CN210580317U - Trees protective cradle for afforestation - Google Patents
Trees protective cradle for afforestation Download PDFInfo
- Publication number
- CN210580317U CN210580317U CN201921378787.XU CN201921378787U CN210580317U CN 210580317 U CN210580317 U CN 210580317U CN 201921378787 U CN201921378787 U CN 201921378787U CN 210580317 U CN210580317 U CN 210580317U
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- wall
- welded
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Abstract
The utility model provides a tree protection bracket for landscaping, which comprises a sleeve plate, a rubber pad, a first assembly steel plate, a second assembly steel plate, an adjusting rectangular steel plate, a steel rod strut, a plug, an additional protection bracket structure, an auxiliary assembly and disassembly fixing bracket structure, an extension reinforcing bracket structure, a long hole, an adjusting long plate, an adjusting bolt, an adjusting seat and a reinforcing steel plate, wherein the rubber pad is glued on the inner wall of the sleeve plate; the first assembly steel plate is welded on the outer side of the outer wall of the sleeve plate; the second assembly steel plate is welded on the inner side of the outer wall of the sleeve plate; the adjusting rectangular steel plate is welded in the middle of the outer wall of the sleeve plate; the upper end of the steel rod strut is connected with an adjusting rectangular steel plate bolt and nut; the plug-in connector is welded at the lower end of the steel rod support. The utility model has the advantages that: through the arrangement of the protective barrel frame structure, the tree protection sleeve is convenient to protect the upper portion of the tree, and then the protection effect is improved.
Description
Technical Field
The utility model belongs to the technical field of afforestation, especially, relate to a trees protective cradle for afforestation.
Background
After the big tree is transplanted, a pillar is usually needed to be arranged to avoid that the big tree is blown and scraped by strong wind to cause the trunk to swing and loosen, so that the root system can not grow well, a cavity is formed around the base part of the trunk, the root system and the overground part can be influenced by accumulated water in the cavity around the trunk when in rain, meanwhile, the root system is shallow and the distribution area is small after the big tree is transplanted, the tree body can be prevented from lodging due to uneven stress after the pillar is erected, the erection of the pillar is generally basically finished in the planting operation and watered before, the wind direction of the point of the big tree needs to be considered when the pillar is erected, the downwind direction of the planting point is generally selected emphatically at the supporting position, the pillar material needs to be selected according to the tree species and the tree specification, and the pillar is.
However, the existing tree protection bracket also has the problems that the protection effect of the device is poor, the protection mode is single, and the structure for assisting in mounting and protecting is inconvenient and the auxiliary reinforcement is inconvenient.
Therefore, the invention of the tree protection bracket for landscaping is very necessary.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a trees protective cradle for afforestation to solve the relatively poor and single, inconvenient structure of assisting the installation protection of protection mode and the inconvenient problem of assisting the reinforcement of current trees protective cradle the device. A tree protection bracket for landscaping comprises a sleeve plate, a rubber pad, a first assembly steel plate, a second assembly steel plate, an adjusting rectangular steel plate, a steel rod strut, a plug-in connector, a protection cylinder frame structure, an auxiliary assembly and disassembly fixing frame structure, an extension reinforcing frame structure, a long hole, an adjusting long plate, an adjusting bolt, an adjusting seat and a reinforcing steel plate, wherein the rubber pad is glued on the inner wall of the sleeve plate; the first assembly steel plate is welded on the outer side of the outer wall of the sleeve plate; the second assembly steel plate is welded on the inner side of the outer wall of the sleeve plate; the adjusting rectangular steel plate is welded in the middle of the outer wall of the sleeve plate; the upper end of the steel rod strut is connected with an adjusting rectangular steel plate bolt and nut; the plug connector is welded at the lower end of the steel rod support; the protective cylinder frame structure is arranged on the outer wall of the steel rod support; the auxiliary dismounting fixing frame structure is arranged between the protective cylinder frame structure and the steel rod strut; the extension reinforcing frame structure is arranged on the outer wall of the steel rod strut; the long hole is formed in the lower side of the inner part of the steel rod strut; the adjusting bolt penetrates through the long hole, is in threaded connection with the upper part of the adjusting long plate and is fixed through a nut; the adjusting seat is welded on the inner side of the upper surface of the reinforced steel plate, and the bolt and the nut are fixed at the lower end of the adjusting long plate; the protection-added barrel frame structure comprises a lower fixing plate frame, a vertical rod, a lifting ring, a positioning bolt, an upper fixing plate frame and a sleeve barrel, wherein the lower fixing plate frame is sleeved on the lower part of the outer wall of the steel rod pillar; the vertical rods are respectively welded at the left side and the right side of the upper end of the lower fixing plate frame; the lifting ring is sleeved on the outer wall of the vertical rod; the positioning bolt is in threaded connection with the lifting ring; the upper fixing plate frame is welded between the lifting ring and the lifting ring; one end of the sleeve joint cylinder is connected to the upper surface of the lower fixing plate frame in a gluing mode, and the other end of the sleeve joint cylinder is connected to the lower portion of the upper fixing plate frame in a gluing mode.
