CN208487477U - A kind of LED anti-explosion floodlight - Google Patents
A kind of LED anti-explosion floodlight Download PDFInfo
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- CN208487477U CN208487477U CN201820892371.9U CN201820892371U CN208487477U CN 208487477 U CN208487477 U CN 208487477U CN 201820892371 U CN201820892371 U CN 201820892371U CN 208487477 U CN208487477 U CN 208487477U
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- power supply
- fixed
- case lid
- supply box
- lamp holder
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Abstract
The utility model relates to explosion-proof lamp technical fields, disclose a kind of LED anti-explosion floodlight, including lamp holder, power supply box and case lid.The power supply box is located at the upper position of the lamp holder, and passes through support device；The case lid is covered on the top of the power supply box by closure apparatus, and the case lid is connect by the closure apparatus with the power supply box.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, make to connect with power supply box always on front side of case lid by closure apparatus, worker is without removing power supply case lid and finding placement location, and it can avoid placing everywhere after power supply case lid is removed and being trampled and damaged, or the problem of causing the loss of power supply case lid, keep the maintenance work of worker more convenient.
Description
Technical field
The utility model relates to explosion-proof lamp technical fields, more specifically, it relates to a kind of LED anti-explosion floodlight.
Background technique
Explosion-proof lamp refers to for hazardous area existing for imflammable gas and dust, can prevent issuable electricity inside lamp
Arc, spark and high temperature ignite imflammable gas and dust in ambient enviroment, to reach the lamps and lanterns of requirement of explosion proof, including explosion-proof
Floodlight；Floodlight refers to that one kind can be to the point light source of all directions uniform irradiation.
Currently, the Chinese patent that notification number is CN203273518U discloses the road high-power floodlight of explosion-proof energy-saving LED
Lamp, implosion guard fixing piece are arranged on lamp holder, implosion guard are inlaid on implosion guard fixing piece, is set on the inside of implosion guard
It is equipped with floodlight；Power supply box is provided with above cooling fin on lamp holder, is provided with constant-current supply case in power supply box, floodlight with
Constant-current supply case is connected by conducting wire, and the upper surface of power supply box is additionally provided with power supply case lid.
But it is above-mentioned power supply case lid is fixed on power supply box in the prior art, when needing to open power supply case lid to power supply box
When interior device carries out maintenance and inspection, it need to first remove power supply case lid and find placement location, and by everywhere after power supply case lid is removed
Placement may be trampled and be damaged, or cause the loss of power supply case lid, therefore certain inconvenience is caused to maintenance work.
Utility model content
In view of the deficienciess of the prior art, the utility model lies in that provide a kind of LED anti-explosion floodlight, to floodlight into
When row maintenance overhaul, it can avoid power supply case lid and nowhere place or because placing the problem of damaging or losing everywhere, make maintenance mans
It is more convenient.
To achieve the above object, the utility model provides following technical solution:
A kind of LED anti-explosion floodlight, including lamp holder, power supply box and case lid, the power supply box are located at the top of the lamp holder
Position, and pass through support device；The case lid is covered on the top of the power supply box, and the case lid by closure apparatus
It is connect by the closure apparatus with the power supply box.
By using above-mentioned technical proposal, power supply box is by support device in the top of lamp holder；Case lid is attached together by lid
The upper position for being covered on power supply box is set, keeps the connection of case lid and power supply box more firm, and case lid passes through closure apparatus and power supply
Case connection can remain the company of case lid and power supply box when opening case lid carries out maintenance and inspection to the component in power supply box
It connects, worker can avoid placing and being trampled everywhere after power supply case lid is removed without removing power supply case lid and finding placement location
The problem of damaging, or causing the loss of power supply case lid keeps the maintenance work of worker more convenient.
