CN208440212U - Dredge pump boom hoisting - Google Patents
Dredge pump boom hoisting Download PDFInfo
- Publication number
- CN208440212U CN208440212U CN201820918662.0U CN201820918662U CN208440212U CN 208440212 U CN208440212 U CN 208440212U CN 201820918662 U CN201820918662 U CN 201820918662U CN 208440212 U CN208440212 U CN 208440212U
- Authority
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- China
- Prior art keywords
- supporting leg
- connecting rod
- shaft
- mounting base
- fixed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 6
- 229910052742 iron Inorganic materials 0.000 claims description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000004062 sedimentation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 230000005526 G1 to G0 transition Effects 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Load-Engaging Elements For Cranes (AREA)
Abstract
The utility model discloses a kind of dredge pump boom hoistings, belong to sewage treatment field, technical points include the mounting base of the rectangle of inner hollow, at least three supporting legs are provided with below mounting base, the upper surface of mounting base is provided with shaft, shaft is connected in mounting base by opposite support base revolution, rope flexible is wound in shaft, rope one ends wound is fixed in shaft, the other end of rope passes through the hollow inside of mounting base and freely falls, one end of shaft is equipped with manual rocking handle, supporting leg is hinged and connected with mounting base, connecting rod is provided between adjacent supporting leg, one end spherical surface of connecting rod is hingedly wherein on a supporting leg, the other end of connecting rod is fixedly linked by connector and another supporting leg, connector is fixed on supporting leg, it is connected between connecting rod and connector by bolt and nut component.The utility model has the advantages of foldable to reduce whole volume, convenient for operator's carrying and to occupy a small amount of volumes in collection.
Description
Technical field
The utility model relates to sewage treatment field, in particular to a kind of dredge pump boom hoisting.
Background technique
Sedimentation basin is a kind of structures that suspended matter in water removal is removed using precipitation.Sedimentation basin is in the treatment of waste water widely
It uses.The dredge pump of sedimentation basin is typically mounted on outdoor, the waste water in the row's of being applied not only to equipment, also to arrange the sewage on ground, benefit
It is high with rate, and sundries is more.When dredge pump needs to overhaul, need to hang out dredge pump from sedimentation basin.
Dredge pump is hung out from sedimentation basin now, it is most of to use static shelving and hung out dredge pump by lifting rope,
After hanging out dredge pump, detection is repaired to dredge pump, after having detected, dredge pump is being put back to by sedimentation basin by shelf
In.
After having overhauled, shelf, which is stored in warehouse, to be collected, but present static shelving is all welded and fixed, therefore
The overall volume of frame body is very big, is not easy to carry when carrying, and be stored in warehouse and can occupy a large amount of volume, be unfavorable for
The collection of static shelving.
Utility model content
The purpose of this utility model is to provide a kind of dredge pump boom hoistings, reduce with foldable whole
Volume, the advantages of being carried convenient for operator and occupy a small amount of volumes in collection.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of dredge pump boom hoisting, the mounting base of the rectangle including the inner hollow being spliced by several fashioned iron, peace
At least three supporting legs for being used to support mounting base are provided with below dress seat, the upper surface of mounting base is provided with shaft, and shaft is logical
It crosses opposite support base revolution to be connected in mounting base, rope flexible is wound in shaft, rope one ends wound, which is fixed on, to be turned
On axis, the other end of rope passes through the hollow inside of mounting base and freely falls, and one end of shaft is equipped with manual rocking handle, supporting leg
It is hinged and connected with mounting base, is provided with connecting rod between adjacent supporting leg, the hinged branch wherein of one end spherical surface of connecting rod
On leg, the other end of connecting rod is fixedly linked by connector and another supporting leg, and connector is fixed on supporting leg, connecting rod with
It is connected between connector by bolt and nut component.
By using above-mentioned technical proposal, when needing to pack up dredge pump boom hoisting, unclamp connecting rod with connect
The junction of part is rotatablely connected bar, rotates it to supporting leg direction, in turning legs, makes its lower surface direction to mounting base
Rotation, dredge pump boom hoisting is folded, to reduce spatial volume shared by dredge pump boom hoisting, facilitates operator
Carrying and storage of the member to dredge pump boom hoisting.
The utility model is further arranged to: connector includes " U "-shaped clamping portion and is located at clamping portion closed end
On fixed part, connecting rod protrudes into the open interior of clamping portion and is fixed by bolt and nut component, fixed part and supporting leg
It is fixedly linked, connection is turned round between fixed part and clamping portion.