Preferably, the auxiliary dismounting fixing frame structure comprises an auxiliary long plate, an adjusting hole, a right sleeving connection plate, a first assembling piece, a second assembling piece and a left sleeving connection plate, wherein the auxiliary long plate is welded on the front part and the rear part of the left side and the right side of the inner wall of the lower fixing plate frame respectively; the adjusting hole is formed in the middle of the inner part of the auxiliary long plate; the first assembling pieces are respectively welded on the left sides of the front part and the rear part of the right sleeving connection plate; the second assembling pieces are respectively welded on the right sides of the front part and the rear part of the left sleeve plate; the first assembling piece and the second assembling piece are mutually connected through bolts and nuts.
Preferably, the extension reinforcing frame structure comprises an adjusting sleeve, extension rods, fastening bolts, an assembling plate, a movable ring and fixing bolts, wherein the extension rods are respectively inserted at the left side and the right side of the adjusting sleeve; the fastening bolts are respectively in threaded connection with the left side and the right side of the adjusting sleeve; the assembling plate is welded on the inner wall of the movable ring; the fixed bolt is in threaded connection with the inner part of the movable ring.
Preferably, the sleeve joint cylinder is a PVC plastic cylinder, and an opening of one centimeter to three centimeters is formed in the longitudinal middle part of the rear part of the sleeve joint cylinder.
Preferably, lower fixed grillage and last fixed grillage set up to the C type respectively, lower fixed grillage and last fixed grillage between install the socket joint section of thick bamboo.
Preferably, the lifting ring is sleeved on the outer wall of the vertical rod, the outer wall of the vertical rod is provided with straight anti-slip lines, and the lifting ring is fixed through a positioning bolt.
Preferably, the right socket plate and the left socket plate are respectively arc-shaped and are sleeved on the outer wall of the steel rod strut.
Preferably, the middle part inside the auxiliary long plate is provided with an adjusting hole.
Preferably, the inner walls of the right socket plate and the left socket plate are respectively provided with straight anti-slip lines.
Preferably, the adjusting sleeve is matched with the extension rod and is fixed by a fastening bolt.
Preferably, the movable ring is sleeved on the outer wall of the steel rod strut and is fixed through a fixing bolt.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses in, a cup joint a section of thick bamboo specifically adopt a PVC plastics section of thick bamboo, the vertical middle part in a cup joint section of thick bamboo rear portion set up the opening of a centimetre to three centimetres, be convenient for the cover protects on the upper portion of trees, and then has increased the effect of protection.
2. The utility model discloses in, lower fixed grillage and last fixed grillage set up to the C type respectively, lower fixed grillage and last fixed grillage between install and cup joint a section of thick bamboo, more reasonable dismouting and use of carrying on.
3. The utility model discloses in, lift ring cup joint on the outer wall of vertical pole, the vertical pole outer wall on be provided with a word antiskid line, the lift ring fix through positioning bolt, fixed grillage oscilaltion in the convenient drive, and drive thereupon and cup joint a section of thick bamboo and reach suitable height and use.
