CN213125222U - Cubical switchboard for electrical engineering - Google Patents
Cubical switchboard for electrical engineering Download PDFInfo
- Publication number
- CN213125222U CN213125222U CN202021592271.8U CN202021592271U CN213125222U CN 213125222 U CN213125222 U CN 213125222U CN 202021592271 U CN202021592271 U CN 202021592271U CN 213125222 U CN213125222 U CN 213125222U
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- mounting seat
- adjusting screw
- electrical engineering
- symmetrically
- switch cabinet
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- 238000004870 electrical engineering Methods 0.000 title claims abstract description 23
- 230000007246 mechanism Effects 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 12
- 230000037431 insertion Effects 0.000 description 12
- 238000000034 method Methods 0.000 description 4
- 230000005855 radiation Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 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 discloses a switch cabinet for electrical engineering, which comprises a cabinet body; two adjusting screw rods are symmetrically and rotatably arranged on the left side and the right side of the interior of the cabinet body, two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of each adjusting screw rod, two adjusting screw sleeves are symmetrically and threadedly connected to the upper side and the lower side of each adjusting screw rod, and the adjusting screw sleeves are slidably connected with the cabinet body; fixed mounting has main mount pad on the adjusting screw cover, and the bottom of main mount pad has set gradually a plurality of vice mount pads, main mount pad and vice mount pad, is between vice mount pad and the vice mount pad to dismantle the connection. The utility model discloses a rotate adjusting screw and drive main mount pad and vice mount pad and remove, make things convenient for the staff to carry out the installation of electrical device, solve large-scale cubical switchboard height too high. Inconvenient installation of workers.
Description
Technical Field
The utility model relates to an electrical equipment technical field specifically is a cubical switchboard for electrical engineering.
Background
The switch cabinet is an electrical device, the external line of the switch cabinet firstly enters a main control switch in the cabinet and then enters a branch control switch, and each branch is arranged according to the requirement. Such as meters, automatic controls, magnetic switches of motors, various alternating current contactors, and the like, some of which are also provided with high-voltage chambers and low-voltage chamber switch cabinets, and high-voltage buses, such as power plants, and some of which are also provided with low-frequency load shedding for keeping main equipment.
The main function of the switch cabinet is to open and close, control and protect electric equipment in the process of power generation, power transmission, power distribution and electric energy conversion of an electric power system. The components in the switch cabinet mainly comprise a circuit breaker, an isolating switch, a load switch, an operating mechanism, a mutual inductor, various protection devices and the like. The classification methods of the switch cabinets are various, for example, the switch cabinets can be divided into movable switch cabinets and fixed switch cabinets by the installation mode of the circuit 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. The method is mainly suitable for various occasions such as power plants, transformer substations, petrochemical industry, metallurgical steel rolling, light industrial textile, industrial and mining enterprises, residential districts, high-rise buildings and the like.
The installation of the inside electrical component of large-scale electrical switchgear needs the workman to climb the relevant position of cubical switchboard with the help of appurtenance and assembles, and this kind of mounting means is not only complicated troublesome, has certain danger, is unfavorable for the later stage maintenance moreover.
Therefore, in view of the above situation, there is an urgent need to develop a switch cabinet for electrical engineering to overcome the shortcomings in the current practical application.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cubical switchboard for electrical engineering to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
a switch cabinet for electrical engineering comprises a cabinet body; two adjusting screw rods are symmetrically and rotatably arranged at the left side and the right side in the cabinet body,
two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of the adjusting screw rod,
the upper side and the lower side of the adjusting screw rod are symmetrically in threaded connection with two adjusting screw sleeves,
the adjusting screw sleeve is connected with the cabinet body in a sliding way; a main mounting seat is fixedly arranged on the adjusting screw sleeve,
a plurality of auxiliary mounting seats are sequentially arranged at the bottom of the main mounting seat,
a main mounting seat and an auxiliary mounting seat,
the auxiliary mounting seat and the auxiliary mounting seat are detachably connected.
As a further aspect of the present invention: and an adjusting knob is rotatably arranged at the side edge of the cabinet body.
As a further aspect of the present invention: the end of the adjusting knob extends into the cabinet body and is in transmission connection with the adjusting screw through the bevel gear set.
As a further aspect of the present invention: the bottoms of the main mounting seat and the auxiliary mounting seat are both transversely provided with sliding grooves,
two inserted rods are symmetrically and fixedly arranged at the upper part of the auxiliary mounting seat,
the inserted bar is of an L-shaped structure.
As a further aspect of the present invention: and the main mounting seat and the auxiliary mounting seat are internally provided with a pair of adjusting mechanisms.
As a further aspect of the present invention: the adjusting mechanism comprises two symmetrically arranged chutes,
the chute is communicated with the chute,
a connecting rod is arranged in the chute,
the left side and the right side inside the sliding groove are symmetrically provided with two sleeves matched with the inserted bar in a sliding mode.
As a further aspect of the present invention: the middle positions of the main mounting seat and the auxiliary mounting seat are both provided with sliding columns in a sliding way,
the upper end of the sliding column is fixedly connected with the button,
two connecting rods are respectively hinged on two sides of the sliding column,
the other end of the connecting rod is hinged with the sleeve.
As a further aspect of the present invention: the main mounting seat and the auxiliary mounting seat are provided with guide grooves at the outer sides of the lower ends of the sliding columns,
the outer side of the sliding column is provided with a sliding block which is matched with the guide groove,
the slide block is connected with the guide groove in a sliding way,
and the upper side and the lower side of the sliding block are respectively fixedly connected with the guide groove through a connecting spring.
As a further aspect of the present invention: and a plurality of mounting frames are uniformly arranged on the outer side of the auxiliary mounting seat.
As a further aspect of the present invention: and a heat radiation fan is embedded at the top of the cabinet body.
Compared with the prior art, the method has the advantages that,
the utility model has the advantages that: the utility model is provided with two adjusting screw rods symmetrically and rotatably arranged at the left and right sides of the inner part of the cabinet body,
two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of the adjusting screw rod,
the upper side and the lower side of the adjusting screw rod are symmetrically in threaded connection with two adjusting screw sleeves,
a main mounting seat is fixedly arranged on the adjusting screw sleeve,
a plurality of auxiliary mounting seats are sequentially arranged at the bottom of the main mounting seat,
the main mounting seat and the auxiliary mounting seat are driven to move by rotating the adjusting screw rod,
the installation of the electric device is convenient for the working personnel,
the problem that the height of a large-scale switch cabinet is too high is solved. Inconvenient installation of workers.
Drawings
Fig. 1 is a schematic structural view of a switchgear for electrical engineering.
Fig. 2 is a front view of a sub-mount in a switchgear for electrical engineering.
Fig. 3 is a bottom sectional view of the sub-mount in the switchgear for electrical engineering.
Fig. 4 is a partially enlarged schematic view of a portion a of fig. 3.
In the figure:
1-a cabinet body,
2-adjusting screw rod,
3-adjusting screw sleeve,
4-a main mounting seat,
5-auxiliary mounting seat,
51-a mounting frame,
52-inserted rod,
53-push button,
54-chute,
55-inclined groove,
56-sliding column,
57-sleeve barrel,
58-connecting rod,
59-a guide groove,
510-a slide block,
511-connecting spring,
6-adjusting knob,
7-bevel gear set,
8-dust screen,
9-a heat radiation fan.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1
Referring to fig. 1-4, in an embodiment of the present invention, a switch cabinet for electrical engineering includes a cabinet body 1; two adjusting screw rods 2 are symmetrically and rotatably mounted on the left side and the right side inside the cabinet body 1, two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of each adjusting screw rod 2, two adjusting screw sleeves 3 are symmetrically and threadedly connected to the upper side and the lower side of each adjusting screw rod 2, the adjusting screw sleeves 3 are slidably connected with the cabinet body 1, and the adjusting screw sleeves 3 are driven to slide up and down inside the cabinet body 1 by driving the adjusting screw rods 2 to rotate; a main mounting seat 4 is fixedly mounted on the adjusting threaded sleeve 3, a plurality of auxiliary mounting seats 5 are sequentially arranged at the bottom of the main mounting seat 4, the main mounting seat 4 and the auxiliary mounting seats 5 are detachably connected, and the main mounting seat 4 and the auxiliary mounting seats 5 are used for mounting electrical elements;
specifically, in this embodiment, an adjusting knob 6 is rotatably mounted at a side edge of the cabinet body 1, and an end of the adjusting knob 6 extends into the cabinet body 1 and is in transmission connection with the adjusting screw 2 through a bevel gear set 7;