The utility model is further arranged to: the closure apparatus includes that extending seat, positioning seat and fastening press from both sides, the extension
Seat is fixed on the medium position of the power supply box front side wall, the middle part of the case lid front side wall along the vertical direction, and is located at described
The left and right ends position on extending seat top extends to form forward positioning seat, and the positioning seat top is fixed with the second reinforcing rib；Institute
It states and is fixed with connecting shaft between positioning seat, the extending seat front side wall is fixed with fastening folder, and fastening folder top is formed and institute
The corresponding hook portion of connecting shaft is stated, the hook portion is buckled in the connecting shaft.
By using above-mentioned technical proposal, the middle part of power supply box front side wall is fixed with extending seat along the vertical direction, before case lid
Positioning seat is fixed on side wall, extending seat is corresponding with positioning seat, and positioning seat passes through the stabilization of the second reinforcing rib reinforcement structure
Property, enhance the stability of closure apparatus；Extending seat front side wall is fixed with fastening folder, is fixed with connecting shaft between positioning seat, fastens
It is corresponding with connecting shaft to press from both sides the hook portion that top is formed, and hook portion can be buckled in connecting shaft, thus make front side and the power supply box of case lid
It is connected, when opening the rear side of case lid, case lid is not separated with power supply box, opens case lid and without other placing box to reach
The purpose of lid；On the other hand, by the snapping of hook portion and connecting shaft, the position of preliminary fixed box cover and power supply box is convenient for into one
Step is fixed.
The utility model is further arranged to: the case lid is fixed by fixed device, and the fixed device includes connection
Set and installation set, the left and right ends of the same side are formed with connector sleeve on the wall of power supply box front and rear sides, opposite with connector sleeve on case lid
The position answered is formed with installation set, can fix clamping screw in connector sleeve and installation set.
By using above-mentioned technical proposal, after closure apparatus tentatively covers conjunction, by connector sleeve and installation set further by case
Lid is fixed on power supply box；The peace on connector sleeve and case lid that the left and right ends of the same side of the front and rear sides wall of power supply box are formed
Encapsulation is corresponding, is thus equipped with corresponding fixed structure on power supply box and case lid；Then solid in connector sleeve and installation set
Determine clamping screw, connector sleeve can be accordingly fixed together with installation set, further case lid is fixed on power supply box.
The utility model is further arranged to: the lamp holder top has circumferentially been formed uniformly cooling fin；The support dress
Setting in the cooling fin top, including support rod and support base, the front side on the lamp holder top and rear side are respectively and fixedly provided with left and right
The support rod at interval；The support base is located at the lower part of power supply box front and rear sides wall, and corresponds to the position of the support rod
It sets；The side that the support base of the same side is close to each other is fixed with the first reinforcing rib；The support base is corresponding with support rod
Middle part can fix fastening bolt.
By using above-mentioned technical proposal, the cooling fin that lamp holder top is circumferentially formed uniformly improves lamp holder for radiating
Heat dissipation performance；The front and rear sides on lamp holder top be respectively and fixedly provided between left and right every support rod, Power Support case；Two before and after power supply box
The lower part of side wall position corresponding with support rod forms support base, is easier the structure of lamp holder Power Support case by support base
Fixed and decomposition；Support base passes through the first reinforcing rib reinforcement structure stability；Support base middle part corresponding with support rod is fixed
Thus lamp holder and power supply box are fixed to each other by fastening bolt.
The utility model is further arranged to: further including handle, the handle is installed on the top of power supply box, and under handle
The left and right ends in portion are connected to the left and right sides of the lamp holder by attachment device.
By using above-mentioned technical proposal, handle is installed on power supply upper box part, can hold handle and be shone using floodlight
It is bright；The left and right ends of handle lower part are connected to the left and right sides of lamp holder by attachment device, by attachment device make handle with
Lamp holder can relatively rotate, so that lamp holder itself be made to can adjust illumination direction, meet the needs of practical application.
The utility model is further arranged to: the attachment device rotor plate, fixing seat and matching board, a left side for the lamp holder
Right two sides positional symmetry is fixed with fixing seat, and the fixing seat is fixed on the cooling fin；The outside of the fixing seat is solid
Surely have a circular matching board, the lower position of the handle left and right ends is fixed with circular rotor plate, the rotor plate with match
Plywood can relatively rotate.
