed with a connecting rod, the inner wall of the connecting rod is provided with a connecting slot, the upper end of the cabinet seat is integrally formed with a connecting seat, the outer walls of the two sides of the connecting seat are integrally formed with a connecting clamping rod, the bottom of the switch cabinet body is provided with a heat dissipation through slot, the upper end of the cabinet seat and the inside of the connecting seat are provided with a heat dissipation through slot, the inside of the cabinet seat is provided with a heat dissipation through slot of three, the two sides of the heat dissipation through slot of three are respectively and fixedly connected with a dust screen, and the switch cabinet body is placed stably and is not easy to topple over, the safety is higher relatively, and the pull down of the cubical switchboard cabinet body of being convenient for in the future send the repairment, and it is convenient to pull down, operates swiftly.
Description
Technical Field
The utility model belongs to the technical field of electrical equipment, concretely relates to high closed switch equipment of security.
Background
The switch cabinet is an electrical device, the exterior line of the switch cabinet firstly enters a main control switch in the cabinet, then enters a branch control switch, each branch circuit is arranged according to the requirement, such as an instrument, an automatic control, a motor magnetic switch and various alternating current contactors, etc., the switch cabinet mainly has the functions of opening, closing, controlling and protecting the electrical equipment in the process of generating electricity, transmitting electricity, distributing electricity and converting electric energy of an electric power system, the components in the switch cabinet mainly comprise a breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices, etc., the switch cabinet has a plurality of classification methods, such as a movable switch cabinet and a fixed switch cabinet by the installation mode of the breaker; or according to different cabinet body structures, the cabinet body can be divided into an open type switch cabinet, a metal closed switch cabinet and a metal closed armored switch cabinet; the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like can be divided according to different voltage grades, and the high-voltage switch cabinet, the medium-voltage switch cabinet, the low-voltage switch cabinet and the like are mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, factories and mining enterprises, residential districts, high-rise buildings and the like.
The existing metal closed switch cabinet has the following problems in the use process: the switch cabinet is directly arranged on the ground or fixedly arranged on the ground through screws, a better supporting structure is lacked at the bottom of the cabinet body, and the cabinet body is arranged in a direct arrangement mode, so that the cabinet body is not stably arranged, the cabinet body is easy to topple under stress, and certain potential safety hazards exist; the cabinet body is installed in a screw fixing mode, so that the cabinet body can be placed stably, but the cabinet body is detached and repaired in the future in a fixed installation mode, and the use of the cabinet body is affected.
SUMMERY OF THE UTILITY MODEL
For solving the above-mentioned problem that exists among the prior art, the utility model provides a high closed switch equipment of security has the characteristics of laying firmly and using conveniently.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high closed switch equipment of security, includes the cubical switchboard cabinet body and cabinet seat, the bottom of the cubical switchboard cabinet body is provided with the cabinet seat, the homogeneous shaping in bottom both sides of the cubical switchboard cabinet body has the connecting rod, connecting groove has been seted up to the inner wall of connecting rod, the upper end integrated into one piece of cabinet seat has the connecting seat, the homogeneous shaping in both sides outer wall of connecting seat has a hitch bar, logical groove of a heat dissipation has been seted up to the bottom of the cubical switchboard cabinet body, No. two heat dissipation logical grooves have been seted up jointly to the upper end of cabinet seat and the inside of connecting seat, logical groove of No. three heat dissipations has been seted up to the inside of cabinet seat, the both sides that logical groove of No. three heat dissipations are located the equal fixedly connected with dust screen.
As the utility model discloses a high preferred technical scheme of closed switchgear of security, the cabinet seat is the metal component, the bottom fixedly connected with bedplate of cabinet seat, the bedplate is the metal component, the bottom face fixedly connected with seatpad of bedplate, the seatpad is rubber component.
As the utility model discloses a high preferred technical scheme of closed switchgear of security, a plurality of mounting holes have all been seted up jointly to the both sides of bedplate and seatpad.
As the utility model discloses a high preferred technical scheme of closed switchgear of security, a heat dissipation leads to groove, No. two heat dissipations lead to the inslot portion and communicates with each other with No. three heat dissipations, the equal fixedly connected with branch in inside both sides that No. three heat dissipations lead to the groove, branch is the metal component.
As the utility model discloses a high preferred technical scheme of closed switchgear of security, the inner wall of connecting rod and the outer wall of connecting seat are laminated each other.