4. The utility model discloses in, right side socket plate and left side socket plate set up to the arc respectively to cup joint on the outer wall of steel pole pillar, the supplementary rectangular slab of cooperation can make down the work that fixed grillage installed or dismantled.
5. The utility model discloses in, the inside middle part of supplementary rectangular slab seted up the regulation hole, when the installation was used, can make right cover fishplate bar and left cover fishplate bar along with it and cup joint the board and move back-and-forth movement and tilt up and install on supplementary rectangular slab, and then be convenient for adjust and carry out the work of installation.
6. The utility model discloses in, right side socket plate and left side socket plate inner wall on be provided with a word anti-skidding line respectively, and then in the installation, increased skid-proof effect.
7. The utility model discloses in, adjusting sleeve and extension rod looks adaptation to fix through fastening bolt, during the use, can cooperate the steel pole pillar of different positions thereupon to install and fixed work.
8. The utility model discloses in, the activity ring cup joint on the outer wall of steel pole pillar to fix through fixing bolt, can reciprocate thereupon and adjust the work of installation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the protection frame structure of the present invention.
Fig. 3 is a schematic structural view of the auxiliary detachable fixing frame structure of the present invention.
Fig. 4 is a schematic structural diagram of the extended reinforcing frame structure of the present invention.
In the figure:
1. sheathing; 2. a rubber pad; 3. a first assembled steel plate; 4. a second assembled steel plate; 5. adjusting the rectangular steel plate; 6. a steel pole support; 7. a plug-in connector; 8. a protective cylinder frame structure is added; 81. a lower fixing plate frame; 82. a vertical rod; 83. a lifting ring; 84. positioning the bolt; 85. an upper fixing plate frame; 86. sleeving a sleeve; 9. the structure of the fixing frame is assembled and disassembled in an auxiliary way; 91. an auxiliary long plate; 92. an adjustment hole; 93. a right socket plate; 94. a first assembly sheet; 95. a second assembly sheet; 96. a left socket plate; 10. extending the reinforcing frame structure; 101. adjusting the sleeve; 102. an extension rod; 103. fastening a bolt; 104. assembling a plate; 105. a movable ring; 106. fixing the bolt; 11. a long hole; 12. adjusting the long plate; 13. adjusting the bolt; 14. an adjusting seat; 15. and (5) reinforcing the steel plate.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example (b):
as shown in fig. 1 and fig. 2, a tree protection bracket for landscaping comprises a sleeve plate 1, a rubber pad 2, a first assembly steel plate 3, a second assembly steel plate 4, an adjustment rectangular steel plate 5, a steel rod support 6, a plug connector 7, a protection cylinder frame structure 8, an auxiliary disassembly and assembly fixing frame structure 9, an extension reinforcing frame structure 10, a long hole 11, an adjustment long plate 12, an adjustment bolt 13, an adjustment seat 14 and a reinforcing steel plate 15, wherein the rubber pad 2 is glued on the inner wall of the sleeve plate 1; the first assembly steel plate 3 is welded on the outer side of the outer wall of the sleeve plate 1; the second assembly steel plate 4 is welded on the inner side of the outer wall of the sleeve plate 1; the adjusting rectangular steel plate 5 is welded in the middle of the outer wall of the sleeve plate 1; the upper end of the steel rod strut 6 is connected with an adjusting rectangular steel plate 5 through bolts and nuts; the plug 7 is welded at the lower end of the steel rod support 6; the protective cylinder frame structure 8 is arranged on the outer wall of the steel rod support 6; the auxiliary dismounting fixing frame structure 9 is arranged between the protective cylinder frame structure 8 and the steel rod strut 6; the extension reinforcing frame structure 10 is arranged on the outer wall of the steel rod strut 6; the long hole 11 is arranged at the lower side inside the steel rod strut 6; the adjusting bolt 13 passes through the long hole 11, is in threaded connection with the upper part of the adjusting long plate 12 and is fixed by a nut; the adjusting seat 14 is welded on the inner side of the upper surface of the reinforced steel plate 15, and is fixed at the lower end of the adjusting long plate 12 through bolts and nuts; the protection-added barrel frame structure 8 comprises a lower fixing plate frame 81, a vertical rod 82, a lifting ring 83, a positioning bolt 84, an upper fixing plate frame 85 and a sleeve barrel 86, wherein the lower fixing plate frame 81 is sleeved on the lower part of the outer wall of the steel rod strut 6; the vertical rods 82 are respectively welded at the left side and the right side of the upper end of the lower fixing plate frame 81; the lifting ring 83 is sleeved on the outer wall of the vertical rod 82; the positioning bolt 84 is in threaded connection with the lifting ring 83; the upper fixing plate frame 85 is welded between the lifting ring 83 and the lifting ring 83; one end of the sleeve joint tube 86 is connected to the upper surface of the lower fixing plate frame 81 in a glued manner, and the other end of the sleeve joint tube is connected to the lower portion of the upper fixing plate frame 85 in a glued manner.