By using above-mentioned technical proposal, fixing seat is symmetrically fixed at left and right sides of lamp holder, fixing seat is fixed on heat dissipation
On piece keeps overall structure more reasonable, without occupying redundant space；It is fixed with matching board on the outside of fixing seat, handle left and right ends
The fixed rotor plate of lower position and the rounded shape of matching board, keep the fit structure of rotor plate and matching board more reasonable；
The operation for adjusting lamp holder illumination direction can be achieved in the relative rotation of rotor plate and matching board.
The utility model is further arranged to: on the rotor plate and the opposite side wall of the matching board respectively circumferentially
It is formed with rack gear, the rack gear mutual cooperation of the rotor plate and matching board.
By using above-mentioned technical proposal, the rack gear phase interworking that is circumferentially formed on the rotor plate side wall opposite with matching board
It closes, makes the rotational structure of rotor plate and matching board be more convenient for controlling, rotation process is also more stable.
The utility model is further arranged to: the handle top is formed with symmetrical mounting hole.
By using above-mentioned technical proposal, the symmetrical mounting hole that handle top is formed can both hold handle and illuminated,
Handle can also be fixed on to the place of illumination by mounting hole, floodlight is fixed at one and is illuminated, is met diversified
Use demand.
The utility model is further arranged to: case upper part of the cover middle position, which raises upward, is formed with mounting base, institute
It states mounting base top and is fixed with cable connector；The surrounding position of the cable connector is uniformly fixed with third reinforcing rib, and described
Third reinforcing rib extends to the medium position of case lid top all around from the mounting base top respectively.
By using above-mentioned technical proposal, case upper part of the cover middle position raises upward to form mounting base, solid in mounting base
Determine cable connector, cable is picked out from cable connector, the place applied needed for being connected to floodlight；The surrounding position of cable connector
Set and be uniformly fixed with third reinforcing rib, and third reinforcing rib respectively from mounting base top extend to case lid top all around in
Portion position, reinforces the structural strength of cable connector, while keeping overall structure more reasonable.
The utility model is further arranged to: the lamp holder is rounded, and lamp holder lower part undergauge forms accommodating cavity, described
It is inlaid with implosion guard on accommodating cavity side wall, is provided with several light bulbs on the inside of the implosion guard；The edge of the lamp holder lower part
Place is circumferentially formed with several convex blocks.
By using above-mentioned technical proposal, lamp holder is rounded, and lamp holder lower part undergauge forms accommodating cavity, and accommodating cavity side wall is inlayed
There is implosion guard, several light bulbs of setting in implosion guard protect the fragment that also avoidable light bulb is burst while light bulb to hurt sb.'s feelings；Lamp
The edge of seat lower part is circumferentially formed with several convex blocks, and convex block can increase the friction of hand and lamp holder, changes convenient for rotating lamp holder
Illumination direction.
In conclusion the utility model has the following beneficial effects:
1. case lid is covered on the upper position of power supply box by closure apparatus, and when opening case lid is to first device in power supply box
When part carries out maintenance and inspection, connecting shaft is buckled in by hook portion, makes to connect with power supply box always on front side of case lid, worker is without removing
Power supply case lid simultaneously finds placement location, and can avoid placing everywhere after power supply case lid is removed and being trampled and damaged, or cause
The problem of loss of power supply case lid, keeps the maintenance work of worker more convenient；
2. be installed on power supply upper box part and be connected to the handle of wall at left and right sides of lamp holder, can be held convenient for people floodlight into
Row illumination；Handle and lamp holder pass through the rotation connection of rotor plate and matching board simultaneously, make lamp holder that can relatively rotate with handle,
Thus it can be achieved the operation for changing illumination direction when lamp holder is fixed.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present embodiment；
Fig. 2 is the schematic top plan view of the structure of the present embodiment；
Fig. 3 is the enlarged diagram of part A in Fig. 2.