As the utility model discloses a high preferred technical scheme of closed switch equipment of security, a connecting groove and the mutual block of a connecting clamping rod and section are the arc structure.
Compared with the prior art, the beneficial effects of the utility model are that: the bottom of the switch cabinet body is provided with a cabinet seat, the cabinet seat is fixedly arranged on the ground, then the switch cabinet body is arranged at the upper end of the cabinet seat, the switch cabinet body and the cabinet seat are mutually clamped and connected through a first connecting clamping groove which is formed on the inner wall of a connecting rod and positioned on two sides of the bottom end of the cabinet seat, and a first connecting clamping rod which is integrally formed on the outer wall of the connecting seat and positioned on the upper end of the cabinet seat is mutually clamped and connected, so that the switch cabinet body is more stably placed, the switch cabinet body is not easy to topple over, the safety is relatively higher, and the switch cabinet body is convenient to detach and repair in the future, the switch cabinet body is convenient to detach and fast to operate, meanwhile, through a first heat dissipation through groove which is formed on the bottom end of the switch cabinet body, a second heat dissipation through groove which is formed on the upper end of the cabinet seat and inside the connecting seat together, and a third heat dissipation through groove which is, make outside dust debris difficult for leading to the groove through No. three heat dissipations, No. two heat dissipations lead to the groove and lead to the inside that the groove got into the cubical switchboard cabinet body through a heat dissipation, simple structure, it is convenient to use, the better use of the cubical switchboard cabinet body of being convenient for.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the external connection front section structure of the seat body of the present invention;
fig. 3 is a schematic view of the external connection structure of the seat body of the present invention;
fig. 4 is a schematic sectional view of a connection front view of the cabinet and the seat in embodiment 2;
fig. 5 is a schematic front sectional view illustrating an external connection of the seat body in embodiment 2;
fig. 6 is a front view of the external connection structure of the seat body in embodiment 2;
in the figure: 1. a switch cabinet body; 2. a cabinet base; 3. a connecting rod; 4. a connecting seat; 5. the first connecting card slot; 6. the first connecting clamping rod; 7. a first heat dissipation through groove; 8. a second heat dissipation through groove; 9. a third heat dissipation through groove; 10. a strut; 11. a dust screen; 12. a seat plate; 13. a seat cushion; 14. mounting holes; 15. the second connecting card slot; 16. the second connecting clamping rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, fig. 2 and fig. 3, the present invention provides the following technical solutions: a closed switch device with high safety comprises a switch cabinet body 1 and a cabinet base 2, wherein the bottom of the switch cabinet body 1 is provided with the cabinet base 2, two sides of the bottom end of the switch cabinet body 1 are uniformly formed with a connecting rod 3, the inner wall of the connecting rod 3 is provided with a connecting clamping groove 5, the upper end of the cabinet base 2 is integrally formed with a connecting seat 4, the outer walls of the two sides of the connecting seat 4 are uniformly formed with a connecting clamping rod 6, the bottom end of the switch cabinet body 1 is provided with a heat dissipation through groove 7, the upper end of the cabinet base 2 and the inside of the connecting seat 4 are jointly provided with a heat dissipation through groove 8, the inside of the cabinet base 2 is provided with a heat dissipation through groove 9, two sides of the heat dissipation through groove 9 are positioned on the outer walls of the two sides of the cabinet base 2 and are fixedly connected with a dustproof net 11, in the embodiment, the switch cabinet body 1 can refer to the existing metal closed switch cabinet sold on the market, the bottom of the, the cabinet base 2 is fixedly arranged on the ground, then the switch cabinet body 1 is arranged at the upper end of the cabinet base 2, the switch cabinet body 1 and the cabinet base 2 are mutually clamped and connected through a first connecting clamping groove 5 which is arranged at the two sides of the bottom end of the cabinet base 2 and is positioned at the inner wall of the connecting rod 3, and a first connecting clamping rod 6 which is integrally formed at the two sides of the outer wall of the connecting seat 4 and is arranged at the upper end of the cabinet base 2, through the structure, the switch cabinet body 1 is placed stably, the switch cabinet body 1 is not easy to topple over, the safety is relatively high, and the switch cabinet body 1 is convenient to disassemble and send for repair in the future, the disassembly is convenient, the operation is rapid, meanwhile, through a first heat dissipation through groove 7 which is arranged at the bottom end of the switch cabinet body 1, a second heat dissipation through groove 8 which is jointly arranged at the upper end of the cabinet base 2 and inside the connecting seat 4, and a third heat dissipation through, and through No. three heat dissipation logical groove 9 both sides dust screen 11 for outside dust debris are difficult to be led to the inside that the logical groove 8 and the logical groove 7 of a heat dissipation got into the cubical switchboard cabinet body 1 through No. three heat dissipation logical groove 9, No. two heat dissipations, and simple structure, it is convenient to use, the better use of the cubical switchboard cabinet body 1 of being convenient for.