By using above-mentioned technical proposal, connected by being turned round between fixed part and clamping portion, it can be according to actual peace
Dress situation rotates clamping portion, so that it is guaranteed that connecting rod can smoothly snap onto the inside of clamping portion thus with clamping portion phase
Even.
The utility model is further arranged to: the revolving bed of tubulose, the one end of revolving bed far from supporting leg are fixed on supporting leg
Inner hole is spherical pore, and connecting rod is fixed with the ballhead to match with spherical pore close to one end of revolving bed, and ballhead is installed to
To keep connecting rod and revolving bed spherical surface hinged inside spherical pore, revolving bed is towards offering for connecting on the side wall on supporting leg top
The gap that bar is caught in.
By using above-mentioned technical proposal, by opening up gap, connecting rod is enable to be fitted on supporting leg as far as possible, from
And reduce connecting rod and the occupied space size of supporting leg.
The utility model is further arranged to: is provided on supporting leg when connecting rod is rotated to supporting leg direction, by connecting rod
Fixed elastic opening snap ring.
By using above-mentioned technical proposal, connecting rod is fixed by elastic opening snap ring, avoids carrying blowdown
Connecting rod freely swings when pumping up device for hoisting.
The utility model is further arranged to: connecting rod includes movable joint and the casing that is socketed in outside movable joint, set
The junction of pipe and movable joint is provided with the latch fitting that movable joint is fixed.
By using above-mentioned technical proposal, by the cooperation of casing, movable joint and latch fitting, thus to the length of connecting rod
It is adjusted, so as to which connecting rod is adjusted according to the actual situation, it is ensured that connecting rod can be by adjacent two supporting legs
It is connected, guarantees the structural stability of dredge pump boom hoisting.
The utility model is further arranged to: one end of casing connection movable joint offers at least two one end open at one end
Closed axial notch makes one end of casing connection movable joint form laminated structure identical with breach quantity by notch,
Side of the laminated structure far from movable joint, the outer round surface of casing are provided with thread segment；Latch fitting is the tubulose that inner hole is stepped hole
Structure, outside diameter of the both ends of stepped hole respectively with movable joint and casing match, one end of latch fitting connecting sleeve, at inner hole
Offer the internal screw thread to match with thread segment on casing, side of the internal screw thread far from casing is provided at inner hole cricoid convex
It rises.
By using above-mentioned technical proposal, laminated structure is squeezed by protrusion, embraces laminated structure by movable joint, thus
Prevent movable joint from continuing to be moved in casing, so that quickly movable joint be fixed.
The utility model is further arranged to: raised section is in semi-cylindrical.
By using above-mentioned technical proposal, it is in semi-cylindrical by the section of protrusion, can preferably presses sheet
Structure avoids the case where clamping stagnation occur when it is mobile to laminated structure direction.
The utility model is further arranged to: the free end of rope is fixed with suspension hook.
By using above-mentioned technical proposal, by suspension hook, so as to which quickly rope is connected with dredge pump.
The utility model is further arranged to: rubber sheath is arranged in manual rocking handle.
It by using above-mentioned technical proposal, is protected by rubber sheath, makes operator in rotation manual rocking handle
When, increase the comfort level of operator.
The utility model is further arranged to: axle body both ends of the shaft between opposite support base are fixed with discoid
Baffle, shaft passes through the central point of baffle and is welded and fixed with baffle, offer on the central point of baffle and pass through for shaft
Through-hole.
By using above-mentioned technical proposal, rope is limited by baffle, rope is avoided to snap onto shaft and support
The junction of seat, causes the clamping stagnation of rope.
In conclusion the utility model has the following beneficial effects:
1, when needing to pack up dredge pump boom hoisting, the junction of connecting rod and connector, rotation connection are unclamped
Bar rotates it to supporting leg direction, in turning legs, rotates it to the lower surface direction of mounting base, and dredge pump is played lifting
It sets and is folded, to reduce spatial volume shared by dredge pump boom hoisting, facilitate operator to dredge pump boom hoisting
Carrying and storage；
2, connecting rod is fixed by elastic opening snap ring, avoids connection when carrying dredge pump boom hoisting
Bar freely swings；
3, protrusion presses laminated structure excessively, embraces laminated structure by movable joint, to prevent movable joint from continuing to cover
It is moved in pipe, so that quickly movable joint be fixed；
4, by suspension hook, so as to which quickly rope is connected with dredge pump；
5, rope is limited by baffle, avoids rope from sliding into the junction of shaft and support base, causes rope
Clamping stagnation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of dredge pump boom hoisting；
Fig. 2 is the partial enlarged view at the position A in Fig. 1；
Fig. 3 is the structural schematic diagram under connecting rod and supporting leg collapsed state；
Fig. 4 is the structural schematic diagram of connecting rod；
Fig. 5 is the cross-sectional view of connecting rod.
In figure, 1, mounting base；2, supporting leg；21, revolving bed；211, gap；22, elastic opening snap ring；3, connecting rod；31,
Movable joint；32, casing；321, notch；322, laminated structure；323, thread segment；33, latch fitting；331, stepped hole；332, raised；
333, internal screw thread；34, ballhead；4, connector；41, clamping portion；42, fixed part；5, shaft；51, baffle；52, manual rocking handle；
521, rubber sheath；6, support base；7, rope；71, suspension hook.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to
It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry
The direction at center.
A kind of dredge pump boom hoisting, as shown in Figure 1, including the inner hollow being spliced by four fashioned iron in rectangle
Mounting base 1, be weldingly connected between fashioned iron.In the lower section of mounting base 1, three support mounting bases 1 are provided with, make the mounting base 1 be in
Horizontally disposed supporting leg 2.Be hinged and connected between supporting leg 2 and mounting base 1, three supporting legs 2 be evenly distributed on the surrounding of mounting base 1 from
And mounting base 1 is supported.Between adjacent supporting leg 2, it is provided with the connecting rod 3 that adjacent supporting leg 2 is connected, is connected
One end of bar 3 and wherein 2 spherical surface of supporting leg in adjacent supporting leg 2 are hinged, the other end of connecting rod 3 by connector 4 with
Another supporting leg 2 is connected.Connector 4 is fixedly linked with supporting leg 2, and connecting rod 3 and connector 4 pass through bolt and nut component stationary phase
Even.
In the top of mounting base 1, revolution is connected with the shaft 5 being laterally arranged, and the both ends of shaft 5 pass through opposite branch respectively
6 revolving support of seat is supportted in the upper surface of mounting base 1.It is solid respectively at the both ends of axle body of the shaft 5 between opposite support base 6
Surely there is opposite discoid baffle 51.Shaft 5, which passes through the central point of opposite baffle 51 and is welded and fixed with baffle 51, to be connected,
The through-hole passed through for shaft 5 is offered on the central point of baffle 51.
Between opposite baffle 51, rope 7 flexible is provided on the axle body of shaft 5, the one ends wound of rope 7 is fixed
On the axle body of shaft 5, the other end of rope 7 is free end.The free end of rope 7 passes through the hollow inside of mounting base 1 simultaneously certainly
By sagging.The suspension hook 71 for catching on dredge pump is fixed on the free end of rope 7.
One end of shaft 5 is provided with the manual rocking handle 52 of L shape, manual rocking handle 52 is wherein fixed with shaft 5 on one side
It is connected, another side is set in parallel with shaft 5.Manual rocking handle 52 it is parallel with shaft 5 on one side be shake portion, covered in shake portion
Equipped with rubber sheath 521.
As shown in Figure 1 and Figure 2, the revolving bed 21 of tubulose is welded on supporting leg 2, in revolving bed 21 far from supporting leg 2
One end inner hole is spherical pore.Connecting rod 3 is fixedly connected with ballhead 34, ballhead 34 and ball close to one end end of revolving bed 21
Shape hole matches.Ballhead 34 is fitted into spherical pore, to keep spherical surface between connecting rod 3 and revolving bed 21 hinged.It is turning round
Seat 21 offers the gap 211 being caught in for connecting rod 3 towards the sidewall direction on 2 top of supporting leg, and connecting rod 3 is to 211 direction of gap
When rotation, connecting rod 3 snaps onto the inside of gap 211 and inconsistent with supporting leg 2.
As shown in figure 3, being provided with elastic opening snap ring 22 on supporting leg 2, elastic opening snap ring 22 is fixed on supporting leg 2.
The opening of elastic opening snap ring 22 is towards connecting rod 3, so that connecting rod 3 is extend into when rotating connecting rod 3 to 2 direction of supporting leg
The open interior of elastic opening snap ring 22, to be fixed on the inside of elastic opening snap ring 22.
As shown in Fig. 2, connector 4 include " U "-shaped clamping portion 41 and on 41 closed end of clamping portion in circle
Columnar fixed part 42 turns round connection, phase is welded and fixed between fixed part 42 and supporting leg 2 between fixed part 42 and clamping portion 41
Even.Connecting rod 3 extend into the open interior of clamping portion 41 close to one end of connector 4.On the opposite siding in clamping portion 41 with
And connecting rod 3 protrudes into one end of 41 open interior of clamping portion, offers opposite through hole, bolt and nut component passes through opposite pass through
Perforation is to which connecting rod 3 and connector 4 to be fixedly linked.
As Figure 1 and Figure 4, connecting rod 3 is length-adjustable Telescopic rod structure, including movable joint 31 and is set in shifting
Casing 32 outside dynamic section 31, the one end of middle sleeve 32 far from movable joint 31 and 21 spherical surface of revolving bed are hinged.Movable joint 31 with
Connector 4 is connected.It is fixed between casing 32 and movable joint 31 by latch fitting 33.
Three closed axial notches of the other end open at one end are offered in one end that casing 32 connects movable joint 31
321, by notch 321, so that one end that casing 32 connects movable joint 31 is formed three laminated structures 322 in arc-shaped.
Laminated structure 322 is gradually thinning to one end thickness far from casing 32 from one end of connecting sleeve 32, to make laminated structure 322
Outer surface forms an inclined inclined-plane.In side of the laminated structure 322 far from movable joint 31, the outer round surface of casing is provided with
Thread segment 323.
As shown in Figure 4, Figure 5, latch fitting 33 is the tubular structure that inner hole is stepped hole 331, wherein the both ends of stepped hole 331 point
Outside diameter not with movable joint 31 and casing 32 matches.In one end of 33 connecting sleeve 32 of latch fitting, offered at inner hole with
The internal screw thread that thread segment 323 on casing 32 matches, so that latch fitting 33 is connected with casing 32.In internal screw thread far from casing 32
Side, cricoid raised 332 are provided at inner hole, protrusion 332 is integrally formed with latch fitting 33, and the section of protrusions 332 is in
Semicircle shape.
By rotating latch fitting 33, keep latch fitting 33 mobile to 32 direction of casing, with the movement of latch fitting 33, to make latch fitting 33
Internal protrusion 332 and the laminated structure 322 of 32 end of casing are inconsistent.With the movement of latch fitting 33, protrusion 332 oppresses sheet
Structure 322 is mobile to the surface direction of movable joint 31, holds the surface of movable joint 31 tightly by laminated structure 322, makes movable joint
31 are fixed with the relative position of casing 32.
Latch fitting 33 is gradually reduced from one end of connecting sleeve 32 to one end diameter of connection movable joint 31, forms an inclination
Inclined-plane, thus make between movable joint 31 and latch fitting 33 by inclined inclined-plane carry out transition, avoid latch fitting 33 and movable joint 31
Between outside diameter official post latch fitting 33 and movable joint 31 between form step.
In conclusion when packing up dredge pump boom hoisting, first by the junction of connecting rod 3 and connector 4 pine
It opens, is unclamping latch fitting 33, movable joint 31 is filled in the inside of casing 32, carried out until it cannot fill in, and through latch fitting 33
It locks.It is rotatablely connected bar 3, makes that connecting rod 3 rotates up to connecting rod 3 to the top orientation of supporting leg 2 and supporting leg 2 is inconsistent, and is led to
Elastic opening snap ring 22 is crossed to be fixed.In turning legs 2, supporting leg 2 is turned down to the lower surface direction of mounting base 1, thus will
The folding of dredge pump boom hoisting is packed up, and is reduced dredge pump boom hoisting and is taken up space.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel after reading this specification can item according to the modification for needing to make the present embodiment not creative contribution, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (10)
1. a kind of dredge pump boom hoisting, the mounting base (1) of the rectangle including the inner hollow being spliced by several fashioned iron, institute
It states and is provided at least three supporting legs (2) for being used to support mounting base (1), the upper table of the mounting base (1) below mounting base (1)
Face is provided with shaft (5), and the shaft (5) is connected on mounting base (1) by opposite support base (6) revolution, the shaft
(5) be wound on rope flexible (7), rope (7) one ends wound is fixed on shaft (5), the rope (7) it is another
End is across the hollow inside of mounting base (1) and freely falls, and one end of the shaft (5) is equipped with manual rocking handle (52), special
Sign is: the supporting leg (2) is hinged and connected with mounting base (1), and connecting rod (3), the company are provided between adjacent supporting leg (2)
One end spherical surface of extension bar (3) is hingedly wherein on a supporting leg (2), the other end of the connecting rod (3) by connector (4) with
Another supporting leg (2) is fixedly linked, and the connector (4) is fixed on supporting leg (2), the connecting rod (3) and connector (4) it
Between by bolt and nut component be connected.