Appended drawing reference: 1, lamp holder；11, accommodating cavity；12, implosion guard；13, light bulb；14, cooling fin；15, convex block；2, electric
Source case；3, handle；31, mounting hole；4, support device；41, support rod；42, support base；43, fastening bolt；44, first reinforces
Muscle；5, attachment device；51, rotor plate；52, fixing seat；53, matching board；6, closure apparatus；61, extending seat；62, positioning seat；
63, connecting shaft；64, folder is fastened；65, hook portion；66, the second reinforcing rib；7, case lid；71, mounting base；72, cable connector；73,
Three reinforcing ribs；8, fixed device；81, connector sleeve；82, installation set；83, clamping screw.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of LED anti-explosion floodlight, as shown in Figure 1, including lamp holder 1, power supply box 2 and handle 3；Power supply box 2 passes through support
Device 4 is fixed on the upper position of lamp holder 1；Handle 3 is installed on 2 top of power supply box, and the left and right ends of 3 lower part of handle pass through company
Connection device 5 is individually fixed in the left and right sides of lamp holder 1；2 top of power supply box is covered with case lid 7, and case lid 7 is solid by closure apparatus 6
Due on power supply box 2.
As shown in Figure 1, lamp holder 1 is rounded, 1 lower part undergauge of lamp holder forms accommodating cavity 11, is inlaid on 11 side wall of accommodating cavity
Implosion guard 12 is provided with several light bulbs 13 on the inside of implosion guard 12, what implosion guard 12 was used to prevent the explosion of light bulb 13 from being formed
Fragment damages people；1 top of lamp holder has circumferentially been formed uniformly cooling fin 14, improves dissipating for lamp holder 1 by cooling fin 14
Hot property；The edge of 1 lower part of lamp holder is circumferentially formed with several convex blocks 15, can increase hand and lamp holder 1 when holding lamp holder 1
Friction, convenient for changing the illumination direction of lamp holder 1.
As shown in Figure 1, 2, attachment device 5 includes rotor plate 51, fixing seat 52 and matching board 53, the left and right sides of lamp holder 1
Positional symmetry is fixed with fixing seat 52, and fixing seat 52 is fixed on cooling fin 14, keeps overall structure more reasonable；Fixing seat 52
Outside is fixed with circular matching board 53, and the lower position of 3 left and right ends of handle is fixed with circular rotor plate 51, and rotor plate
51 and the opposite side wall of matching board 53 on be circumferentially formed with rack gear respectively, so that rotor plate 51 and matching board 53 is cooperated,
And rotor plate 51 can relatively rotate with matching board 53, and the operation for changing 1 illumination direction of lamp holder can be achieved；3 top of handle
It is formed with symmetrical mounting hole 31, floodlight can be installed on by mounting hole 31 by required position.
As shown in Fig. 2, support device 4 includes support rod 41 and support base 42, power supply box 2 is by support rod 41 and support base 42
Fix and be installed on the upper position of cooling fin 14；The front side on 1 top of lamp holder and rear side be respectively and fixedly provided between left and right every two branch
Strut 41, and front side and the support rod 41 of rear side are mutually corresponding, power supply box 2 is supported by support rod 41.
As shown in Fig. 2, the lower position of 2 front and rear sides wall of power supply box, which corresponds to support rod 41, is formed with support base 42, support
Seat 42 is fixed on the top of support rod 41, and the middle part corresponding with support rod 41 of support base 42 can fix fastening bolt 43, will
The two is fixed to each other；Two sides close to each other of support base 42 of the same side are fixed with the first reinforcing rib 44, add by first
Strengthening tendons 44 reinforce the structure of support base 42, are fixed on power supply box 2 more firmly on lamp holder 1.
As shown in Figure 2,3, closure apparatus 6 includes extending seat 61, positioning seat 62 and fastening folder 64, the front side wall of power supply box 2
Medium position be fixed with extending seat 61 along the vertical direction；The middle part of 7 front side wall of case lid, and it is located at the left and right on 61 top of extending seat
End positions extend to form forward there are two opposite positioning seat 62, are fixed with connecting shaft 63 between two positioning seats 62；Extend
Fastening folder 64 is fixed on the front side wall of seat 61, fastening folder 64 can be fixed by installation bolt and extending seat 61, fastens on folder 64
Portion position corresponding with connecting shaft 63 is formed with hook portion 65, and hook portion 65 can be buckled in connecting shaft 63；Be achieved in case lid 7 with
The preliminary fixation of power supply box 2, and when opening case lid 7, the connection of case lid 7 Yu 2 forward position of power supply box can be still kept, can avoid
Case lid 7 is nowhere placed or because placing the problem of damaging or losing everywhere when maintenance.