Specifically, cabinet base 2 is the metal component, cabinet base 2's bottom fixedly connected with bedplate 12, bedplate 12 is the metal component, bedplate 12's bottom face fixedly connected with seatpad 13, seatpad 13 is the rubber component, in this embodiment, cabinet base 2 is the metal material, bedplate 12 is the square board of metal, through bedplate 12 increase cabinet base 2 and the area of contact on ground, seatpad 13 is the square board of rubber, alleviate metal bedplate 12 when ann tears open contact wear and frictional noise between and ground through seatpad 13.
Specifically, both sides of the seat plate 12 and the seat cushion 13 are provided with a plurality of mounting holes 14, in this embodiment, the mounting holes 14 are cylindrical through holes, and are provided with a plurality of positions for installing screws, so as to fixedly mount the cabinet base 2 on the ground.
Specifically, the first heat dissipation through groove 7, the second heat dissipation through groove 8 and the third heat dissipation through groove 9 are communicated with each other, the equal fixedly connected with branch 10 in inside both sides that the third heat dissipation through groove 9 led to, branch 10 is the metal component, in this embodiment, lead to groove 7 through the first heat dissipation, the second heat dissipation leads to the groove 8 and the third heat dissipation through groove 9 and is convenient for the inside ventilation cooling of cubical switchboard cabinet body 1, it is supplementary heat dissipation, the radiating main mode of cubical switchboard cabinet body 1 still carries out the heat dissipation of forced air cooling or liquid cooling through the corresponding heat abstractor of installing inside cubical switchboard cabinet body 1 now, branch 10 is the metal pole, a structural strength for reinforcing 2 inside both sides of cabinet seat, prevent 2 atress deformation of cabinet seat, dust screen 11 is the metal mesh, a filtration check that is used for outside dust debris.
Specifically, the inner wall of connecting rod 3 and the outer wall of connecting seat 4 laminate each other, and in this embodiment, connecting rod 3 and connecting seat 4 are the connecting piece, through connecting rod 3 and connecting seat 4 to and a draw-in groove 5 that the inner wall of connecting rod 3 was seted up, and connecting seat 4 both sides outer wall integrated into one piece's a connecting card pole 6, the installation of the relative cabinet seat 2 of switch cabinet body 1 of being convenient for.
Specifically, the first connecting clamping groove 5 and the first connecting clamping rod 6 are clamped with each other, and the cross sections of the first connecting clamping groove and the first connecting clamping rod are arc-shaped structures.
The utility model discloses a theory of operation and use flow: when the utility model is used, a plurality of screws are prepared, the screws are inserted into a plurality of mounting holes 14 which are commonly arranged on two sides of the seat plate 12 and the seat cushion 13, the screws in the mounting holes 14 are driven into the ground by means of an external electric drill, so that the cabinet base 2 is fixedly arranged on the ground, the cabinet base 2 is lifted at the upper end of the cabinet base 2, two sides of the bottom end of the switch cabinet body 1 are positioned at a first connecting clamping groove 5 which is arranged on the inner wall of the connecting rod 3 and is clamped and aligned with a first connecting clamping rod 6 which is integrally formed on the outer walls of two sides of the connecting seat 4 at the upper end of the cabinet base 2, then the switch cabinet body 1 at the upper end of the cabinet base 2 is horizontally pushed, so that the switch cabinet body 1 is arranged at the upper end of the cabinet base 2, then the switch cabinet body 1 is used, electric elements in the switch cabinet body 1 run to generate certain heat, the air is diffused outwards through a first heat, meanwhile, the dust screens 11 on two sides of the third heat dissipation through groove 9 can prevent external dust and sundries from entering the switch cabinet body 1 through the third heat dissipation through groove 9, the second heat dissipation through groove 8 and the first heat dissipation through groove 7.
