CN207503836U - A kind of switch cabinet grounding switch hanging locking device - Google Patents
A kind of switch cabinet grounding switch hanging locking device Download PDFInfo
- Publication number
- CN207503836U CN207503836U CN201721610420.7U CN201721610420U CN207503836U CN 207503836 U CN207503836 U CN 207503836U CN 201721610420 U CN201721610420 U CN 201721610420U CN 207503836 U CN207503836 U CN 207503836U
- Authority
- CN
- China
- Prior art keywords
- bending
- installing plate
- handle hole
- padlock
- hole baffle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Breakers (AREA)
Abstract
The utility model discloses a kind of switch cabinet grounding switch hanging locking devices, handle hole baffle including the installing plate with handle hole and for blocking handle hole, the handle hole baffle side is hinged with the installing plate side, the handle hole baffle opposite side and the installing plate opposite side are equipped with lock- receiving aperture, the channel that there is the interlocking baffle for switchgear to move up and down between the installing plate and handle hole baffle.The utility model has there is no interference, the advantages that simplifying electric operating step, reduce electrically operated misuse rate.
Description
Technical field
The utility model is related to switchgear more particularly to a kind of switch cabinet grounding switch hanging locking devices.
Background technology
At present, the division of switch cabinet grounding switch is all realized by corresponding operating mechanism, common mode of operation
There are two kinds of hand and electrodynamic type.Hand is operated, is usually come using the handle hole of specific purpose tool insertion operation mechanism
It is operated, therefore handle hole would generally be blocked using ground switch padlock device to prevent the mistake to earthing switch from dividing and missing
It closes.With the development of electric power network technique, it is desirable that using electronic, manual dual operation mode operating mechanism, electrodynamic type operation with manually
It is interlocked between formula operation namely the same time can only realize a kind of mode of operation, prevent hand operation, electrodynamic type
Operation, which is carried out at the same time, causes mechanism-trouble.
The switch cabinet grounding switch hanging locking device of transmission is mainly made of installing plate, interlocking baffle, handle hole baffle etc.,
Interlocking baffle is used to implement to manual, electrically operated interlocking, and handle hole baffle is for blocking handle hole, by being kept off to handle hole
Plate and installing plate are carried out padlock and (lock together handle hole baffle and installing plate using padlock, make handle hole under padlock state
Baffle can not be opened), it can realize the interlock protection to manual operation.This hanging locking device, primarily directed to purely manual operation
And design and (manual operation is limited and protected, but electrically operated progress cannot be interfered again), in current technology
Under environment, handle hole baffle exists with interlocking baffle on spatial position to be interfered, and is especially shown above and below interlocking baffle
When mobile, need first to open hanging locking device and remove handle hole baffle.During actual use, completing electric operating but needs
Switch cabinet grounding switch hanging locking device is first opened, user can be confused；Meanwhile for the use of daily basic pure electric vehicle operation
Family, needs for no reason carry out an operating procedure more, and operation is excessively troublesome, and state's net is not achieved to " sequence " of switchgear, " complete
Electricity " requirement；For unwitting user, in the case where being not turned on ground switch padlock device, electric operating is directly carried out
Easily product can be damaged, while there is also security risks by operating personnel.
Utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies of the prior art and provide a kind of be not present to interfere, letter
Change electric operating step, reduce the switch cabinet grounding switch hanging locking device of electrically operated misuse rate.
In order to solve the above technical problems, the utility model uses following technical scheme：
A kind of switch cabinet grounding switch hanging locking device, including the installing plate with handle hole and for blocking handle hole
Handle hole baffle, the handle hole baffle side are hinged with the installing plate side, the handle hole baffle opposite side and described
Installing plate opposite side is equipped with lock- receiving aperture, has above and below the interlocking baffle for switchgear between the installing plate and handle hole baffle
The channel of movement.
As a further improvement of the above technical scheme：Described handle hole baffle one end is provided with the of the installing plate
One bending, the first bending upper and lower ends are equipped with the second bending far from the handle hole baffle other end, the installing plate side
Third bending equipped with upper and lower two towards the handle hole baffle, second bending is hinged with the third bending, described
The handle hole baffle other end is equipped with the first padlock bending far from the installing plate, and the installing plate opposite side is provided with described
Second padlock bending of handle hole baffle, the lock- receiving aperture are set in the first padlock bending and the second padlock bending.