As shown in Figure 1, 2, case lid 7 passes through fixed device 8 and is further secured on power supply box 2, and fixed device 8 includes connection
Set 81 and installation set 82；The front and rear sides wall of power supply box 2, and the left and right ends shape that the support base 42 for being located at the same side is located remotely from each other
At there is connector sleeve 81, position corresponding with connector sleeve 81 is formed with installation set 82 on case lid 7, in connector sleeve 81 and installation set 82
Clamping screw 83 can be fixed, it is further that case lid 7 and power supply box 2 is fixed.
As shown in Fig. 2, the middle position on 7 top of case lid, which raises upward, is formed with mounting base 71,62 top of positioning seat is fixed
There is the second reinforcing rib 66, and the second reinforcing rib 66 is fixed on the corresponding position in mounting base 71.71 top of mounting base is fixed with electricity
Cable joint 72, cable can be picked out from cable connector 72, the occasion applied needed for floodlight is connected to；Cable connector 72
All around position is respectively and fixedly provided with third reinforcing rib 73, and third reinforcing rib 73 extends to case lid 7 from 71 top of mounting base respectively
The medium position all around on top, the structural strength of cable connector 72 is further strengthened by third reinforcing rib 73；Third
Reinforcing rib 73 is located between two the second reinforcing ribs 66, keeps overall structure more reasonable.
The concrete operations process of the present embodiment is as follows:
When needing to open case lid 7 and carrying out maintenance and inspection to the component in power supply box 2, clamping screw 83 is screwed out, from rear
Side position opens case lid 7, and the hook portion 65 for fastening folder 64 at this time is buckled in connecting shaft 63, make the front side of case lid 7 always with power supply box 2
Thus connection avoids after opening case lid 7, case lid 7 is nowhere placed or is randomly placed and damages or lose.
When needing to change illumination direction, handle 3 is held, then holding lamp holder 1 makes it along rotor plate 51 and matching board
53 direction of axis line rotation, adjusts to the position of required illumination, and floodlight can be fixedly installed in institute by mounting hole 31
The place that need to be applied.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of LED anti-explosion floodlight, including lamp holder (1), power supply box (2) and case lid (7), it is characterised in that: the power supply box
(2) it is located at the upper position of the lamp holder (1), and is supported by support device (4)；The case lid (7) passes through closure apparatus (6)
It is covered on the top of the power supply box (2), and the case lid (7) is connected by the closure apparatus (6) and the power supply box (2)
It connects.
2. a kind of LED anti-explosion floodlight according to claim 1, it is characterised in that: the closure apparatus (6) includes extending
Seat (61), positioning seat (62) and fastening folder (64), the extending seat (61) are fixed on along the vertical direction on front side of the power supply box (2)
The medium position of wall, the middle part of case lid (7) front side wall, and be located at the extending seat (61) top left and right ends position to
Before extend to form positioning seat (62), positioning seat (62) top is fixed with the second reinforcing rib (66)；The positioning seat (62) it
Between be fixed with connecting shaft (63), extending seat (61) front side wall is fixed with fastening folder (64), fastenings folder (64) top shape
At hook portion (65) corresponding with the connecting shaft (63), the hook portion (65) is buckled in the connecting shaft (63).
3. a kind of LED anti-explosion floodlight according to claim 2, it is characterised in that: the case lid (7) passes through fixed device
(8) fixed, the fixed device (8) includes connector sleeve (81) and installation set (82), the same side on the wall of power supply box (2) front and rear sides
Left and right ends be formed with connector sleeve (81), position corresponding with connector sleeve (81) is formed with installation set (82) on case lid (7),
Clamping screw (83) can be fixed in connector sleeve (81) and installation set (82).