2. dredge pump boom hoisting according to claim 1, it is characterised in that: the connector (4) includes " U "-shaped
Clamping portion (41) and the fixed part (42) being located on clamping portion (41) closed end, the connecting rod (3) protrude into clamping portion (41)
Open interior and be fixed by bolt and nut component, the fixed part (42) is fixedly linked with supporting leg (2), the fixation
Connection is turned round between portion (42) and clamping portion (41).
3. dredge pump boom hoisting according to claim 1, it is characterised in that: be fixed with tubulose on the supporting leg (2)
Revolving bed (21), one end inner hole of the revolving bed (21) far from supporting leg (2) is spherical pore, and the connecting rod (3) is close to revolution
One end of seat (21) is fixed with the ballhead (34) to match with spherical pore, the ballhead (34) be installed to inside spherical pore from
And keeping connecting rod (3) and revolving bed (21) spherical surface hinged, the revolving bed (21) is towards offering on the side wall on supporting leg (2) top
The gap (211) being caught in for connecting rod (3).
4. dredge pump boom hoisting according to claim 3, it is characterised in that: be provided on the supporting leg (2) when connection
When bar (3) is rotated to supporting leg (2) direction, by the elastic opening snap ring (22) that connecting rod (3) are fixed.
5. dredge pump boom hoisting according to claim 1, it is characterised in that: the connecting rod (3) includes movable joint
(31) and it is socketed in the external casing (32) of movable joint (31), described sleeve pipe (32) and the junction of movable joint (31) are provided with
The latch fitting (33) that movable joint (31) is fixed.
6. dredge pump boom hoisting according to claim 5, it is characterised in that: described sleeve pipe (32) connects movable joint (31)
One end offer at least two axial notches (321) closed at one end open at one end, casing (32) are made by notch (321)
The one end for connecting movable joint (31) forms laminated structure (322) identical with notch (321) quantity, the laminated structure (322)
Side far from movable joint (31), the outer round surface of casing (32) are provided with thread segment (323)；The latch fitting (33) is for inner hole
The both ends of the tubular structure of stepped hole (331), the stepped hole (331) are straight with the outer circle of movable joint (31) and casing (32) respectively
Diameter matches, one end of latch fitting (33) connecting sleeve (32), offers at inner hole and thread segment (323) phase on casing (32)
Matched internal screw thread (333), side of the internal screw thread (333) far from casing (32), is provided with cricoid protrusion at inner hole
(332)。
7. dredge pump boom hoisting according to claim 6, it is characterised in that: the section of the protrusion (332) is in semicircle
Cylindricality.
8. dredge pump boom hoisting according to claim 1, it is characterised in that: the free end of the rope (7) is fixed with
Suspension hook (71).
9. dredge pump boom hoisting according to claim 1, it is characterised in that: be arranged with rubber on the manual rocking handle (52)
Plastic boot (521).
10. dredge pump boom hoisting according to claim 1, it is characterised in that: the shaft (5) is located at opposite support
Seat (6) between axle body both ends be fixed with discoid baffle (51), the shaft (5) pass through baffle (51) central point and with
Baffle (51) is welded and fixed, and offers the through-hole passed through for shaft (5) on the central point of the baffle (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918662.0U CN208440212U (en) | 2018-06-13 | 2018-06-13 | Dredge pump boom hoisting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820918662.0U CN208440212U (en) | 2018-06-13 | 2018-06-13 | Dredge pump boom hoisting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208440212U true CN208440212U (en) | 2019-01-29 |
Family
ID=65089505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820918662.0U Expired - Fee Related CN208440212U (en) | 2018-06-13 | 2018-06-13 | Dredge pump boom hoisting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208440212U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892824A (en) * | 2019-04-04 | 2019-06-18 | 杨双 | Desk |
-
2018
- 2018-06-13 CN CN201820918662.0U patent/CN208440212U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109892824A (en) * | 2019-04-04 | 2019-06-18 | 杨双 | Desk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190129 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |