CN209970432U - Double-plate duck web elbow polishing device - Google Patents
Double-plate duck web elbow polishing device Download PDFInfo
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- CN209970432U CN209970432U CN201920821770.0U CN201920821770U CN209970432U CN 209970432 U CN209970432 U CN 209970432U CN 201920821770 U CN201920821770 U CN 201920821770U CN 209970432 U CN209970432 U CN 209970432U
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Abstract
The utility model relates to the technical field of double-disk duck foot elbow attachment, in particular to a double-disk duck foot elbow polishing device, which reduces the labor intensity of a user and improves the working efficiency; the polishing machine comprises a workbench and a driving motor, wherein the output end of the driving motor is provided with a polishing wheel, and the side wall of the bottom of the workbench is provided with four groups of supporting legs; still include the bracing piece, the rotor plate, L type pole, the apparatus further comprises a rotating shaft, the fixed block, a platform, box and clearance lid, the bracing piece bottom is connected with the central zone of workstation top lateral wall left end, bracing piece top lateral wall is provided with the articulated groove of left and right direction intercommunication, swivel plate left side wall central zone is provided with the transition axle, the transition axle left end inserts articulated inslot portion and articulated with the articulated inslot lateral wall, the driving motor top is connected with rotor plate bottom side wall, the rotor plate is provided with the transition hole, throw aureola top and pass the transition hole, L type pole bottom is connected with bracing piece top lateral wall, L type pole front side wall half right side region is provided with the standing groove.
Description
Technical Field
The utility model relates to a double plate duck's foot return bend auxiliary device's technical field especially relates to a double plate duck's foot return bend burnishing device.
Background
As is well known, the double-disk duck foot elbow polishing device is an auxiliary device which is used in the production and processing process of double-disk duck foot elbows and is used for polishing the surfaces of the double-disk duck foot elbows so as to reduce the surface roughness of the double-disk duck foot elbows and enable the double-disk duck foot elbows to be better installed, and is widely used in the field of double-disk duck foot elbows; the existing double-disk duck-leg bent pipe polishing device comprises a workbench and a driving motor, wherein a polishing wheel is arranged at the output end of the driving motor, and four groups of supporting legs are arranged on the side wall of the bottom of the workbench; when the existing double-disk duck foot elbow polishing device is used, four groups of supporting legs support a workbench, a double-disk duck foot elbow is placed on the workbench, a driving motor is electrified to drive a polishing wheel to rotate, a user holds the driving motor in a hand to enable the polishing wheel to be in contact with the surface of the double-disk duck foot elbow, and the polishing wheel rotates to polish the surface of the double-disk duck foot elbow smoothly; the existing double-plate duck-leg elbow polishing device is found in use, and in the polishing process, a user needs to hold a driving motor for a long time to control the position of a polishing wheel, so that the labor intensity of the user is increased, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a reduce user intensity of labour, improve work efficiency's double plate duck's palm return bend burnishing device.
The utility model discloses a double-plate duck foot elbow polishing device, which comprises a workbench and a driving motor, wherein the output end of the driving motor is provided with a polishing wheel, and the side wall of the bottom of the workbench is provided with four groups of supporting legs; the polishing machine also comprises a supporting rod, a rotating plate, an L-shaped rod, a rotating shaft, a fixing block, a platform, a box body and a cleaning cover, wherein the bottom end of the supporting rod is connected with the central area of the left end of the top side wall of the workbench, the top side wall of the supporting rod is provided with a hinge groove communicated in the left-right direction, the central area of the left side wall of the rotating plate is provided with a transition shaft, the left end of the transition shaft is inserted into the hinge groove and is hinged with the inner side wall of the hinge groove, the top end of a driving motor is connected with the bottom side wall of the rotating plate, the rotating plate is provided with a transition hole, the top end of a polishing wheel penetrates through the transition hole, the bottom end of the L-shaped rod is connected with the top side wall of the supporting rod, the right half area of the front side wall of the L-shaped rod is provided with a placing groove, the top side wall of the fixed block is provided with a driving groove communicated in the left-right direction, the output end of the bottom end of the first air cylinder is inserted into the driving groove and is hinged with the inner side wall of the driving groove, the platform is fixedly connected with a group of supporting legs, the platform is provided with a dust removing fan, an adsorption cavity is arranged in the workbench, the top side wall of the workbench is communicated with a plurality of groups of air inlets, the bottom side wall of the workbench is communicated with an air inlet pipe, the air inlet pipe is communicated with the input end of the dust removing fan, a collection cavity is arranged in the box, the top side wall of the box is communicated with an air outlet pipe, the input end of the air outlet pipe is communicated with the output end of the dust removing fan, the left side wall of the box is communicated with a mounting port, the mounting port is provided with a filter screen, the side wall of the cleaning cover top is communicated with a threaded opening, and the chip discharging pipe is screwed into the threaded cavity along the threaded opening.
The utility model discloses a two dishes of duck's foot return bend burnishing device still includes two sets of left clamp rods, workstation top side wall is provided with the second cylinder, and second cylinder left end output is provided with the connecting plate, and connecting plate left side wall front end and rear end are provided with two sets of right clamp rods respectively, two sets of left clamp rod bottoms all with workstation top side wall connection, all be provided with the cushion on the right side wall of two sets of left clamp rods and the left side wall of two sets of right clamp rods.
The utility model discloses a two dishes of duck's foot return bend burnishing device, the box top is provided with shock dynamo.
The utility model discloses a two dishes of duck's foot return bend burnishing device, the screw thread intracavity bottom lateral wall is provided with sealed the pad, the play bits socle end and the sealed inseparable contact of pad.
The utility model discloses a two dishes of duck's foot return bend burnishing device, clearance lid lateral wall is provided with multiunit antiskid line.
The utility model discloses a two dishes of duck's foot return bend burnishing device still includes the stiffener, stiffener top and bottom respectively with the platform with a set of the landing leg is connected.
The utility model discloses a two dishes duck's foot return bend burnishing device, standing groove department is provided with ball bearing, pivot rear end and ball bearing key-type connection.
The utility model discloses a two dishes of duck's foot return bend burnishing device, the lateral wall is provided with the access hole before the box, and access hole department is provided with the apron.
The utility model discloses a two dishes of duck's foot return bend burnishing device still includes the stabilizer bar, stabilizer bar top and bottom are connected with transition axle and rotor plate respectively.
The utility model discloses a two dishes of duck's foot return bend burnishing device, half regional intercommunication in the left side of lateral wall is provided with the viewing aperture before the box, and viewing aperture department is provided with the transparent plate.
Compared with the prior art, the beneficial effects of the utility model are that: under the interaction of the supporting rod, the transition shaft and the rotating plate, the driving motor and the polishing wheel can rotate, the fixed block is fixedly connected with the first air cylinder, the first air cylinder is hinged with the bottom end output end and the fixed block, under the mutual matching of the rotating shaft, the fixed block, the mounting block and the L-shaped rod, the length of the output end of the first air cylinder is operated to enable the rotating plate, the driving motor and the polishing wheel to change in angle, so that the distance between the bottom end of the polishing wheel and a workbench changes, the double-disk duck-leg elbow is placed on the workbench, a user can control the height of the polishing wheel by controlling the length of the output end of the first air cylinder to adjust the polishing wheel to be in contact with the double-disk duck-leg elbow, then the driving motor is started to enable the polishing wheel to rotate, the polishing wheel polishes the surfaces of the double-disk duck-leg elbow smoothly, the dedusting fan, Inside absorption chamber, intake pipe, dust exhausting fan and outlet duct got into the box, the piece was intercepted by the filter screen, and the air passed the filter screen, when clearing up the piece, closed dust exhausting fan, rotatory clearance lid made the clearance lid break away from the play bits pipe, and the piece falls along play bits pipe to further reduce user's work load, reduce user intensity of labour, improve work efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a right side view of the L-shaped rod, the shaft, the fixing block, the mounting block, the first cylinder and the ball bearing of the present invention;
FIG. 4 is a schematic top view of the cleaning cover and gasket of the present invention;
FIG. 5 is a perspective view of the case, the cover plate and the transparent plate of the present invention;
in the drawings, the reference numbers: 1. a work table; 2. a drive motor; 3. a polishing wheel; 4. a support bar; 5. a rotating plate; 6. an L-shaped rod; 7. a rotating shaft; 8. a fixed block; 9. a platform; 10. a box body; 11. cleaning the cover; 12. a transition shaft; 13. mounting blocks; 14. a first cylinder; 15. a dust removal fan; 16. an air inlet pipe; 17. an air outlet pipe; 18. filtering with a screen; 19. a conical ring; 20. a scrap discharge pipe; 21. a left clamping bar; 22. a second cylinder; 23. vibrating a motor; 24. a gasket; 25. anti-skid lines; 26. a reinforcing bar; 27. a ball bearing; 28. a cover plate; 29. a stabilizer bar; 30. a transparent plate.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 5, the double-plate duck foot elbow polishing device of the present invention comprises a worktable 1 and a driving motor 2, wherein the output end of the driving motor 2 is provided with a polishing wheel 3, and the bottom side wall of the worktable 1 is provided with four groups of supporting legs; the polishing machine also comprises a supporting rod 4, a rotating plate 5, an L-shaped rod 6, a rotating shaft 7, a fixed block 8, a platform 9, a box body 10 and a cleaning cover 11, wherein the bottom end of the supporting rod 4 is connected with the central area of the left end of the top side wall of the workbench 1, the top side wall of the supporting rod 4 is provided with a hinge groove communicated in the left-right direction, the central area of the left side wall of the rotating plate 5 is provided with a transition shaft 12, the left end of the transition shaft 12 is inserted into the hinge groove and is hinged with the inner side wall of the hinge groove, the top end of a driving motor 2 is connected with the bottom side wall of the rotating plate 5, the rotating plate 5 is provided with a transition hole, the top end of a polishing wheel 3 passes through the transition hole, the bottom end of the L-shaped rod 6 is connected with the top side wall of the supporting rod 4, the right half area of the front side wall of the L-shaped rod 6 is provided, the top side wall of the fixed block 8 is provided with a driving groove communicated in the left-right direction, the output end of the bottom end of the first air cylinder 14 is inserted into the driving groove and hinged with the inner side wall of the driving groove, the platform 9 is fixedly connected with a group of supporting legs, the platform 9 is provided with a dust removing fan 15, the inside of the workbench 1 is provided with an adsorption cavity, the top side wall of the workbench 1 is communicated with a plurality of groups of air inlets, the bottom side wall of the workbench 1 is communicated with an air inlet pipe 16, the air inlet pipe 16 is communicated with the input end of the dust removing fan 15, the inside of the box 10 is provided with a collection cavity, the top side wall of the box 10 is communicated with an air outlet pipe 17, the input end of the air outlet pipe 17 is communicated with the output end of the dust removing fan 15, the left side wall of the box 10 is communicated with a mounting port, a threaded cavity is formed in the cleaning cover 11, a threaded opening is formed in the top side wall of the cleaning cover 11 in a communicating mode, and the chip outlet pipe 20 is inserted into the threaded cavity in a threaded mode along the threaded opening; under the interaction of the supporting rod, the transition shaft and the rotating plate, the driving motor and the polishing wheel can rotate, the fixed block is fixedly connected with the first air cylinder, the first air cylinder is hinged with the bottom end output end and the fixed block, under the mutual matching of the rotating shaft, the fixed block, the mounting block and the L-shaped rod, the length of the output end of the first air cylinder is operated to enable the rotating plate, the driving motor and the polishing wheel to change in angle, so that the distance between the bottom end of the polishing wheel and a workbench changes, the double-disk duck-leg elbow is placed on the workbench, a user can control the height of the polishing wheel by controlling the length of the output end of the first air cylinder to adjust the polishing wheel to be in contact with the double-disk duck-leg elbow, then the driving motor is started to enable the polishing wheel to rotate, the polishing wheel polishes the surfaces of the double-disk duck-leg elbow smoothly, the dedusting fan, Inside absorption chamber, intake pipe, dust exhausting fan and outlet duct got into the box, the piece was intercepted by the filter screen, and the air passed the filter screen, when clearing up the piece, closed dust exhausting fan, rotatory clearance lid made the clearance lid break away from the play bits pipe, and the piece falls along play bits pipe to further reduce user's work load, reduce user intensity of labour, improve work efficiency.