sliding grooves 54 are transversely formed in the bottoms of the main mounting seat 4 and the auxiliary mounting seat 5, two insertion rods 52 are symmetrically and fixedly mounted on the upper portion of the auxiliary mounting seat 5, and the insertion rods 52 are of L-shaped structures; a pair of adjusting mechanisms are arranged in the main mounting seat 4 and the auxiliary mounting seat 5, each adjusting mechanism comprises two symmetrically-arranged chutes 55, the chutes 55 are communicated with the chutes 54, connecting rods 58 are arranged inside the chutes 55, two sleeves 57 matched with the inserting rods 52 are symmetrically and slidably arranged on the left side and the right side inside the chutes 54, and when the auxiliary mounting seat 5 and the main mounting seat 4 are connected and mounted, the inserting rods 52 are inserted into the sleeves 57 to complete the connection and fixation between the main mounting seat 4 and the auxiliary mounting seat 5;
the middle positions of the main mounting seat 4 and the auxiliary mounting seat 5 are both provided with a sliding column 56 in a sliding manner, the upper end of the sliding column 56 is fixedly connected with the button 53, two connecting rods 58 are respectively hinged to two sides of the sliding column 56, the other end of each connecting rod 58 is hinged to the sleeve 57, the button 53 is pressed, the sliding column 56 moves downwards, the sleeve 57 is pushed by the connecting rods 58 to move, and the insertion rod 52 is convenient to insert;
the main mounting seat 4 and the auxiliary mounting seat 5 are provided with a guide groove 59 on the outer side of the lower end of the sliding column 56, a sliding block 510 matched with the guide groove 59 is mounted on the outer side of the sliding column 56, the sliding block 510 is connected with the guide groove 59 in a sliding manner, and the upper side and the lower side of the sliding block 510 are fixedly connected with the guide groove 59 through a connecting spring 511 respectively, so that the sleeve 57 is convenient to rebound, and the insertion rod 52 is inserted into the sleeve 57.
Example 2
Referring to fig. 1-4, in an embodiment of the present invention, a switch cabinet for electrical engineering includes a cabinet body 1; two adjusting screw rods 2 are symmetrically and rotatably mounted on the left side and the right side inside the cabinet body 1, two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of each adjusting screw rod 2, two adjusting screw sleeves 3 are symmetrically and threadedly connected to the upper side and the lower side of each adjusting screw rod 2, the adjusting screw sleeves 3 are slidably connected with the cabinet body 1, and the adjusting screw sleeves 3 are driven to slide up and down inside the cabinet body 1 by driving the adjusting screw rods 2 to rotate; a main mounting seat 4 is fixedly mounted on the adjusting threaded sleeve 3, a plurality of auxiliary mounting seats 5 are sequentially arranged at the bottom of the main mounting seat 4, the main mounting seat 4 and the auxiliary mounting seats 5 are detachably connected, and the main mounting seat 4 and the auxiliary mounting seats 5 are used for mounting electrical elements;
specifically, in this embodiment, an adjusting knob 6 is rotatably mounted at a side edge of the cabinet body 1, and an end of the adjusting knob 6 extends into the cabinet body 1 and is in transmission connection with the adjusting screw 2 through a bevel gear set 7;
sliding grooves 54 are transversely formed in the bottoms of the main mounting seat 4 and the auxiliary mounting seat 5, two insertion rods 52 are symmetrically and fixedly mounted on the upper portion of the auxiliary mounting seat 5, and the insertion rods 52 are of L-shaped structures; a pair of adjusting mechanisms are arranged in the main mounting seat 4 and the auxiliary mounting seat 5, each adjusting mechanism comprises two symmetrically-arranged chutes 55, the chutes 55 are communicated with the chutes 54, connecting rods 58 are arranged inside the chutes 55, two sleeves 57 matched with the inserting rods 52 are symmetrically and slidably arranged on the left side and the right side inside the chutes 54, and when the auxiliary mounting seat 5 and the main mounting seat 4 are connected and mounted, the inserting rods 52 are inserted into the sleeves 57 to complete the connection and fixation between the main mounting seat 4 and the auxiliary mounting seat 5;
the middle positions of the main mounting seat 4 and the auxiliary mounting seat 5 are both provided with a sliding column 56 in a sliding manner, the upper end of the sliding column 56 is fixedly connected with the button 53, two connecting rods 58 are respectively hinged to two sides of the sliding column 56, the other end of each connecting rod 58 is hinged to the sleeve 57, the button 53 is pressed, the sliding column 56 moves downwards, the sleeve 57 is pushed by the connecting rods 58 to move, and the insertion rod 52 is convenient to insert;
the main mounting seat 4 and the auxiliary mounting seat 5 are provided with a guide groove 59 on the outer side of the lower end of the sliding column 56, a sliding block 510 matched with the guide groove 59 is mounted on the outer side of the sliding column 56, the sliding block 510 is connected with the guide groove 59 in a sliding manner, and the upper side and the lower side of the sliding block 510 are fixedly connected with the guide groove 59 through a connecting spring 511 respectively, so that the sleeve 57 is convenient to rebound, and the insertion rod 52 is inserted into the sleeve 57.
The present embodiment is different from embodiment 1 in that:
a plurality of mounting frames 51 are uniformly arranged on the outer side of the auxiliary mounting seat 5 and used for mounting electric elements.
Example 3
Referring to fig. 1-4, in an embodiment of the present invention, a switch cabinet for electrical engineering includes a cabinet body 1; two adjusting screw rods 2 are symmetrically and rotatably mounted on the left side and the right side inside the cabinet body 1, two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of each adjusting screw rod 2, two adjusting screw sleeves 3 are symmetrically and threadedly connected to the upper side and the lower side of each adjusting screw rod 2, the adjusting screw sleeves 3 are slidably connected with the cabinet body 1, and the adjusting screw sleeves 3 are driven to slide up and down inside the cabinet body 1 by driving the adjusting screw rods 2 to rotate; a main mounting seat 4 is fixedly mounted on the adjusting threaded sleeve 3, a plurality of auxiliary mounting seats 5 are sequentially arranged at the bottom of the main mounting seat 4, the main mounting seat 4 and the auxiliary mounting seats 5 are detachably connected, and the main mounting seat 4 and the auxiliary mounting seats 5 are used for mounting electrical elements;
specifically, in this embodiment, an adjusting knob 6 is rotatably mounted at a side edge of the cabinet body 1, and an end of the adjusting knob 6 extends into the cabinet body 1 and is in transmission connection with the adjusting screw 2 through a bevel gear set 7;
sliding grooves 54 are transversely formed in the bottoms of the main mounting seat 4 and the auxiliary mounting seat 5, two insertion rods 52 are symmetrically and fixedly mounted on the upper portion of the auxiliary mounting seat 5, and the insertion rods 52 are of L-shaped structures; a pair of adjusting mechanisms are arranged in the main mounting seat 4 and the auxiliary mounting seat 5, each adjusting mechanism comprises two symmetrically-arranged chutes 55, the chutes 55 are communicated with the chutes 54, connecting rods 58 are arranged inside the chutes 55, two sleeves 57 matched with the inserting rods 52 are symmetrically and slidably arranged on the left side and the right side inside the chutes 54, and when the auxiliary mounting seat 5 and the main mounting seat 4 are connected and mounted, the inserting rods 52 are inserted into the sleeves 57 to complete the connection and fixation between the main mounting seat 4 and the auxiliary mounting seat 5;
the middle positions of the main mounting seat 4 and the auxiliary mounting seat 5 are both provided with a sliding column 56 in a sliding manner, the upper end of the sliding column 56 is fixedly connected with the button 53, two connecting rods 58 are respectively hinged to two sides of the sliding column 56, the other end of each connecting rod 58 is hinged to the sleeve 57, the button 53 is pressed, the sliding column 56 moves downwards, the sleeve 57 is pushed by the connecting rods 58 to move, and the insertion rod 52 is convenient to insert;
the main mounting seat 4 and the auxiliary mounting seat 5 are provided with a guide groove 59 on the outer side of the lower end of the sliding column 56, a sliding block 510 matched with the guide groove 59 is mounted on the outer side of the sliding column 56, the sliding block 510 is connected with the guide groove 59 in a sliding manner, and the upper side and the lower side of the sliding block 510 are fixedly connected with the guide groove 59 through a connecting spring 511 respectively, so that the sleeve 57 is convenient to rebound, and the insertion rod 52 is inserted into the sleeve 57.