Example 2
Referring to fig. 3, fig. 4 and fig. 5, the present invention provides the following technical solutions: a closed switch device with high safety comprises a switch cabinet body 1 and a cabinet base 2, wherein the bottom of the switch cabinet body 1 is provided with the cabinet base 2, two sides of the bottom end of the switch cabinet body 1 are integrally formed with a connecting rod 3, the inner wall of the connecting rod 3 is provided with a second connecting clamping groove 15, the upper end of the cabinet base 2 is integrally formed with a connecting seat 4, two side outer walls of the connecting seat 4 are integrally formed with a second connecting clamping rod 16, the bottom end of the switch cabinet body 1 is provided with a first heat dissipation through groove 7, the upper end of the cabinet base 2 and the inside of the connecting seat 4 are jointly provided with a second heat dissipation through groove 8, the inside of the cabinet base 2 is provided with a third heat dissipation through groove 9, two sides of the third heat dissipation through groove 9 are positioned on two side outer walls of the cabinet base 2 and are fixedly connected with a dustproof net 11, in the embodiment, the switch cabinet body 1 can refer to the existing metal closed switch cabinet sold on the market, the bottom of the, the cabinet base 2 is fixedly arranged on the ground, then the switch cabinet body 1 is arranged at the upper end of the cabinet base 2, the switch cabinet body 1 and the cabinet base 2 are mutually clamped and connected through a second connecting clamping groove 15 which is arranged at the two sides of the bottom end of the cabinet base 2 and is positioned at the inner wall of the connecting rod 3, and a second connecting clamping rod 16 which is integrally formed at the two sides of the outer wall of the connecting seat 4 and is arranged at the upper end of the cabinet base 2, through the structure, the switch cabinet body 1 is placed stably, the switch cabinet body 1 is not easy to topple over, the safety is relatively high, and the switch cabinet body 1 is convenient to disassemble and send for repair in the future, the disassembly is convenient, the operation is rapid, meanwhile, through a first heat dissipation through groove 7 which is arranged at the bottom end of the switch cabinet body 1, a second heat dissipation through groove 8 which is jointly arranged at the upper end of the cabinet base 2 and the inside of the connecting seat 4, and a third heat dissipation, and through No. three heat dissipation logical groove 9 both sides dust screen 11 for outside dust debris are difficult to be led to the inside that the logical groove 8 and the logical groove 7 of a heat dissipation got into the cubical switchboard cabinet body 1 through No. three heat dissipation logical groove 9, No. two heat dissipations, and simple structure, it is convenient to use, the better use of the cubical switchboard cabinet body 1 of being convenient for.
Specifically, cabinet base 2 is the metal component, cabinet base 2's bottom fixedly connected with bedplate 12, bedplate 12 is the metal component, bedplate 12's bottom face fixedly connected with seatpad 13, seatpad 13 is the rubber component, in this embodiment, cabinet base 2 is the metal material, bedplate 12 is the square board of metal, through bedplate 12 increase cabinet base 2 and the area of contact on ground, seatpad 13 is the square board of rubber, alleviate metal bedplate 12 when ann tears open contact wear and frictional noise between and ground through seatpad 13.
Specifically, both sides of the seat plate 12 and the seat cushion 13 are provided with a plurality of mounting holes 14, in this embodiment, the mounting holes 14 are cylindrical through holes, and are provided with a plurality of positions for installing screws, so as to fixedly mount the cabinet base 2 on the ground.
Specifically, the first heat dissipation through groove 7, the second heat dissipation through groove 8 and the third heat dissipation through groove 9 are communicated with each other, the equal fixedly connected with branch 10 in inside both sides that the third heat dissipation through groove 9 led to, branch 10 is the metal component, in this embodiment, lead to groove 7 through the first heat dissipation, the second heat dissipation leads to the groove 8 and the third heat dissipation through groove 9 and is convenient for the inside ventilation cooling of cubical switchboard cabinet body 1, it is supplementary heat dissipation, the radiating main mode of cubical switchboard cabinet body 1 still carries out the heat dissipation of forced air cooling or liquid cooling through the corresponding heat abstractor of installing inside cubical switchboard cabinet body 1 now, branch 10 is the metal pole, a structural strength for reinforcing 2 inside both sides of cabinet seat, prevent 2 atress deformation of cabinet seat, dust screen 11 is the metal mesh, a filtration check that is used for outside dust debris.
Specifically, the inner wall of connecting rod 3 and the outer wall of connecting seat 4 laminate each other, and in this embodiment, connecting rod 3 and connecting seat 4 are the connecting piece, through connecting rod 3 and connecting seat 4 to and No. two connecting groove 15 that the inner wall of connecting rod 3 was seted up, and No. two connecting clamping rod 16 of connecting seat 4 both sides outer wall integrated into one piece, the installation of the relative cabinet seat 2 of cubical switchboard cabinet body 1 of being convenient for.