The utility model discloses a double-plate duck foot elbow polishing device, still include two sets of left clamping bars 21, workstation 1 top side wall is provided with second cylinder 22, second cylinder 22 left end output is provided with the connecting plate, connecting plate left side wall front end and rear end are provided with two sets of right clamping bars respectively, two sets of left clamping bars 21 bottom all with workstation 1 top side wall connection, all be provided with the cushion on the right side wall of two sets of left clamping bars 21 and the left side wall of two sets of right clamping bars; the double-disk duck foot elbow is placed on the workbench, and then the length of the output end of the second cylinder is increased, so that the double-disk duck foot elbow is clamped by the two groups of left clamping rods, the two groups of right clamping rods, the connecting plate and the four groups of cushions.
The utility model discloses a double-disk duck web elbow polishing device, the top of a box body 10 is provided with a vibration motor 23; when the debris is cleaned, the vibration motor is opened, the vibration motor vibrates to drive the filter screen to vibrate, and the debris is separated from the filter screen and falls to the debris discharging pipe.
The utility model discloses a double-disk duck web elbow polishing device, the side wall of the inner bottom of a threaded cavity is provided with a sealing gasket 24, and the bottom end of a scrap discharging pipe 20 is tightly contacted with the sealing gasket 24; the sealing gasket improves the sealing property between the scrap discharging pipe and the cleaning cover.
The utility model discloses a double-disk duck web elbow polishing device, the outer side wall of a cleaning cover 11 is provided with a plurality of groups of anti-skid grains 25; the plurality of sets of anti-slip threads increase the friction between the cleaning cover and the user.
The utility model discloses a double-disk duck foot elbow polishing device, which also comprises a reinforcing rod 26, wherein the top end and the bottom end of the reinforcing rod 26 are respectively connected with a platform 9 and a group of supporting legs; a triangular structure is formed among the reinforcing rod, the platform and the group of supporting legs, and the use reliability is improved.
The utility model discloses a double-disk duck web elbow polishing device, a ball bearing 27 is arranged at the position of a placing groove, and the rear end of a rotating shaft 7 is connected with the ball bearing 27 in a key way; the ball bearing improves the stability of the rotating shaft during rotation.
The utility model discloses a double-plate duck web elbow polishing device, the front side wall of a box body 10 is provided with an access hole, and the access hole is provided with a cover plate 28; the cover plate is fixed on the box body through an external bolt, and the cover plate is opened periodically to carry out deep cleaning on the filter screen.
The utility model discloses a double-disk duck foot elbow polishing device, which also comprises a stabilizer bar 29, wherein the top end and the bottom end of the stabilizer bar 29 are respectively connected with a transition shaft 12 and a rotating plate 5; a stable triangle is formed among the three groups of the stabilizing rod, the transition shaft and the rotating plate, and the stability of the transition shaft is improved.
The utility model discloses a double-plate duck foot elbow polishing device, the left half area of the front side wall of a box body 10 is communicated with an observation port, and the observation port is provided with a transparent plate 30; observe the piece accumulation condition of filter screen department through the transparent plate, need regularly clear up the transparent plate.
The utility model discloses a double-disk duck foot elbow polishing device, under the interaction of bracing piece, stabilizer bar, transition shaft and rotor plate, driving motor and polishing wheel are rotatable, fixed block and first cylinder fixed connection, first cylinder and bottom output end are articulated with the fixed block, under the mutual cooperation of pivot, ball bearing, fixed block, installation block and L type pole, the length of operation first cylinder output end makes rotor plate, driving motor and polishing wheel angle change, thereby the distance between polishing wheel bottom and the workstation changes, place double-disk duck foot elbow on the workstation, then operate second cylinder output end length increase, make two sets of left clamping bars, two sets of right clamping bars, connecting plate and four groups of cushions press from both sides double-disk duck foot elbow tightly, thereby the user can control the height of polishing wheel through the length control of first cylinder output end, then the polishing wheel is adjusted to be in contact with the double-disk duck-leg bent pipe, then the driving motor is started to enable the polishing wheel to rotate, the polishing wheel polishes the surface of the double-disk duck-leg bent pipe smoothly, a triangular structure is formed among the reinforcing rod, the platform and the set of supporting legs, the dust removal fan is electrified, air and debris generated in the polishing process enter the box body along the plurality of sets of air inlets, the adsorption cavity, the air inlet pipe, the dust removal fan and the air outlet pipe at the workbench, the sealing gasket improves the sealing property between the debris outlet pipe and the cleaning cover, the debris is intercepted by the filter screen, the air passes through the filter screen, when the debris is cleaned, the dust removal fan is closed, the vibration motor is opened, the cleaning cover is rotated to separate the cleaning cover from the debris outlet pipe, the debris falls along the debris outlet pipe, so that the workload of a user is further reduced, the cover plate is fixed on the box body through an, the transparent plate needs to be cleaned regularly.
The utility model discloses a two dishes duck's palm return bend burnishing device, above the mounting means of all parts, connected mode or the mode that sets up are the welding, riveting or other common mechanical mode, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, sealed intercommunication is sealed when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementing of its beneficial effect, above-mentioned all with electric module and with electric common electrical part in market, buy when returning to the use only need connect according to the mutual electricity of the instruction manual that together buy back and can use, and control module is its common from taking the module, the event is no longer repeated here.
The double-disk duck web elbow polishing device of the utility model, under the condition of not being described reversely, the orientation words contained in the terms of 'up-down, left-right, front-back, inside-outside, vertical and horizontal' and the like only represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A double-plate duck-leg bent pipe polishing device comprises a workbench (1) and a driving motor (2), wherein a polishing wheel (3) is arranged at the output end of the driving motor (2), and four groups of supporting legs are arranged on the side wall of the bottom of the workbench (1); the polishing machine is characterized by further comprising a supporting rod (4), a rotating plate (5), an L-shaped rod (6), a rotating shaft (7), a fixing block (8), a platform (9), a box body (10) and a cleaning cover (11), wherein the bottom end of the supporting rod (4) is connected with the central area of the left end of the top side wall of the workbench (1), the top side wall of the supporting rod (4) is provided with a hinge groove communicated in the left-right direction, the central area of the left side wall of the rotating plate (5) is provided with a transition shaft (12), the left end of the transition shaft (12) is inserted into the hinge groove and is hinged with the inner side wall of the hinge groove, the top end of the driving motor (2) is connected with the bottom side wall of the rotating plate (5), the rotating plate (5) is provided with a transition hole, the top end of the polishing wheel (3) penetrates through the transition hole, the bottom end of the L-shaped rod (6), the rear end of the rotating shaft (7) is inserted into the placing groove, the front end of the rotating shaft (7) is provided with an installation block (13), the front end of the installation block (13) is provided with a first air cylinder (14), the bottom end of the fixed block (8) is connected with the central area of the right half area of the top side wall of the rotating plate (5), the top side wall of the fixed block (8) is provided with a driving groove communicated in the left-right direction, the bottom end output end of the first air cylinder (14) is inserted into the driving groove and is hinged with the inner side wall of the driving groove, the platform (9) is fixedly connected with a group of supporting legs, the platform (9) is provided with a dust removal fan (15), the inside of the workbench (1) is provided with an adsorption cavity, the top side wall of the workbench (1) is communicated with a plurality of air inlets, the bottom side wall of the workbench (1) is communicated with an air inlet pipe (, box (10) top lateral wall intercommunication is provided with outlet duct (17), and outlet duct (17) input and dust exhausting fan (15) output intercommunication, box (10) left side wall intercommunication are provided with the installing port, and installing port department is provided with filter screen (18), and box (10) bottom lateral wall is provided with four group's branches, and box (10) bottom lateral wall intercommunication is provided with toper ring (19), and toper ring (19) bottom intercommunication is provided with out bits pipe (20), and play bits pipe (20) lateral wall is provided with the external screw thread, clearance lid (11) inside is provided with the screw thread chamber, and clearance lid (11) top lateral wall intercommunication is provided with the screw thread mouth, go out bits pipe (20) along screw thread mouth spiral shell dress and insert the screw thread chamber.
2. The double-disk duck foot elbow polishing device as claimed in claim 1, further comprising two sets of left clamping rods (21), wherein the top side wall of the workbench (1) is provided with a second cylinder (22), the left end output end of the second cylinder (22) is provided with a connecting plate, the front end and the rear end of the left side wall of the connecting plate are respectively provided with two sets of right clamping rods, the bottom ends of the two sets of left clamping rods (21) are both connected with the top side wall of the workbench (1), and the right side walls of the two sets of left clamping rods (21) and the left side walls of the two sets of right clamping rods are both provided with soft pads.
3. A double-disk duck-leg elbow polishing device according to claim 2, wherein a vibration motor (23) is arranged on the top of the box body (10).
4. A double-disk duck-leg elbow polishing device according to claim 3, wherein a sealing gasket (24) is arranged on the inner bottom wall of the threaded cavity, and the bottom end of the chip outlet pipe (20) is tightly contacted with the sealing gasket (24).
5. A double-disk duck foot elbow polishing device according to claim 4, characterized in that the outer side wall of the cleaning cover (11) is provided with a plurality of sets of anti-slip lines (25).
6. A double-disk duck-leg elbow polishing device according to claim 5, further comprising a reinforcing rod (26), wherein the top end and the bottom end of the reinforcing rod (26) are respectively connected with the platform (9) and the set of legs.
7. The double-disk duck-leg elbow polishing device as claimed in claim 6, wherein a ball bearing (27) is arranged at the position of the placing groove, and the rear end of the rotating shaft (7) is in key connection with the ball bearing (27).
8. A double-plate duck-leg elbow polishing device as claimed in claim 7, wherein the front side wall of the box body (10) is provided with an access opening, and the access opening is provided with a cover plate (28).
9. A double-disk duck-leg elbow polishing device according to claim 8, further comprising a stabilizer bar (29), wherein the top end and the bottom end of the stabilizer bar (29) are respectively connected with the transition shaft (12) and the rotating plate (5).
10. The double-plate duck foot elbow polishing device as claimed in claim 9, wherein a viewing port is communicated with the left half area of the front side wall of the box body (10), and a transparent plate (30) is arranged at the viewing port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821770.0U CN209970432U (en) | 2019-06-03 | 2019-06-03 | Double-plate duck web elbow polishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920821770.0U CN209970432U (en) | 2019-06-03 | 2019-06-03 | Double-plate duck web elbow polishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209970432U true CN209970432U (en) | 2020-01-21 |
Family
ID=69265096
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920821770.0U Expired - Fee Related CN209970432U (en) | 2019-06-03 | 2019-06-03 | Double-plate duck web elbow polishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209970432U (en) |
-
2019
- 2019-06-03 CN CN201920821770.0U patent/CN209970432U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20200121 Termination date: 20200603 |