The present embodiment is different from embodiment 1 in that:
a plurality of mounting frames 51 are uniformly arranged on the outer side of the auxiliary mounting seat 5 and used for mounting electric elements.
This example is different from examples 1-2 in that:
the top of the cabinet body 1 is embedded with a heat radiation fan 9 for radiating the inside of the cabinet body 1.
The above is only the preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent.
Claims (10)
1. A switch cabinet for electrical engineering comprises a cabinet body (1); the multifunctional wardrobe is characterized in that two adjusting screws (2) are symmetrically and rotatably mounted on the left side and the right side inside the wardrobe body (1), two external threads with opposite rotation directions are symmetrically arranged on the upper side and the lower side of each adjusting screw (2), two adjusting screw sleeves (3) are symmetrically and threadedly connected to the upper side and the lower side of each adjusting screw (2), and each adjusting screw sleeve (3) is slidably connected with the wardrobe body (1); the adjustable screw sleeve is characterized in that a main mounting seat (4) is fixedly mounted on the adjusting screw sleeve (3), a plurality of auxiliary mounting seats (5) are sequentially arranged at the bottom of the main mounting seat (4), the main mounting seat (4) and the auxiliary mounting seats (5) are detachably connected, and the auxiliary mounting seats (5) are connected with each other.
2. The electrical engineering switch cabinet according to claim 1, characterized in that the side of the cabinet body (1) is rotatably mounted with an adjusting knob (6).
3. The electrical engineering switch cabinet according to claim 2, characterized in that the end of the adjusting knob (6) extends into the cabinet body (1) and is in transmission connection with the adjusting screw (2) through a bevel gear set (7).
4. The switch cabinet for electrical engineering according to claim 1, wherein sliding grooves (54) are transversely formed in the bottoms of the main mounting seat (4) and the auxiliary mounting seat (5), two inserting rods (52) are symmetrically and fixedly mounted on the upper portion of the auxiliary mounting seat (5), and the inserting rods (52) are of L-shaped structures.
5. The electrical engineering switch cabinet according to claim 4, characterized in that the main mounting seat (4) and the auxiliary mounting seat (5) are provided with a pair of adjusting mechanisms.
6. The switch cabinet for electrical engineering according to claim 5, characterized in that the adjusting mechanism comprises two symmetrically-opened chutes (55), the chutes (55) are communicated with the chutes (54), the connecting rods (58) are arranged inside the chutes (55), and two sleeves (57) which are matched with the inserting rods (52) are symmetrically and slidably mounted on the left and right sides inside the chutes (54).
7. The electrical engineering switch cabinet according to claim 6, wherein a sliding column (56) is slidably mounted in the middle of each of the main mounting seat (4) and the auxiliary mounting seat (5), the upper end of the sliding column (56) is fixedly connected with the button (53), two connecting rods (58) are respectively and hingedly mounted on two sides of the sliding column (56), and the other end of each connecting rod (58) is hinged to the sleeve (57).
8. The switch cabinet for electrical engineering according to claim 7, wherein the main mounting seat (4) and the auxiliary mounting seat (5) are provided with a guide groove (59) at the outer side of the lower end of the sliding column (56), a sliding block (510) matched with the guide groove (59) is mounted at the outer side of the sliding column (56), the sliding block (510) is connected with the guide groove (59) in a sliding manner, and the upper side and the lower side of the sliding block (510) are respectively fixedly connected with the guide groove (59) through a connecting spring (511).
9. The electrical engineering switch cabinet according to claim 1, characterized in that a plurality of mounting frames (51) are uniformly arranged on the outer side of the auxiliary mounting seat (5).
10. The switch cabinet for electrical engineering according to claim 1, wherein a heat dissipation fan (9) is mounted on the top of the cabinet body (1) in an embedded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592271.8U CN213125222U (en) | 2020-08-04 | 2020-08-04 | Cubical switchboard for electrical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021592271.8U CN213125222U (en) | 2020-08-04 | 2020-08-04 | Cubical switchboard for electrical engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213125222U true CN213125222U (en) | 2021-05-04 |
Family
ID=75681976
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021592271.8U Expired - Fee Related CN213125222U (en) | 2020-08-04 | 2020-08-04 | Cubical switchboard for electrical engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213125222U (en) |
-
2020
- 2020-08-04 CN CN202021592271.8U patent/CN213125222U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210504 |