As shown in fig. 3, in the above embodiment, specifically, the auxiliary detachable fixing frame structure 9 includes an auxiliary long plate 91, an adjusting hole 92, a right sleeving plate 93, a first assembling piece 94, a second assembling piece 95 and a left sleeving plate 96, where the auxiliary long plate 91 is welded to the front and rear portions of the left and right sides of the inner wall of the lower fixing plate frame 81 respectively; the adjusting hole 92 is arranged in the middle part inside the auxiliary long plate 91; the first assembling pieces 94 are respectively welded on the left sides of the front and the rear parts of the right sleeving and connecting plate 93; the second assembling pieces 95 are respectively welded on the right sides of the front and the rear parts of the left sleeving and connecting plate 96; the first assembling piece 94 and the second assembling piece 95 are mutually connected by bolts and nuts.
As shown in fig. 4, in the above embodiment, specifically, the extending reinforcing frame structure 10 includes an adjusting sleeve 101, an extending rod 102, a fastening bolt 103, an assembling plate 104, a movable ring 105 and a fixing bolt 106, where the extending rod 102 is respectively inserted into the left and right sides of the adjusting sleeve 101; the fastening bolts 103 are respectively in threaded connection with the left side and the right side of the adjusting sleeve 101; the assembling plate 104 is welded on the inner wall of the movable ring 105; the fixing bolt 106 is screwed inside the movable ring 105.
In the above embodiment, specifically, the sleeve joint cylinder 86 specifically adopts a PVC plastic cylinder, and an opening of one centimeter to three centimeters is formed in the longitudinal middle part of the rear part of the sleeve joint cylinder 86, so that the sleeve joint cylinder is conveniently sleeved on the upper part of a tree for protection, and further the protection effect is increased.
In the above embodiment, it is specific that lower fixed grillage 81 and last fixed grillage 85 set up to the C type respectively, lower fixed grillage 81 and last fixed grillage 85 between install socket 86, more reasonable dismouting and use of carrying on.
In the above embodiment, specifically, the lifting ring 83 is sleeved on the outer wall of the vertical rod 82, the outer wall of the vertical rod 82 is provided with the straight anti-slip lines, the lifting ring 83 is fixed by the positioning bolts 84, the fixing plate frame 85 is conveniently driven to lift up and down, and the sleeve cylinder 86 is driven to reach a proper height for use.
In the above embodiment, it is specific that the right sleeve plate 93 and the left sleeve plate 96 are respectively set to be arc-shaped, and are sleeved on the outer wall of the steel pole support 6, and the long plate 91 is assisted in cooperation, so that the lower fixing plate frame 81 can be installed or detached.
In the above embodiment, specifically, the middle portion inside the auxiliary long plate 91 is provided with the adjusting hole 92, and when the auxiliary long plate is installed and used, the right socket plate 93 and the left socket plate 96 can be moved back and forth and inclined up and down on the auxiliary long plate 91 to be installed, so that the adjustment and installation work is facilitated.
In the above embodiment, specifically, the inner walls of the right socket plate 93 and the left socket plate 96 are respectively provided with a straight anti-slip line, so that in the installation process, an anti-slip effect is increased.
In the above embodiment, specifically, the adjusting sleeve 101 and the extension rod 102 are adapted and fixed by the fastening bolt 103, and when in use, the adjusting sleeve can be matched with the steel rod support 6 at different positions for installation and fixation.