As a further improvement of the above technical scheme：The first padlock bending is equipped with second bending towards phase
Anti- limiting bending, the second padlock bending lean with the limiting bending.
As a further improvement of the above technical scheme：Described handle hole baffle one end is provided with the of the installing plate
One bending, the first bending upper and lower ends are equipped with the second bending far from the handle hole baffle other end, the installing plate side
Third bending equipped with upper and lower two towards the handle hole baffle, second bending is hinged with the third bending, described
The handle hole baffle other end is provided with the first padlock bending of the installing plate, and the installing plate opposite side is provided with described
Second padlock bending of handle hole baffle, the lock- receiving aperture are set in the first padlock bending and the second padlock bending.
As a further improvement of the above technical scheme：The first padlock bending leans with the installing plate.
As a further improvement of the above technical scheme：The handle hole baffle is arc plate and middle part is far from the installation
Plate, handle hole baffle one end are equipped with the first bending far from the installing plate, and the first bending upper and lower ends are equipped with far from behaviour
Make the second bending of the hole baffle other end, the installing plate side is equipped with upper and lower two thirds towards the handle hole baffle and rolls over
Curved, second bending is hinged with the third bending, and the handle hole baffle other end is equipped with the far from the installing plate
One padlock bending, the installing plate opposite side are provided with the second padlock bending of the handle hole baffle, and the lock- receiving aperture is set
In in the first padlock bending and the second padlock bending.
As a further improvement of the above technical scheme：The first padlock bending is equipped with second bending towards phase
Anti- limiting bending, the second padlock bending lean with the limiting bending.
As a further improvement of the above technical scheme：Left and right ends are equipped with described on the upside of the handle hole baffle
First bending of installing plate, downside or so at least one end are provided with the first padlock bending of the installing plate, the installing plate
Left and right ends are equipped with the 4th bending towards the handle hole baffle, and first bending is cut with scissors with the 4th bending top
It connects, the lock- receiving aperture is set in the first padlock bending and the four fold of the same end stoops portion.
As a further improvement of the above technical scheme：Left and right ends are equipped with described on the downside of the handle hole baffle
First bending of installing plate, upside or so at least one end are provided with the first padlock bending of the installing plate, the installing plate
Left and right ends are equipped with the 4th bending towards the handle hole baffle, and first bending is cut with scissors with the four fold portion of stooping
It connects, the lock- receiving aperture is set in the first padlock bending and the 4th bending top of the same end.
As a further improvement of the above technical scheme：The handle hole baffle is tablet or handle hole baffle is circular arc
Plate and middle part is far from the installing plate.
Compared with prior art, the utility model has the advantage of：Switch cabinet grounding switch disclosed in the utility model is hung
Locking device, handle hole baffle side are hinged with installing plate side, it can be achieved that the rotary motion of opposite installing plate, opposite side and installation
Plate opposite side is respectively provided with lock- receiving aperture, and the interlock protection to manual operation can be realized after the interior progress padlock of two lock- receiving aperture, due to
Be provided between handle hole baffle and installing plate for switchgear interlocking baffle move up and down channel namely padlock after handle hole
Baffle and interlocking baffle are non-interference, and realization interlocking baffle opponent moves, electrically operated interlocking, this kind of ground switch padlock device
While ensureing that earthing switch padlock is effective, electric operating step is simplified, also reduces electrically operated misuse rate.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model switch cabinet grounding switch hanging locking device embodiment one.
Fig. 2 is the overlooking the structure diagram of the utility model switch cabinet grounding switch hanging locking device embodiment one.
Fig. 3 is the overlooking the structure diagram of the handle hole baffle in the utility model embodiment one.
Fig. 4 is the overlooking the structure diagram of the handle hole baffle in the utility model embodiment two.
Fig. 5 is the dimensional structure diagram of the utility model switch cabinet grounding switch hanging locking device embodiment three.
Fig. 6 is the dimensional structure diagram of the utility model switch cabinet grounding switch hanging locking device example IV.
Fig. 7 is the dimensional structure diagram of the utility model switch cabinet grounding switch hanging locking device embodiment five.
Each label represents in figure：1st, installing plate；11st, handle hole；12nd, third bending；13rd, the second padlock bending；14th, the 4th
Bending；2nd, baffle is interlocked；3rd, handle hole baffle；31st, the first bending；32nd, the second bending；33rd, the first padlock bending；34th, it limits
Bending；4th, lock- receiving aperture；5th, channel；6th, lock shaft.
Specific embodiment
The utility model is described in further detail below in conjunction with Figure of description and specific embodiment.
Embodiment one
Fig. 1 to Fig. 3 shows a kind of embodiment of the utility model, the switch cabinet grounding switch padlock dress of the present embodiment
It puts, including the installing plate 1 with handle hole 11, the handle hole baffle 3 for blocking handle hole 11,3 side of handle hole baffle and peace
1 side of loading board is hinged, and 3 opposite side of handle hole baffle and 1 opposite side of installing plate are equipped with lock- receiving aperture 4, and installing plate 1 is kept off with handle hole
Have between plate 3 channel 5 to move up and down for interlocking baffle 2 namely interlocking baffle 2 can from installing plate 1 and handle hole baffle 3 it
Between channel 5 pass through.Wherein, interlocking baffle 2 is through in handle hole 11.
The switch cabinet grounding switch hanging locking device, 3 side of handle hole baffle are hinged with 1 side of installing plate, it can be achieved that opposite
The rotary motion of installing plate 1, opposite side is respectively provided with lock- receiving aperture 4 with 1 opposite side of installing plate, after carrying out padlock in two lock- receiving aperture 4
The interlock protection to manual operation can be realized；Due to being provided with the interlocking for switchgear between handle hole baffle 3 and installing plate 1
Baffle 2 by channel namely padlock after handle hole baffle 3 and interlocking baffle 2 it is non-interference, realize interlocking baffle 2 to manually,
Electrically operated interlocking；The ground switch padlock device simplifies electric operating while ensureing that earthing switch padlock is effective
Step also reduces electrically operated misuse rate.
As the technical solution advanced optimized, in the present embodiment, 3 left end of handle hole baffle is provided with installing plate 1
First bending 31,31 upper and lower ends of the first bending are equipped with the second bending 32 namely the second folding far from 3 other end of handle hole baffle
Curved 32 far from 3 right end of handle hole baffle, be towards left arrangement, 1 left side of installing plate is equipped with upper and lower two the towards handle hole baffle 3
Three bendings 12, the second bending 32 is hinged by lock shaft 6 with third bending 12, and 3 right end of handle hole baffle is equipped with far from installing plate 1
First padlock bending 33,1 right side of installing plate are provided with the second padlock bending 13 of handle hole baffle 3, and lock- receiving aperture 4 is set on first
In 33 and second padlock bending 13 of padlock bending.It is apparent that in other embodiments, the setting of handle hole baffle 3 and installing plate 1
Also left-right reversed can be carried out, function equally can be achieved.Preferably, the first padlock bending 33 is located at 13 inside of the second padlock bending simultaneously
It is close to, it is compact-sized, reliable.
Wherein, handle hole baffle 3 can be tablet, in other embodiments, handle hole baffle 3 or arc plate and middle part
Far from installing plate 1, it so may be such that the gap of channel 5 is more, but can correspondingly increase by 3 processing work of handle hole baffle
Amount.
Embodiment two
As shown in figure 4, the switch cabinet grounding switch hanging locking device and embodiment one of the present embodiment are essentially identical, difference
It is, in the present embodiment, 33 end of the first padlock bending is further provided with the second bending 32 towards opposite limiting bending 34,
Namely limiting bending 34 is towards right arrangement, the second padlock bending 13 leans with limiting bending 34.When padlock operates, using the
Two padlock bendings 13, which are limiting bending 34, handle hole baffle 3 is whole provides limiting, ensures the first padlock bending 33 and the second padlock
Lock- receiving aperture 4 in bending 13 is rapidly aligned, and improves operating efficiency and convenience.
Embodiment three
As shown in figure 5, the switch cabinet grounding switch hanging locking device and embodiment one of the present embodiment are essentially identical, such as operate
Baffle 3 left end in hole is provided with the first bending 31 of installing plate 1, and 31 upper and lower ends of the first bending are equipped with far from handle hole baffle 3
Second bending 32 of the other end, 1 left side of installing plate are equipped with the upper and lower two third bendings 12 towards handle hole baffle 3, the second folding
Curved 32 is hinged with third bending 12, and the difference lies in the present embodiment, 3 right end of handle hole baffle is provided with installing plate 1
First padlock bending 33,1 right side of installing plate are provided with the second padlock bending 13 of handle hole baffle 3, and lock- receiving aperture 4 is set on first
In 33 and second padlock bending 13 of padlock bending.Further, in the present embodiment, the first padlock bending 33 offsets with installing plate 1
It leans on namely is limited using the first padlock bending 33 and the cooperation of installing plate 1, ensure the first padlock bending 33 and the second padlock bending 13
On lock- receiving aperture 4 be rapidly aligned, improve operating efficiency and convenience.Compared with embodiment two, the handle hole in the present embodiment
For baffle 3 while limiting can be achieved, structure is simpler, it is easier to processing and fabricating.
Example IV
As shown in fig. 6, in the present embodiment, handle hole baffle 3 far from installing plate 1 namely utilizes circle for arc plate and middle part
The spacing to arch up between increase and installing plate 1 at 3 middle part of arc handle hole baffle, due between the two away from increase, exposed connection
Stopper plate 2 can be passed through between the two, and on this basis, 3 left end of handle hole baffle is equipped with the first folding far from installing plate 1
Curved 31,31 upper and lower ends of the first bending are equipped with the second bending 32 far from 3 right end of handle hole baffle namely the second bending 32 towards a left side
Arrangement, 1 left side of installing plate are equipped with the upper and lower two third bendings 12 towards handle hole baffle 3, the second bending 32 and third bending
12 is hinged by lock shaft 6, and 3 right end of handle hole baffle is equipped with the first padlock bending 33 far from installing plate 1, and 1 right side of installing plate is set
There is the second padlock bending 13 towards handle hole baffle 3, lock- receiving aperture 4 is set on the first padlock bending 33 and the second padlock bending 13
On.
As further preferred technical solution, in the present embodiment, the first padlock bending 33 is equipped with and 32 court of the second bending
To opposite limiting bending 34, the second padlock bending 13 leans with limiting bending 34, ensures the first padlock bending 33 and second
Lock- receiving aperture 4 in padlock bending 13 is rapidly aligned, and improves operating efficiency and convenience.
Embodiment five
As shown in fig. 7, the basic principle of the present embodiment is identical with embodiment one, the difference lies in, in the present embodiment, behaviour
Make 3 upside left and right ends of hole baffle and be equipped with the first bending 31 towards installing plate 1, downside right end is provided with installing plate 1
First padlock bending 33,1 left and right ends of installing plate are equipped with the 4th bending 14 towards handle hole baffle 3, the first bending 31 with
4th bending, 14 top by lock shaft 6 is hinged namely lock shaft 6 be it is horizontally disposed, lock- receiving aperture 4 in the first padlock bending 33 and
14 lower part of the 4th bending of right end.In other embodiments, the first padlock bending 33 can also be set on left end or left and right ends are equal
Setting correspondingly sets in the 4th bending 14 of left end and is respectively provided with padlock in the 4th bending 14 of lock- receiving aperture 4 or left and right ends
Function is realized in hole 4.
Embodiment six
The switch cabinet grounding switch hanging locking device of the present embodiment is identical with embodiment five, and the difference lies in 1 Hes of installing plate
The structure of handle hole baffle 3 is exchanged up and down, realizes function, i.e.,：In the present embodiment, 3 downside left and right two of handle hole baffle
End is equipped with the first bending 31 towards installing plate 1, and upside or so at least one end is provided with the first padlock bending of installing plate 1
33,1 left and right ends of installing plate are equipped with the 4th bending 14 towards handle hole baffle 3, under the first bending 31 and the 4th bending 14
Portion is hinged, and lock- receiving aperture 4 is set in the first padlock bending 33 and 14 top of the 4th bending of the same end.
Although the utility model has been disclosed with preferred embodiment as above, it is not limited to the utility model.It is any
Those skilled in the art, in the case where not departing from technical solutions of the utility model range, all using the disclosure above
Technology contents technical solutions of the utility model are made with many possible changes and modifications or is revised as the equivalent of equivalent variations
Embodiment.Therefore, every content without departing from technical solutions of the utility model, according to the utility model technical spirit to above real
Any simple modifications, equivalents, and modifications that example is done are applied, should all be fallen in the range of technical solutions of the utility model protection.
Claims (10)
1. a kind of switch cabinet grounding switch hanging locking device, it is characterised in that：Including the installing plate (1) with handle hole (11) and
For blocking the handle hole baffle (3) of handle hole (11), handle hole baffle (3) side is cut with scissors with the installing plate (1) side
It connects, handle hole baffle (3) opposite side and the installing plate (1) opposite side are equipped with lock- receiving aperture (4), the installing plate (1)
There is the channel (5) that the interlocking baffle (2) for switchgear moves up and down between handle hole baffle (3).
2. switch cabinet grounding switch hanging locking device according to claim 1, it is characterised in that：The handle hole baffle (3)
One end is provided with the first bending (31) of the installing plate (1), and the first bending (31) upper and lower ends are equipped with far from operation
Second bending (32) of hole baffle (3) other end, installing plate (1) side are equipped with upper and lower two towards the handle hole baffle
(3) third bending (12), second bending (32) is hinged with the third bending (12), and the handle hole baffle (3) is another
One end is equipped with the first padlock bending (33) far from the installing plate (1), and installing plate (1) opposite side is provided with the behaviour
Make the second padlock bending (13) of hole baffle (3), the lock- receiving aperture (4) is set on the first padlock bending (33) and described second
In padlock bending (13).
3. switch cabinet grounding switch hanging locking device according to claim 2, it is characterised in that：The first padlock bending
(33) equipped with second bending (32) towards opposite limiting bending (34), the second padlock bending (13) and the limit
Position bending (34) leans.
4. switch cabinet grounding switch hanging locking device according to claim 1, it is characterised in that：The handle hole baffle (3)
One end is provided with the first bending (31) of the installing plate (1), and the first bending (31) upper and lower ends are equipped with far from operation
Second bending (32) of hole baffle (3) other end, installing plate (1) side are equipped with upper and lower two towards the handle hole baffle
(3) third bending (12), second bending (32) is hinged with the third bending (12), and the handle hole baffle (3) is another
One end is provided with the first padlock bending (33) of the installing plate (1), and installing plate (1) opposite side is provided with the behaviour
Make the second padlock bending (13) of hole baffle (3), the lock- receiving aperture (4) is set on the first padlock bending (33) and described second
In padlock bending (13).
5. switch cabinet grounding switch hanging locking device according to claim 4, it is characterised in that：The first padlock bending
(33) it leans with the installing plate (1).
6. switch cabinet grounding switch hanging locking device according to claim 1, it is characterised in that：The handle hole baffle (3)
For arc plate and middle part is far from the installing plate (1), and handle hole baffle (3) one end is equipped with first far from the installing plate (1)
Bending (31), the first bending (31) upper and lower ends are equipped with the second bending (32) far from handle hole baffle (3) other end, institute
Installing plate (1) side is stated equipped with the upper and lower two third bendings (12) towards the handle hole baffle (3), second bending
(32) hinged with the third bending (12), handle hole baffle (3) other end is equipped with first far from the installing plate (1)
Padlock bending (33), installing plate (1) opposite side are provided with the second padlock bending (13) of the handle hole baffle (3),
The lock- receiving aperture (4) is on the first padlock bending (33) and the second padlock bending (13).
7. switch cabinet grounding switch hanging locking device according to claim 6, it is characterised in that：The first padlock bending
(33) equipped with second bending (32) towards opposite limiting bending (34), the second padlock bending (13) and the limit
Position bending (34) leans.
8. switch cabinet grounding switch hanging locking device according to claim 1, it is characterised in that：The handle hole baffle (3)
Upside left and right ends are equipped with the first bending (31) towards the installing plate (1), and downside or so at least one end is provided with institute
The first padlock bending (33) of installing plate (1) is stated, installing plate (1) left and right ends are equipped with towards the handle hole baffle
(3) the 4th bending (14), first bending (31) and the 4th bending (14) upper articulation, the lock- receiving aperture (4) set
In the 4th bending (14) lower part of on the first padlock bending (33) and the same end.
9. switch cabinet grounding switch hanging locking device according to claim 1, it is characterised in that：The handle hole baffle (3)
Downside left and right ends are equipped with the first bending (31) towards the installing plate (1), and upside or so at least one end is provided with institute
The first padlock bending (33) of installing plate (1) is stated, installing plate (1) left and right ends are equipped with towards the handle hole baffle
(3) the 4th bending (14), first bending (31) and the 4th bending (14) lower hinge, the lock- receiving aperture (4) set
In the 4th bending (14) top of on the first padlock bending (33) and the same end.
10. according to the switch cabinet grounding switch hanging locking device described in claim 2,3,4,5,8 or 9, it is characterised in that：The behaviour
Make that hole baffle (3) is tablet or handle hole baffle (3) is arc plate and middle part far from the installing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610420.7U CN207503836U (en) | 2017-11-27 | 2017-11-27 | A kind of switch cabinet grounding switch hanging locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721610420.7U CN207503836U (en) | 2017-11-27 | 2017-11-27 | A kind of switch cabinet grounding switch hanging locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207503836U true CN207503836U (en) | 2018-06-15 |
Family
ID=62506368
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721610420.7U Active CN207503836U (en) | 2017-11-27 | 2017-11-27 | A kind of switch cabinet grounding switch hanging locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207503836U (en) |
-
2017
- 2017-11-27 CN CN201721610420.7U patent/CN207503836U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207503836U (en) | A kind of switch cabinet grounding switch hanging locking device | |
| CN204067109U (en) | Misoperation-proof locking device | |
| CN102360971B (en) | Handle locking device for modular terminal electrical appliance | |
| CN105063971B (en) | For the housing unit and washing machine of washing machine | |
| CN209487386U (en) | A kind of three station isolated operation mechanism of gas-filling cabinet | |
| CN208957697U (en) | Cooking utensil | |
| CN203931860U (en) | A kind of Shou Cao mechanism for circuit breaker | |
| CN208257240U (en) | Outdoor preassembled transformer station | |
| CN202079947U (en) | Substation switching operation ticket plate | |
| CN209448287U (en) | A kind of municipal works safety series distribution box | |
| CN206022147U (en) | A kind of mechanical chain mechanism | |
| CN218385058U (en) | Thing networking safety power consumption protector | |
| CN206819888U (en) | Alternating current-direct current switching device, alternating current-direct current dual-purpose electric instrument and burnisher | |
| CN209487790U (en) | A kind of socket protection cover of child-resistant electric shock | |
| CN207302922U (en) | Breaker anti-error closing device | |
| CN209029784U (en) | A kind of ring network cabinet interlocking mechanism | |
| CN203607702U (en) | Multifunctional emergency unlocking anti-error cover | |
| CN102205762A (en) | Switching operation ticket clamp plate for transformer substation | |
| CN105030076B (en) | Button locking mechanical system and domestic appliance | |
| CN208329715U (en) | Standard shield | |
| CN213277883U (en) | Button protective cover | |
| CN205992693U (en) | A kind of low voltage drawing-out switching carbinet interlock | |
| CN209592625U (en) | Distribution board is used in a kind of construction | |
| CN216214946U (en) | High-reliability low-voltage switch cabinet | |
| CN207038807U (en) | A kind of resetting structure of smart jack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wen Wei Inventor after: Zeng Siying Inventor before: Zeng Siying Inventor before: Wen Wei |