Specifically, the second connecting clamping groove 15 and the second connecting clamping rod 16 are clamped with each other and have trapezoidal sections.
The utility model discloses a theory of operation and use flow: when the utility model is used, a plurality of screws are prepared, the screws are inserted into a plurality of mounting holes 14 which are commonly arranged on two sides of the seat plate 12 and the seat cushion 13, the screws in the mounting holes 14 are driven into the ground by means of an external electric drill, so that the cabinet base 2 is fixedly arranged on the ground, the cabinet base 2 is lifted at the upper end of the cabinet base 2, two sides of the bottom end of the switch cabinet body 1 are positioned at a second connecting clamping groove 15 which is arranged on the inner wall of the connecting rod 3 and is clamped and aligned with a second connecting clamping rod 16 which is integrally formed on the outer wall of two sides of the connecting seat 4 at the upper end of the cabinet base 2, then the switch cabinet body 1 at the upper end of the cabinet base 2 is horizontally pushed, so that the switch cabinet body 1 is arranged at the upper end of the cabinet base 2, then the switch cabinet body 1 is used, electric elements in the switch cabinet body 1 run to generate certain heat, the air is diffused outwards through a first heat, meanwhile, the dust screens 11 on two sides of the third heat dissipation through groove 9 can prevent external dust and sundries from entering the switch cabinet body 1 through the third heat dissipation through groove 9, the second heat dissipation through groove 8 and the first heat dissipation through groove 7.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A high closed switch equipment of security which characterized in that: comprises a switch cabinet body (1) and a cabinet seat (2), the bottom of the switch cabinet body (1) is provided with the cabinet seat (2), the two sides of the bottom end of the switch cabinet body (1) are integrally formed with connecting rods (3), a first connecting clamping groove (5) is formed in the inner wall of the connecting rod (3), a connecting seat (4) is integrally formed at the upper end of the cabinet seat (2), the outer walls of the two sides of the connecting seat (4) are integrally formed with a first connecting clamping rod (6), a first heat dissipation through groove (7) is arranged at the bottom end of the switch cabinet body (1), a second heat dissipation through groove (8) is jointly arranged at the upper end of the cabinet seat (2) and inside the connecting seat (4), the inside of cabinet seat (2) has been seted up No. three heat dissipation and has been led to groove (9), the both sides that No. three heat dissipation led to groove (9) are located the equal fixedly connected with dust screen (11) of both sides outer wall of cabinet seat (2).
2. A high safety closed switch apparatus according to claim 1, characterized in that: the cabinet base (2) is a metal component, the bottom end of the cabinet base (2) is fixedly connected with a seat plate (12), the seat plate (12) is a metal component, the bottom end face of the seat plate (12) is fixedly connected with a seat cushion (13), and the seat cushion (13) is a rubber component.
3. A high safety closed switch apparatus according to claim 2, characterized in that: the two sides of the seat board (12) and the seat cushion (13) are both provided with a plurality of mounting holes (14) together.
4. A high safety closed switch apparatus according to claim 1, characterized in that: a heat dissipation leads to groove (7), No. two heat dissipations and leads to groove (8) and No. three heat dissipations and leads to the inside of groove (9) and communicates with each other, equal fixedly connected with branch (10) in the inside both sides that No. three heat dissipations lead to groove (9), branch (10) are the metal component.
5. A high safety closed switch apparatus according to claim 1, characterized in that: the inner wall of the connecting rod (3) is attached to the outer wall of the connecting seat (4).
6. A high safety closed switch apparatus according to claim 1, characterized in that: the first connecting clamping groove (5) and the first connecting clamping rod (6) are mutually clamped and have arc-shaped sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912148.XU CN212784311U (en) | 2020-09-04 | 2020-09-04 | High-safety closed switch equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021912148.XU CN212784311U (en) | 2020-09-04 | 2020-09-04 | High-safety closed switch equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212784311U true CN212784311U (en) | 2021-03-23 |
Family
ID=75058514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021912148.XU Expired - Fee Related CN212784311U (en) | 2020-09-04 | 2020-09-04 | High-safety closed switch equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212784311U (en) |
-
2020
- 2020-09-04 CN CN202021912148.XU patent/CN212784311U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210323 |