In the above embodiment, specifically, the movable ring 105 is sleeved on the outer wall of the steel pole support 6 and fixed by the fixing bolt 106, and can move up and down along with the outer wall of the steel pole support and perform adjustment and installation.
Principle of operation
The utility model discloses a theory of operation: during installation, the sleeve plate 1 and the rubber pad 2 are respectively sleeved on a tree pole, then bolts and nuts are respectively arranged in the first assembly steel plate 3 and the second assembly steel plate 4 for fixation, after fixation, the steel pole support 6 is inserted into soil, the upper end of the steel pole support is contacted with the adjusting rectangular steel plate 5, then the bolts and the nuts are fixed again, after preliminary fixation, the adjusting long plate 12 is adjusted up and down and inclined to reach a proper angle, the reinforcing steel plate 15 is also inclined again to reach a proper angle, after adjustment, the adjusting bolts 13 and the bolts at the rear part and the bolts and the nuts on the adjusting seat 14 are respectively screwed, so that the reinforcing steel plate 15 can be close to the ground and the bolts are fixed, after preliminary installation is completed, the up-and-down moving movable ring 105 reaches a proper position on the steel pole support 6, meanwhile, the adjusting sleeve 101 and the extending pole 102 reach a proper length, and finally the fixing bolts 106 and the fastening bolts 103 are respectively screwed for fixation, can support trees and protect like this, in the use, when needing to increase the effect of protection, will fix grillage 81 cover in the outside of steel pole pillar 6 down, later cup joint board 93 and the left side and cup joint board 96 cover on supplementary long board 91 and steel pole pillar 6, later fix with bolt and nut respectively, can cooperate down the installation of fixing grillage 81, after having installed, upward move goes up fixed grillage 85 and drives socket 86 and reachs suitable height, can cover the upper portion of trees with socket 86 like this, it can fix to tighten positioning bolt 84 on the lifting ring 83 at last, when using, can carry out the work of protecting through socket 86 to the upper end of trees.
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 tree protection support for the garden greening is characterized by comprising a sleeve plate (1), a rubber pad (2), a first assembling steel plate (3), a second assembling steel plate (4), an adjusting rectangular steel plate (5), a steel rod pillar (6), a plug-in connector (7), an additional protecting barrel frame structure (8), an auxiliary disassembling and assembling fixing frame structure (9), an extending reinforcing frame structure (10), a long hole (11), an adjusting long plate (12), an adjusting bolt (13), an adjusting seat (14) and a reinforcing steel plate (15), wherein the rubber pad (2) is glued to the inner wall of the sleeve plate (1); the first assembly steel plate (3) is welded on the outer side of the outer wall of the sleeve plate (1); the second assembly steel plate (4) is welded on the inner side of the outer wall of the sleeve plate (1); the adjusting rectangular steel plate (5) is welded in the middle of the outer wall of the sleeve plate (1); the upper end of the steel rod strut (6) is connected with an adjusting rectangular steel plate (5) through bolts and nuts; the plug-in connector (7) is welded at the lower end of the steel rod support (6); the protective cylinder frame structure (8) is arranged on the outer wall of the steel rod support post (6); the auxiliary dismounting fixing frame structure (9) is arranged between the protective cylinder frame structure (8) and the steel rod strut (6); the extension reinforcing frame structure (10) is arranged on the outer wall of the steel rod strut (6); the long hole (11) is arranged at the lower side in the steel rod strut (6); the adjusting bolt (13) penetrates through the long hole (11), is in threaded connection with the upper part of the adjusting long plate (12), and is fixed through a nut; the adjusting seat (14) is welded on the inner side of the upper surface of the reinforced steel plate (15), and is fixed at the lower end of the adjusting long plate (12) through bolts and nuts; the protective barrel frame structure (8) comprises a lower fixing plate frame (81), a vertical rod (82), a lifting ring (83), a positioning bolt (84), an upper fixing plate frame (85) and a sleeve barrel (86), wherein the lower fixing plate frame (81) is sleeved on the lower part of the outer wall of the steel rod strut (6); the vertical rods (82) are respectively welded at the left side and the right side of the upper end of the lower fixing plate frame (81); the lifting ring (83) is sleeved on the outer wall of the vertical rod (82); the positioning bolt (84) is in threaded connection with the lifting ring (83); the upper fixing plate frame (85) is welded between the lifting ring (83) and the lifting ring (83); one end of the sleeve joint cylinder (86) is connected to the upper surface of the lower fixing plate frame (81) in a glued mode, and the other end of the sleeve joint cylinder is connected to the lower portion of the upper fixing plate frame (85) in a glued mode.