4. a kind of LED anti-explosion floodlight according to claim 1, it is characterised in that: lamp holder (1) top is circumferentially equal
It is even to be formed with cooling fin (14)；The support device (4) is located at the cooling fin (14) top, including support rod (41) and support
Seat (42), the front side on lamp holder (1) top and rear side be respectively and fixedly provided between left and right every support rod (41)；The support base (42)
Positioned at the lower part of the power supply box (2) front and rear sides wall, and correspond to the position of the support rod (41)；The branch of the same side
Support seat (42) side close to each other is fixed with the first reinforcing rib (44)；The support base (42) is corresponding with support rod (41)
Middle part can fix fastening bolt (43).
5. a kind of LED anti-explosion floodlight according to claim 4, it is characterised in that: further include handle (3), the handle
(3) be installed on the top of power supply box (2), and the left and right ends of handle (3) lower part be connected to by attachment device (5) it is described
The left and right sides of lamp holder (1).
6. a kind of LED anti-explosion floodlight according to claim 5, it is characterised in that: the attachment device (5) includes rotation
Plate (51), fixing seat (52) and matching board (53), the left and right sides positional symmetry of the lamp holder (1) are fixed with fixing seat (52),
And the fixing seat (52) is fixed on the cooling fin (14)；Circular matching board is fixed on the outside of the fixing seat (52)
(53), the lower position of handle (3) left and right ends is fixed with circular rotor plate (51), the rotor plate (51) and cooperation
Plate (53) can relatively rotate.
7. a kind of LED anti-explosion floodlight according to claim 6, it is characterised in that: the rotor plate (51) and described
Rack gear, the rack gear phase of the rotor plate (51) and matching board (53) are circumferentially formed on the opposite side wall of matching board (53) respectively
Mutually cooperation.
8. a kind of LED anti-explosion floodlight according to claim 6, it is characterised in that: handle (3) top is formed with pair
The mounting hole (31) of title.
9. a kind of LED anti-explosion floodlight according to claim 1, it is characterised in that: the interposition on case lid (7) top
It sets to raise upward and be formed with mounting base (71), mounting base (71) top is fixed with cable connector (72)；The cable connector
(72) surrounding position is uniformly fixed with third reinforcing rib (73), and the third reinforcing rib (73) is respectively from the mounting base
(71) top extends to the medium position of case lid (7) top all around.
10. a kind of LED anti-explosion floodlight according to claim 2, it is characterised in that: the lamp holder (1) is rounded, described
Lamp holder (1) lower part undergauge forms accommodating cavity (11), is inlaid with implosion guard (12), the implosion guard in the accommodating cavity (11)
(12) inside is provided with several light bulbs (13)；The edge of lamp holder (1) lower part is circumferentially formed with several convex blocks (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892371.9U CN208487477U (en) | 2018-06-08 | 2018-06-08 | A kind of LED anti-explosion floodlight |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820892371.9U CN208487477U (en) | 2018-06-08 | 2018-06-08 | A kind of LED anti-explosion floodlight |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208487477U true CN208487477U (en) | 2019-02-12 |
Family
ID=65251468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820892371.9U Active CN208487477U (en) | 2018-06-08 | 2018-06-08 | A kind of LED anti-explosion floodlight |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208487477U (en) |
-
2018
- 2018-06-08 CN CN201820892371.9U patent/CN208487477U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: LED explosion-proof floodlight Effective date of registration: 20200512 Granted publication date: 20190212 Pledgee: Zhejiang Yueqing Rural Commercial Bank Co., Ltd. Lecheng sub branch Pledgor: RECEN ELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020330000230 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20211206 Granted publication date: 20190212 Pledgee: Zhejiang Yueqing Rural Commercial Bank Co.,Ltd. Lecheng sub branch Pledgor: RECEN ELECTRIC TECHNOLOGY Co.,Ltd. Registration number: Y2020330000230 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |