CN210172731U - Cooling device convenient to maintain for electric tapper - Google Patents
Cooling device convenient to maintain for electric tapper Download PDFInfo
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- CN210172731U CN210172731U CN201921027998.9U CN201921027998U CN210172731U CN 210172731 U CN210172731 U CN 210172731U CN 201921027998 U CN201921027998 U CN 201921027998U CN 210172731 U CN210172731 U CN 210172731U
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Abstract
The utility model provides a cooling device for an electric tapper convenient to maintain, which comprises a protective shell, mounting holes, a mounting plate, a control switch, a protective cooling box structure, a protective fixing frame structure, a foldable cleaning brush structure, a connecting plate, a protective pad, a protective net, a supporting tube, a handle, an anti-skid sleeve, an adjusting bolt and a barrier sheet, wherein the mounting holes are respectively arranged at four corners of the front surface of the protective shell; the mounting plate is embedded in the middle of the left side of the front surface of the protective shell; the control switch is embedded in the middle of the front surface of the mounting plate. The utility model discloses the protection box, the separation net, the standpipe, the water inlet fill, the motor, the setting of flabellum and sealing plug are favorable to improving the cooling effect of tapping machine; the backup pad, the otic placode, the connecting hole, the protective tube, the connecting rod blocks the piece, and the setting of buffering spring, fixed plate and fastening hole is favorable to improving the safeguard effect of tapping machine.
Description
Technical Field
The utility model belongs to the technical field of the cooling, especially, relate to a heat sink for electric tapper convenient to maintain.
Background
When summer comes, the weather becomes hot gradually, so how to lower the temperature becomes a focus, and especially, workers working in a production workshop can keep their own posts in summer. Most of production workshops at present adopt cooling devices to be more, and this kind of cooling device realizes taking a breath through air pipe mainly and realizes the cooling.
But current cooling device for electric tapper still has the cooling effect poor, and the protective effect is poor and inconvenient carries out the problem of clearing up the dust.
Therefore, the invention provides a cooling device for an electric tapping machine, which is convenient to maintain.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a heat sink for electric tapper convenient to maintain to it is poor to solve current heat sink for electric tapper cooling effect, and the protective effect is poor and inconvenient carry out the problem of clearing up to the dust. A cooling device for an electric tapper convenient to maintain comprises a protective shell, mounting holes, a mounting plate, a control switch, a protective cooling box structure, a protective fixing frame structure, a foldable cleaning brush structure, a connecting plate, a protective pad, a protective net, a supporting tube, a handle, an anti-skidding sleeve, an adjusting bolt and a blocking piece, wherein the mounting holes are respectively formed in the four corners of the front surface of the protective shell; the mounting plate is embedded in the middle of the left side of the front surface of the protective shell; the control switch is embedded in the middle of the front surface of the mounting plate; the protective cooling box structures are respectively arranged in the middle positions of the left side and the right side of the front surface of the protective shell; the protective fixing frame structure is arranged on the upper part of the protective shell; the foldable cleaning brush structure is arranged in the middle of the bottom of the protective shell; the connecting plate is embedded in the middle of the lower part of the front surface of the protective shell; the protective pad is glued in the middle of the front surface of the connecting plate; the protective net is embedded in the middle of the upper part of the front surface of the protective shell; the supporting tube is connected to the left side of the upper surface of the connecting plate through a bolt; the handle is longitudinally inserted into the upper part of the inner side of the supporting tube; the antiskid sleeve is sleeved at the right upper part of the outer surface of the grip; the adjusting bolt is in threaded connection with the connection position of the supporting tube and the handle; the stop sheet is connected to the right upper part of the front surface of the handle through a screw; the protective cooling box structure comprises a protective box, an isolation net, a water storage pipe, a water inlet hopper, a motor, fan blades and a sealing plug, wherein the isolation net is connected to the left side of the protective box through screws; the water storage pipe is embedded in the middle of the inner side of the protective box; the water inlet hopper is embedded at the upper part of the water storage pipe; the motor is connected to the middle position of the right side in the protection box through a bolt; the fan blades are sleeved on an output shaft of the motor; the sealing plug is sleeved at the lower part of the water storage pipe.
Preferably, the front surface of the protective cushion is provided with a sponge layer with the thickness of one millimeter to three millimeters; the protection pad specifically adopts the rubber pad.
Preferably, the pore diameters of the protective net and the isolation net are respectively set to be one millimeter to three millimeters; the protective net and the isolation net are respectively made of stainless steel nets.
Preferably, the outer surface of the anti-slip sleeve is provided with a straight anti-slip pattern; the anti-skid sleeve is a rubber sleeve.
Preferably, the inner diameter of the water storage pipe is set to be twelve millimeters to fourteen millimeters; the water storage pipe is a stainless steel pipe; the outer surface of the water storage pipe is coated with an anti-rust paint layer.
Preferably, the protective fixing frame structure comprises a supporting plate, ear plates, a connecting hole, a protective tube, a connecting rod, a blocking block, a buffer spring, a fixing plate and a fastening hole, wherein the ear plates are respectively connected to the left side and the right side of the upper surface of the supporting plate through bolts; the connecting hole is formed in the middle of the front surface of the lug plate; the protective pipes are connected to the four corners of the upper surface of the supporting plate through bolts; the connecting rod is longitudinally inserted at the upper part of the inner side of the protective pipe; the stop block is connected to the lower part of the connecting rod through a bolt; one end of the buffer spring is welded at the lower part of the inner side of the protective pipe, and the other end of the buffer spring is welded at the lower part of the stop block; the fixed plate is connected to the upper part of the connecting rod through a bolt; the fastening holes are respectively arranged at the left side and the right side of the front surface of the fixing plate.
Preferably, the diameter of the buffer spring is set to be ten millimeters to twelve millimeters; the buffer spring is a cylindrical stainless steel spring; the outer surface of the buffer spring is embedded with a rubber layer.
Preferably, the inner diameter of the fastening hole is set to be two millimeters to four millimeters; a rubber ring is embedded in the inner side of the fastening hole; the transverse distance between the fastening holes is set to be four centimeters to six centimeters.
Preferably, the foldable cleaning brush structure comprises a connecting sheet, a holding rod, a locking sheet, a cleaning brush, a rotating shaft, a mounting bolt and a cleaning pad, wherein the holding rod is inserted in the middle of the inner side of the locking sheet; the locking sheet is connected to the left side of the front surface of the connecting sheet through a screw; the cleaning brush is connected to the middle position on the right side of the front surface of the holding rod through a rotating shaft; the mounting bolt is in threaded connection with the connecting part of the holding rod and the rotating shaft; the wiping pad is glued in the middle of the right side of the front surface of the cleaning brush.
Preferably, a rubber ring is arranged at the joint of the holding rod and the rotating shaft; the rubber ring is embedded on the outer wall of the rotating shaft.
Preferably, the wiping pad is a nylon cloth pad; the inner side of the wiping pad is embedded with a sponge layer with the thickness of two to four millimeters.
Preferably, the protective box is connected with the protective shell through bolts.
Preferably, the supporting plate is connected with the protective shell through bolts.
Preferably, the connecting piece is connected with the protective shell through a bolt.
Preferably, the control switch is electrically connected with the motor.
Preferably, the control switch is a switch with a model number of SB 16; the motor is a YL type motor.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, guard box, separation net, the standpipe, the fill of intaking, the motor, the setting of flabellum and sealing plug is favorable to improving the cooling effect of tapping machine.
2. The utility model discloses in, backup pad, otic placode, connecting hole, protecting tube, the connecting rod blocks the piece, the buffering spring, the setting in fixed plate and fastening hole is favorable to improving the protecting effect of tapping machine.
3. The utility model discloses in, connection piece, holding rod, stay, the cleaning brush, the pivot, the setting of construction bolt and cleaning pad is favorable to clearing up the dust on the tapping machine.
4. In the utility model, the front surface of the protective pad is provided with a sponge layer with the thickness of one to three millimeters; the protection pad specifically adopts the rubber pad, is favorable to wiping the oil stain on the tapping machine.
5. In the utility model, the apertures of the protective net and the isolation net are respectively set to be one millimeter to three millimeters; the protective net and the isolation net are respectively made of stainless steel nets, so that the protective net and the isolation net are prevented from rusting and being damaged.
6. In the utility model, the outer surface of the anti-skid sleeve is provided with a straight anti-skid line; the anti-slip sleeve is specifically a rubber sleeve, and is beneficial to increasing the friction force between the hand of a user and the anti-slip sleeve.
7. In the utility model, the inner diameter of the water storage pipe is set to be twelve millimeters to fourteen millimeters; the water storage pipe is a stainless steel pipe; the outer surface of the water storage pipe is coated with an anti-rust paint layer, so that the water storage pipe is prevented from rusting and leaking water to damage the tapping machine.
8. In the utility model, the diameter of the buffer spring is set to be ten millimeters to twelve millimeters; the buffer spring is a cylindrical stainless steel spring; the outer surface of the buffer spring is embedded with a rubber layer, which is beneficial to preventing the buffer spring from rusting and breaking.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the structure of the protectable cooling box of the present invention.
Fig. 3 is a schematic structural diagram of the protective fixing frame structure of the present invention.
Fig. 4 is a schematic structural view of the foldable cleaning brush structure of the present invention.
In the figure:
1. a protective shell; 2. mounting holes; 3. mounting a plate; 4. a control switch; 5. the structure of the cooling box can be protected; 51. a protective box; 52. an isolation net; 53. a water storage pipe; 54. a water inlet hopper; 55. a motor; 56. a fan blade; 57. a sealing plug; 6. the fixing frame structure can be protected; 61. a support plate; 62. an ear plate; 63. connecting holes; 64. a protective tube; 65. a connecting rod; 66. a blocking block; 67. a buffer spring; 68. a fixing plate; 69. a fastening hole; 7. a collapsible cleaning brush structure; 71. connecting sheets; 72. a holding rod; 73. a locking piece; 74. cleaning a brush; 75. a rotating shaft; 76. installing a bolt; 77. a wiping pad; 8. a connecting plate; 9. a protective pad; 10. a protective net; 11. supporting a tube; 12. a grip; 13. an anti-slip sleeve; 14. adjusting the bolt; 15. a barrier sheet.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in figures 1 to 4
The utility model provides a convenient-to-maintain cooling device for an electric tapper, which comprises a protective shell 1, mounting holes 2, a mounting plate 3, a control switch 4, a protective cooling box structure 5, a protective fixing frame structure 6, a foldable cleaning brush structure 7, a connecting plate 8, a protective pad 9, a protective net 10, a supporting tube 11, a handle 12, an anti-skid sleeve 13, an adjusting bolt 14 and a barrier sheet 15, wherein the mounting holes 2 are respectively arranged at four corners of the front surface of the protective shell 1; the mounting plate 3 is embedded in the middle of the left side of the front surface of the protective shell 1; the control switch 4 is embedded in the middle of the front surface of the mounting plate 3; the protective cooling box structures 5 are respectively arranged in the middle positions of the left side and the right side of the front surface of the protective shell 1; the protective fixing frame structure 6 is arranged at the upper part of the protective shell 1; the foldable cleaning brush structure 7 is arranged in the middle of the bottom of the protective shell 1; the connecting plate 8 is embedded in the middle of the lower part of the front surface of the protective shell 1; the protective pad 9 is glued in the middle of the front surface of the connecting plate 8; the protective net 10 is embedded in the middle of the upper part of the front surface of the protective shell 1; the supporting tube 11 is connected to the left side of the upper surface of the connecting plate 8 through a bolt; the handle 12 is longitudinally inserted into the upper part of the inner side of the supporting tube 11; the antiskid sleeve 13 is sleeved on the upper right part of the outer surface of the grip 12; the adjusting bolt 14 is in threaded connection with the connection position of the supporting tube 11 and the handle 12; the stop plate 15 is connected to the right upper part of the front surface of the handle 12 through a screw; the protective cooling box structure 5 comprises a protective box 51, a separation net 52, a water storage pipe 53, a water inlet hopper 54, a motor 55, fan blades 56 and a sealing plug 57, wherein the separation net 52 is connected to the left side of the protective box 51 through screws; the water storage pipe 53 is embedded in the middle of the inner side of the protective box 51; the water inlet hopper 54 is embedded at the upper part of the water storage pipe 53; the motor 55 is connected to the middle position of the right side in the protection box 51 through a bolt; the fan blades 56 are sleeved on an output shaft of the motor 55; the sealing plug 57 is sleeved on the lower part of the water storage pipe 53.
In the above embodiment, specifically, the front surface of the protective pad 9 is provided with a sponge layer with a thickness of one millimeter to three millimeters; the protective pad 9 is a rubber pad.
In the above embodiment, specifically, the apertures of the protective net 10 and the isolation net 52 are set to be one millimeter to three millimeters respectively; the protective net 10 and the isolation net 52 are respectively made of stainless steel nets.
In the above embodiment, specifically, the outer surface of the anti-slip sleeve 13 is provided with a linear anti-slip pattern; the anti-skid sleeve 13 is a rubber sleeve.
In the above embodiment, specifically, the inner diameter of the water storage pipe 53 is set to be twelve millimeters to fourteen millimeters; the water storage pipe 53 is a stainless steel pipe; the outer surface of the water storage pipe 53 is coated with a rust-proof paint layer.
In the above embodiment, specifically, the protectable fixing frame structure 6 includes a supporting plate 61, an ear plate 62, a connecting hole 63, a protecting tube 64, a connecting rod 65, a blocking block 66, a buffer spring 67, a fixing plate 68 and a fastening hole 69, wherein the ear plates 62 are respectively bolted on the left and right sides of the upper surface of the supporting plate 61; the connecting hole 63 is formed in the middle of the front surface of the lug plate 62; the protective pipe 64 is connected to the four corners of the upper surface of the supporting plate 61 through bolts; the connecting rod 65 is longitudinally inserted at the upper part of the inner side of the protective pipe 64; the stop block 66 is connected with the lower part of the connecting rod 65 through a bolt; one end of the buffer spring 67 is welded at the lower part of the inner side of the protective tube 64, and the other end is welded at the lower part of the stop block 66; the fixed plate 68 is connected to the upper part of the connecting rod 65 through a bolt; the fastening holes 69 are formed in the right and left sides of the front surface of the fixing plate 68, respectively.
In the above embodiment, specifically, the diameter of the buffer spring 67 is set to be ten millimeters to twelve millimeters; the buffer spring 67 is a cylindrical stainless steel spring; the outer surface of the buffer spring 67 is embedded with a rubber layer.
In the above embodiment, specifically, the inner diameter of the fastening hole 69 is set to be two millimeters to four millimeters; a rubber ring is embedded in the inner side of the fastening hole 69; the fastening holes 69 and the fastening holes 69 are arranged at a lateral distance of four centimeters to six centimeters.
In the above embodiment, specifically, the foldable cleaning brush structure 7 includes a connecting piece 71, a holding rod 72, a locking piece 73, a cleaning brush 74, a rotating shaft 75, a mounting bolt 76 and a wiping pad 77, wherein the holding rod 72 is inserted in the middle of the inner side of the locking piece 73; the locking piece 73 is connected to the left side of the front surface of the connecting piece 71 through a screw; the cleaning brush 74 is connected to the middle position on the right side of the front surface of the holding rod 72 through a rotating shaft 75; the mounting bolt 76 is in threaded connection with the connection position of the holding rod 72 and the rotating shaft 75; the wiping pad 77 is glued to the right side of the front surface of the cleaning brush 74.
In the above embodiment, specifically, a rubber ring is arranged at the joint of the holding rod 72 and the rotating shaft 75; the rubber ring is embedded on the outer wall of the rotating shaft 75.
In the above embodiment, specifically, the wiping pad 77 is specifically a nylon cloth pad; a sponge layer with the thickness of two to four millimeters is embedded on the inner side of the wiping pad 77.
In the above embodiment, specifically, the protection box 51 is connected to the protection shell 1 by bolts.
In the above embodiment, specifically, the supporting plate 61 is connected to the protective shell 1 by bolts.
In the above embodiment, specifically, the connecting piece 71 is connected with the protective shell 1 by a bolt.
In the above embodiment, specifically, the control switch 4 is electrically connected to the motor 55.
In the above embodiment, specifically, the control switch 4 is a switch with a model number SB 16; the motor 55 is a motor with a model of YL.
Principle of operation
When the utility model is used, the protective shell 1 is firstly installed on a tapping machine, then the protective shell 1 can be fixed by using bolts to pass through the installation holes 2, then, the protective shell 1 can be reinforced and fixed by penetrating the bolts through the connecting holes 63 and the fastening holes 69 again, if the bolts on the mounting holes 2 and the connecting holes 63 are loosened, the connecting rod 65 descends, meanwhile, the buffer spring 67 is stretched, the buffer spring 67 can play a role in buffering and protecting the protective shell 1, then water is poured into the water storage pipe 53 through the water inlet funnel 54, then the external power supply is switched on, then the control switch 4 is pressed to start the motor 55, then motor 55 drives flabellum 56 rotatory, then drives the rotatory wind that produces of flabellum 56 through motor 55 and blows out the cool air in the standpipe 53 and can cool down the tapping machine, if have the dust on the tapping machine, holds holding rod 72 and utilizes clearance brush 74 can clear up the dust on the tapping machine.
Utilize technical scheme, or technical personnel in the field are in the utility model discloses under technical scheme's the inspiration, design similar technical scheme, and reach above-mentioned technological effect, all fall into the utility model discloses a protection scope.
Claims (10)
1. The cooling device convenient to maintain for the electric tapper is characterized by comprising a protective shell (1), mounting holes (2), a mounting plate (3), a control switch (4), a protective cooling box structure (5), a protective fixing frame structure (6), a foldable cleaning brush structure (7), a connecting plate (8), a protective pad (9), a protective net (10), a supporting tube (11), a handle (12), an anti-skidding sleeve (13), an adjusting bolt (14) and a blocking piece (15), wherein the mounting holes (2) are respectively formed in four corners of the front surface of the protective shell (1); the mounting plate (3) is embedded in the middle of the left side of the front surface of the protective shell (1); the control switch (4) is embedded in the middle of the front surface of the mounting plate (3); the protective cooling box structures (5) are respectively arranged in the middle positions of the left side and the right side of the front surface of the protective shell (1); the protective fixing frame structure (6) is arranged at the upper part of the protective shell (1); the foldable cleaning brush structure (7) is arranged in the middle of the bottom of the protective shell (1); the connecting plate (8) is embedded in the middle of the lower part of the front surface of the protective shell (1); the protective pad (9) is glued at the middle position of the front surface of the connecting plate (8); the protective net (10) is embedded in the middle of the upper part of the front surface of the protective shell (1); the supporting tube (11) is connected to the left side of the upper surface of the connecting plate (8) through a bolt; the grip (12) is longitudinally inserted into the upper part of the inner side of the supporting tube (11); the anti-skid sleeve (13) is sleeved at the right upper part of the outer surface of the grip (12); the adjusting bolt (14) is in threaded connection with the connection part of the supporting tube (11) and the handle (12); the stop sheet (15) is connected to the right upper part of the front surface of the grip (12) through a screw; the protective cooling box structure (5) comprises a protective box (51), a separation net (52), a water storage pipe (53), a water inlet hopper (54), a motor (55), fan blades (56) and a sealing plug (57), wherein the separation net (52) is connected to the left side of the protective box (51) through screws; the water storage pipe (53) is embedded in the middle position of the inner side of the protective box (51); the water inlet hopper (54) is embedded at the upper part of the water storage pipe (53); the motor (55) is connected to the middle position of the right side in the protective box (51) through a bolt; the fan blade (56) is sleeved on an output shaft of the motor (55); the sealing plug (57) is sleeved at the lower part of the water storage pipe (53).
2. The cooling device for the electric threading machine convenient for maintenance according to claim 1, wherein the front surface of the protective pad (9) is provided with a sponge layer with a thickness of one mm to three mm; the protective pad (9) is a rubber pad.
3. The cooling device for the electric threading machine convenient to maintain according to claim 1, wherein the apertures of the protective net (10) and the isolation net (52) are respectively set to be one millimeter to three millimeters; the protective net (10) and the isolation net (52) are respectively made of stainless steel nets.
4. The cooling device for the electric threading machine convenient for maintenance according to claim 1, wherein the outer surface of the anti-slip sleeve (13) is provided with a straight anti-slip pattern; the anti-skid sleeve (13) is a rubber sleeve.
5. The cooling device for electric tappers convenient to maintain as claimed in claim 1, wherein the inner diameter of the water storage pipe (53) is set to be twelve mm to fourteen mm; the water storage pipe (53) is a stainless steel pipe; the outer surface of the water storage pipe (53) is coated with a rust-proof paint layer.
6. The cooling device for the electric threading machine convenient for maintenance according to claim 1, wherein the protectable fixing frame structure (6) comprises a supporting plate (61), lug plates (62), connecting holes (63), a protecting pipe (64), a connecting rod (65), a blocking block (66), a buffer spring (67), a fixing plate (68) and a fastening hole (69), wherein the lug plates (62) are respectively bolted on the left side and the right side of the upper surface of the supporting plate (61); the connecting hole (63) is formed in the middle of the front surface of the lug plate (62); the protective pipe (64) is connected to the four corners of the upper surface of the supporting plate (61) through bolts; the connecting rod (65) is longitudinally inserted at the upper part of the inner side of the protective pipe (64); the stop block (66) is connected to the lower part of the connecting rod (65) through a bolt; one end of the buffer spring (67) is welded at the lower part of the inner side of the protective pipe (64), and the other end of the buffer spring is welded at the lower part of the stop block (66); the fixed plate (68) is connected to the upper part of the connecting rod (65) through a bolt; the fastening holes (69) are respectively arranged at the left side and the right side of the front surface of the fixing plate (68).
7. The temperature reducing device for an electric threading machine convenient to maintain according to claim 6, characterized in that the diameter of the buffer spring (67) is set to be ten mm to twelve mm; the buffer spring (67) is a cylindrical stainless steel spring; the outer surface of the buffer spring (67) is embedded with a rubber layer.
8. The temperature reducing device for an electric threading machine convenient to maintain according to claim 6, characterized in that the inner diameter of the fastening hole (69) is set to be two mm to four mm; the inner side of the fastening hole (69) is embedded with a rubber ring; the transverse distance between the fastening holes (69) and the fastening holes (69) is set to be four centimeters to six centimeters.
9. The cooling device for the electric threading machine convenient for maintenance according to claim 1, wherein the foldable cleaning brush structure (7) comprises a connecting piece (71), a holding rod (72), a locking piece (73), a cleaning brush (74), a rotating shaft (75), a mounting bolt (76) and a wiping pad (77), wherein the holding rod (72) is inserted in the middle position of the inner side of the locking piece (73); the locking sheet (73) is connected to the left side of the front surface of the connecting sheet (71) through a screw; the cleaning brush (74) is connected to the middle position of the right side of the front surface of the holding rod (72) through a rotating shaft (75); the mounting bolt (76) is in threaded connection with the connection part of the holding rod (72) and the rotating shaft (75); the wiping pad (77) is glued at the middle position of the right side of the front surface of the cleaning brush (74).
10. The cooling device for the electric threading machine convenient for maintenance of claim 9, wherein the joint of the holding rod (72) and the rotating shaft (75) is provided with a rubber ring; the rubber ring is embedded on the outer wall of the rotating shaft (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027998.9U CN210172731U (en) | 2019-07-03 | 2019-07-03 | Cooling device convenient to maintain for electric tapper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921027998.9U CN210172731U (en) | 2019-07-03 | 2019-07-03 | Cooling device convenient to maintain for electric tapper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172731U true CN210172731U (en) | 2020-03-24 |
Family
ID=69840147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921027998.9U Expired - Fee Related CN210172731U (en) | 2019-07-03 | 2019-07-03 | Cooling device convenient to maintain for electric tapper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210172731U (en) |
-
2019
- 2019-07-03 CN CN201921027998.9U patent/CN210172731U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
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Granted publication date: 20200324 Termination date: 20210703 |