2. The tree protecting bracket for landscaping as claimed in claim 1, wherein the auxiliary detachable fixing frame structure (9) comprises an auxiliary long plate (91), an adjusting hole (92), a right sheathing plate (93), a first assembling plate (94), a second assembling plate (95) and a left sheathing plate (96), the auxiliary long plate (91) is welded to the front and rear parts of the left and right sides of the inner wall of the lower fixing plate frame (81) respectively; the adjusting hole (92) is formed in the middle part inside the auxiliary long plate (91); the first assembling pieces (94) are respectively welded on the left sides of the front part and the rear part of the right sleeving connection plate (93); the second assembling pieces (95) are respectively welded on the right sides of the front part and the rear part of the left sleeving connection plate (96); the first assembling piece (94) and the second assembling piece (95) are mutually connected by bolts and nuts.
3. The tree protection bracket for landscaping according to claim 1, wherein the extension reinforcement frame structure (10) comprises an adjusting sleeve (101), extension rods (102), fastening bolts (103), an assembling plate (104), a movable ring (105) and a fixing bolt (106), the extension rods (102) are respectively inserted on the left and right sides of the adjusting sleeve (101); the fastening bolts (103) are respectively in threaded connection with the left side and the right side of the adjusting sleeve (101); the assembling plate (104) is welded on the inner wall of the movable ring (105); the fixed bolt (106) is in threaded connection with the inner part of the movable ring (105).
4. A tree protecting support for landscaping as defined in claim 1, wherein the sleeve (86) is a PVC plastic tube, and an opening of one cm to three cm is formed at the longitudinal middle part of the rear part of the sleeve (86).
5. A tree protecting stand for landscaping, as recited in claim 1, wherein said lower fixing plate frame (81) and upper fixing plate frame (85) are respectively configured as C-type, and a sleeve barrel (86) is installed between said lower fixing plate frame (81) and upper fixing plate frame (85).
6. A tree protecting support for landscaping, as claimed in claim 1, wherein the lifting ring (83) is sleeved on the outer wall of the vertical rod (82), the outer wall of the vertical rod (82) is provided with a linear anti-slip pattern, and the lifting ring (83) is fixed by a positioning bolt (84).
7. A tree protecting bracket for landscaping, as recited in claim 2, wherein said right hitching plate (93) and left hitching plate (96) are respectively configured in an arc shape and hitched on the outer wall of the steel pole support (6).
8. A tree protecting bracket for landscaping as defined in claim 2, wherein the auxiliary long plate (91) has an adjusting hole (92) formed at its middle portion.
9. A tree protecting bracket for landscaping as defined in claim 3, wherein the adjusting sleeve (101) is fitted with the extension rod (102) and fixed by a fastening bolt (103).
10. A tree protecting bracket for landscaping as defined in claim 2, wherein the movable ring (105) is sleeved on the outer wall of the steel pole support (6) and fixed by a fixing bolt (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378787.XU CN210580317U (en) | 2019-08-23 | 2019-08-23 | Trees protective cradle for afforestation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921378787.XU CN210580317U (en) | 2019-08-23 | 2019-08-23 | Trees protective cradle for afforestation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210580317U true CN210580317U (en) | 2020-05-22 |
Family
ID=70712073
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921378787.XU Expired - Fee Related CN210580317U (en) | 2019-08-23 | 2019-08-23 | Trees protective cradle for afforestation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210580317U (en) |
-
2019
- 2019-08-23 CN CN201921378787.XU patent/CN210580317U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200522 |