CN211665762U - Circular ladder cage of socket joint formula deep basal pit construction - Google Patents
Circular ladder cage of socket joint formula deep basal pit construction Download PDFInfo
- Publication number
- CN211665762U CN211665762U CN201921882288.4U CN201921882288U CN211665762U CN 211665762 U CN211665762 U CN 211665762U CN 201921882288 U CN201921882288 U CN 201921882288U CN 211665762 U CN211665762 U CN 211665762U
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- Prior art keywords
- ladder
- rod
- foundation pit
- ladder cage
- base
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Abstract
The utility model discloses a circular ladder cage of socket joint formula deep basal pit construction, include: the main bearing rod is vertically arranged in the foundation pit in a height adjustable mode; the auxiliary bearing rods are vertically arranged in the foundation pit in a height adjustable mode, all the auxiliary bearing rods are uniformly distributed along the same circumference, the circumferences of the auxiliary bearing rods are coaxially distributed with the main bearing rod, and all the auxiliary bearing rods are connected into a whole through fixing rings; and the stairs are detachably arranged between the main bearing rod and the secondary bearing rod and are spirally distributed from bottom to top. Adopt the utility model discloses a ladder cage is whole to be cylindrical structure, and area is little, and overall structure stability is good, and can dismantle completely to the reuse of ladder cage, thereby improve the utilization ratio of ladder cage.
Description
Technical Field
The utility model relates to a building engineering technical field, in particular to circular ladder cage of socket joint formula deep basal pit construction.
Background
In the deep foundation pit engineering field, because the foundation pit often need be gone up and down in the work, consequently, the ladder cage is the equipment that the staff must need to use. At present, the ladder cage that china's deep basal pit engineering scene adopted all uses horizontal square steel welding, and box ladder cage that vertical square steel bolted connection was set up, and this kind of ladder cage exists following not enough at present: firstly, the welding installation time is long, the quality cannot be guaranteed, the bolt connecting part is easy to have the phenomenon of loose connection or direct lack of bolts, and the integral stability of the whole ladder cage is easy to be insufficient, so that the structural deformation is easy to occur due to external force collision, and safety accidents are caused; secondly, after the construction is finished, the dismantling work of the ladder cage is difficult and takes long time, the dismantled ladder cage is difficult to reuse, and the reutilization rate is low; moreover, the existing ladder cage has large floor area and complex installation, and can not be completely disassembled, thus causing inconvenient transportation.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a circular ladder cage of socket joint formula deep basal pit construction to overcome current ladder cage area big, reuse rate is low and overall structure poor stability's shortcoming.
In order to achieve the above object, the utility model provides a circular ladder cage of socket joint formula deep basal pit construction, include: the main bearing rod is vertically arranged in the foundation pit in a height adjustable mode; the auxiliary bearing rods are vertically arranged in the foundation pit in a height adjustable mode, all the auxiliary bearing rods are uniformly distributed along the same circumference, the circumferences of the auxiliary bearing rods are coaxially distributed with the main bearing rod, and all the auxiliary bearing rods are connected into a whole through fixing rings; and the stairs are detachably arranged between the main bearing rod and the secondary bearing rod and are spirally distributed from bottom to top.
Preferably, among the above-mentioned technical scheme, stair include a plurality of ladder board, every the ladder board is fan-shaped and distributes, and every the ladder board pass through the ladder connecting piece with the mode that can dismantle with main bearing bar and corresponding two inferior bearing bar is connected.
Preferably, among the above-mentioned technical scheme, the ladder connecting piece includes two horizontal pole bolts, every both ends all are provided with connect the hole, every around the ladder board connect the downthehole movable cover of hole to be equipped with one the horizontal pole bolt, main bearing bar is in every the ladder board first through-hole has been seted up to the position that the horizontal pole bolt corresponds, every inferior bearing bar is in every the ladder board the second through-hole has been seted up to the position that the horizontal pole bolt corresponds, every the horizontal pole bolt passes and corresponds first through-hole and corresponding the second through-hole carries out fastening connection through the nut.
Preferably, among the above-mentioned technical scheme, two be provided with the ladder connecting plate between the ladder board, the ladder connecting plate with the one end that the ladder board is connected is provided with the cover and establishes on the horizontal pole bolt connect the through hole.
Preferably, in the above technical solution, the main bearing rod includes a first rod body and a first base, a lower end of the first base is installed on a bottom surface of the foundation pit, and an upper end of the first base is connected with a lower end of the first rod body in a height adjustable manner; the first rod body comprises a plurality of first bearing rod units which are sequentially connected end to end in a detachable mode.
Preferably, in the above technical solution, the secondary bearing rod includes a second rod body and a second base, a lower end of the second base is installed on the bottom surface of the foundation pit, and an upper end of the second base is connected with a lower end of the second rod body in a height adjustable manner; the second body of rod includes a plurality of second bearing bar unit, a plurality of second bearing bar unit connects gradually end to end with the mode that can dismantle.
Preferably, in the above technical solution, a section of first connecting sleeve is arranged at the upper end of the first base, a section of second connecting sleeve capable of being sleeved in the first connecting sleeve is arranged at the lower end of the first rod body, the pipe diameter of the second connecting sleeve is smaller than the diameter of the first rod body, and a height adjusting device is arranged between the first connecting sleeve and the first rod body; the first connecting sleeve is provided with a plurality of third through holes at intervals from bottom to top, the second connecting sleeve is provided with a plurality of fourth through holes corresponding to the third through holes at intervals from bottom to top, and the third through holes and the fourth through holes are communicated with each other selectively through the height adjusting device and are connected through a fixing bolt;
the connecting structure of the second base and the second rod body is the same as the connecting structure of the first base and the first rod body.
Preferably, in the above technical solution, the fixing latch includes: the front end of the pin shaft is provided with a cavity; each locking block is in a 7 shape, the two locking blocks are oppositely distributed at the left and the right and are arranged in the cavity in a manner of being capable of being turned over forwards and backwards, and an elastic mechanism is arranged between each locking block and the pin shaft; when the locking piece is not subjected to external acting force, the elastic mechanism enables the locking piece to be turned forwards and opened; when the external acting force applied to the locking block is larger than the acting force of the elastic mechanism, the locking block can overcome the acting force of the elastic mechanism, turn backwards and is accommodated in the cavity; the elastic annular buckle comprises two semicircular arc-shaped fasteners, the rear ends of the fasteners are connected with the rear end of the pin shaft, the two semicircular arc-shaped fasteners are distributed in a left-right opposite mode through semicircular arc-shaped concave arc surfaces, and the front ends of the two fasteners are provided with lock holes correspondingly connected with the lock blocks.
Preferably, in the above technical solution, the height adjusting device includes at least one height adjusting ring movably sleeved on the first connecting sleeve.
Preferably, in the above technical solution, the upper parts of all the secondary load-bearing bars are provided with a metal mesh.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a whole cylindrical structure that is of ladder cage, area is little, can be applicable to in long and narrow deep basal pit, and the ladder cage main frame includes main bearing bar, a plurality of time bearing bar and stair, inferior bearing bar is installed around main bearing bar, and stair are installed between main bearing bar and a plurality of time bearing bar with the mode that can dismantle, with the overall structure's that improves ladder cage stability, and the dismouting of the ladder cage of being convenient for, so that the reuse of ladder cage, thereby improve the utilization ratio of ladder cage.
2. The utility model discloses a stair include a plurality of ladder board, every ladder board passes through the horizontal pole bolt and is connected with main bearing bar and inferior bearing bar to in the dismouting and the transportation of stair, further improve the utilization ratio of ladder cage.
3. The utility model discloses a first base of main bearing bar and the second base homoenergetic of every time bearing bar are high to the uneven condition in bottom surface of adaptation deep basal pit, strong adaptability.
Drawings
Figure 1 is according to the utility model discloses a three-dimensional structure schematic diagram of the circular ladder cage of socket joint formula deep basal pit construction.
Fig. 2 is a schematic view of the connection structure between the stairs and the main bearing rod and the secondary bearing rod according to the present invention.
Fig. 3 is a schematic structural view of a main bearing bar according to the present invention.
Fig. 4 is a schematic view of a connection structure of the first base and the first rod according to the present invention.
Fig. 5 is a schematic structural view of the fixing plug according to the present invention.
Fig. 6 is a schematic view of the height adjustment ring according to the present invention.
Description of the main reference numerals:
1-step plate, 2-fixed ring, 3-step connecting plate, 4-second base, 5-first base, 6-second rod body, 7-first rod body, 8-metal net, 9-first through hole, 10-cross rod bolt, 11-first bearing rod unit, 12-third connecting sleeve, 13-fourth connecting sleeve, 14-second connecting sleeve, 15-fourth through hole, 16-third through hole, 17-first connecting sleeve, 18-cavity, 19-locking block, 20-locking hole, 21-fastener, 22-pin shaft, 23-height adjusting ring.
Detailed Description
The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited by the following detailed description.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
Fig. 1 to 6 show according to the utility model discloses preferred embodiment's a circular ladder cage of socket joint formula deep basal pit construction's structural schematic diagram, this ladder cage includes main bearing bar, a plurality of time bearing bar and stair. Referring to fig. 1 to 6, a main bearing bar is vertically installed in a foundation pit in a height-adjustable manner; each secondary bearing rod is vertically arranged in the foundation pit in a height adjustable mode, all the secondary bearing rods are uniformly distributed along the same circumference, the circumference of all the secondary bearing rods is coaxially distributed with the main bearing rod, and all the secondary bearing rods are connected into a whole through the fixing ring 2 so as to improve the installation stability of the secondary bearing rods; the stair are installed between main bearing bar and the secondary bearing bar with the mode that can dismantle to the dismouting of stair, and stair are the heliciform from bottom to top and distribute. The height of the bearing rod and the secondary bearing rod of the utility model can be adjusted to be suitable for foundation pits with different depths; the whole cylindrical structure that is of ladder cage, area is little, can be applicable to in long and narrow deep basal pit, and ladder cage main frame includes main bearing bar, a plurality of inferior bearing bar and stair, inferior bearing bar is installed around main bearing bar, and stair are installed between main bearing bar and a plurality of inferior bearing bar with the mode that can dismantle, with the overall structure's that improves ladder cage stability can, and the dismouting of the ladder cage of being convenient for, so that ladder cage's reuse, thereby improve ladder cage's utilization ratio.
Referring to fig. 1 and 2, preferably, the stair include a plurality of ladder board 1, and every ladder board 1 is fan-shaped distribution, and every ladder board 1 is connected with main bearing bar and two secondary bearing bars that correspond with the mode that can dismantle through the ladder connecting piece to the dismouting and the transportation of stair further improve the utilization ratio of ladder cage. Further preferably, the ladder connecting piece includes two horizontal pole bolts 10, the both ends of every horizontal pole bolt 10 are provided with the external screw thread, both ends all are provided with connect the via hole around every ladder board 1, every connect the via hole activity cover and be equipped with a horizontal pole bolt 10, first through-hole 9 has been seted up in the position that every horizontal pole bolt 10 of ladder board 1 corresponds to main bearing bar, every time the bearing bar has seted up the second through-hole in the position that every horizontal pole bolt 10 of ladder board 1 corresponds, every horizontal pole bolt 10 passes corresponding first through-hole 9 and the second through-hole that corresponds and carries out fastening connection through the nut, in order to fix ladder board 1 between main bearing bar and time heavy pole. In order to improve the connection stability of the stepped plates 1, a stepped connecting plate 3 is arranged between the two stepped plates 1, and a connecting through hole which is sleeved on the cross rod bolt 10 is arranged at one end of the stepped connecting plate 3 connected with the stepped plates 1. When stepped plate 1 and ladder connecting plate 3 are installed, firstly stepped plate 1 and ladder connecting plate 3 are placed between main bearing rod and secondary bearing rod, the small end of sectorial stepped plate 1 is made to correspond to main bearing rod, and the connecting through holes in stepped connecting plate 3 are communicated with the connecting through holes in stepped plate 1, a complete connecting through hole is formed, transverse rod bolt 10 is adopted to sequentially break first through hole 9, connecting through holes and second through holes in stepped plate 1 and ladder connecting plate 3, and nuts are respectively adopted at two ends of transverse rod bolt 10 for fastening connection, and stepped plate 1 and ladder connecting plate 3 are fastened and connected between main bearing rod and secondary bearing rod.
Referring to fig. 1 to 3, preferably, the main bearing rod comprises a first rod body 7 and a first base 5, the lower end of the first base 5 is installed on the bottom surface of the foundation pit, and the upper end of the first base is connected with the lower end of the first rod body 7 in a height-adjustable manner so as to adapt to the condition that the bottom surface of the deep foundation pit is uneven, so that the adaptability is high; the first rod body 7 comprises a plurality of first bearing rod units 11, and the first bearing rod units 11 are sequentially connected end to end in a detachable mode. Further preferably, the first rod 7 is hollow and cylindrical, that is, the first bearing rod units 11 are hollow and cylindrical, and the first bearing rod units 11 are connected in a socket-and-spigot manner, that is, a section of third connecting sleeve 12 is arranged at the lower end of each first bearing rod unit 11, and a section of fourth connecting sleeve 13 capable of being sleeved in the third connecting sleeve 12 is arranged at the upper end of each first bearing rod unit 11, wherein the pipe diameter of the third connecting sleeve 12 is smaller than the diameter of the first rod 7; first through holes 9 are formed in the third connecting sleeve 12 and the fourth connecting sleeve 13, after the third connecting sleeve 12 is sleeved into the fourth connecting sleeve 13, the first through holes 9 in the third connecting sleeve 12 are communicated with the first through holes 9 in the fourth connecting sleeve 13, and when the stair is installed, the cross rod bolts 10 sequentially penetrate through the first through holes 9 in the fourth connecting sleeve 13 and the third connecting sleeve 12 and are fastened and connected through nuts.
Referring to fig. 1 and 2, preferably, the secondary bearing rod comprises a second rod body 6 and a second base 4, the lower end of the second base 4 is installed on the bottom surface of the foundation pit, and the upper end of the second base is connected with the lower end of the second rod body 6 in a height-adjustable manner so as to adapt to the condition that the bottom surface of the deep foundation pit is uneven, so that the adaptability is high; the second rod body 6 comprises a plurality of second bearing rod units which are sequentially connected end to end in a detachable mode. Further preferably, the second rod body 6 is a hollow cylinder, that is, the second bearing rod unit is a hollow cylinder, the second bearing rod units are connected in a socket-and-spigot manner, that is, a section of fifth connection sleeve is arranged at the lower end of each second bearing rod unit, a section of sixth connection sleeve capable of being sleeved in the fifth connection sleeve is arranged at the upper end of each second bearing rod unit, the pipe diameter of the fifth connection sleeve is smaller than that of the second rod body 6, connection holes are formed in the fifth connection sleeve and the sixth connection sleeve, and after the fifth connection sleeve is sleeved in the sixth connection sleeve, the connection holes in the fifth connection sleeve are communicated with the connection holes in the sixth connection sleeve and are fastened and connected through bolts.
Referring to fig. 4 to 6, preferably, a section of first connection sleeve 17 is disposed at the upper end of the first base 5, a section of second connection sleeve 14 capable of being sleeved in the first connection sleeve 17 is disposed at the lower end of the first rod 7, the diameter of the second connection sleeve 14 is smaller than the diameter of the first rod 7, and a height adjustment device is disposed between the first connection sleeve 17 and the first rod 7; the first connecting sleeve 17 is provided with a plurality of third through holes 16 at intervals from bottom to top, the second connecting sleeve 14 is provided with a plurality of fourth through holes 15 corresponding to the third through holes 16 at intervals from bottom to top, the corresponding third through holes 16 and the corresponding fourth through holes 15 are selectively communicated through a height adjusting device, and then the height of the first base 5 is adjusted and the first base is connected through a fixing bolt. The connecting structure of the second base 4 and the second rod body 6 is the same as the connecting structure of the first base 5 and the second rod body 6. Further preferably, the height adjusting means comprises at least one height adjusting ring 23 movably fitted on the second coupling sleeve 14, and the height of the base is adjusted by increasing and decreasing the number of the height adjusting rings 23.
Referring to fig. 4, the fixing latch preferably comprises a pin 22, two locking blocks 19 and a resilient annular buckle; the front end of the pin shaft 22 is provided with a cavity 18; each locking block 19 is in a 7 shape, the two locking blocks 19 are oppositely distributed at the left and the right and are arranged in the cavity 18 in a manner of being capable of being turned over forwards and backwards, and an elastic mechanism is arranged between each locking block 19 and the pin shaft 22; when the locking piece 19 is not subjected to external acting force, the elastic mechanism enables the locking piece 19 to be turned forwards and opened; when the external acting force on the locking block 19 is larger than the acting force of the elastic mechanism, the locking block 19 can overcome the acting force of the elastic mechanism to turn backwards and is accommodated in the cavity 18; the elastic annular buckle comprises two semicircular arc-shaped fasteners 21, the rear ends of the two fasteners 21 are connected with the rear end of the pin shaft 22, the two fasteners 21 are distributed in a manner that the semicircular arc-shaped concave arc surfaces are opposite left and right, and the front ends of the two fasteners 21 are provided with lock holes 20 correspondingly connected with the lock blocks 19. When the fixing device is used, the pin shaft 22 penetrates into the third through hole 16 and the fourth through hole 15 on the base and the rod body, at the moment, the locking block 19 can be contracted into the cavity 18, after the locking block passes through the through holes, the locking block 19 is restored to the original position under the action of the elastic mechanism, and then the locking block 19 and the locking hole 20 on the fastener 21 are locked with each other, so that the base and the rod body are locked, and the fixing effect is achieved.
Referring to fig. 1, preferably, the upper parts of all the secondary load-bearing bars are provided with a metal net 8 to improve the safety performance of the ladder cage, i.e. the lower parts of all the secondary load-bearing bars are not provided with the metal net 8 and can be freely accessed by workers 360 degrees.
Adopt the utility model discloses a ladder cage is whole to be cylindrical structure, and stability can be good, and area is little, can be applicable to long and narrow deep basal pit, and the installation of ladder cage all does not adopt welding process, the dismouting of the ladder cage of being convenient for to the reuse of ladder cage, thereby improve the utilization ratio of ladder cage.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (10)
1. The utility model provides a circular ladder cage of socket joint formula deep basal pit construction which characterized in that includes:
the main bearing rod is vertically arranged in the foundation pit in a height adjustable mode;
the auxiliary bearing rods are vertically arranged in the foundation pit in a height adjustable mode, all the auxiliary bearing rods are uniformly distributed along the same circumference, the circumferences of the auxiliary bearing rods are coaxially distributed with the main bearing rod, and all the auxiliary bearing rods are connected into a whole through fixing rings; and
the stair is installed between the main bearing rod and the secondary bearing rod in a detachable mode, and the stair is spirally distributed from bottom to top.
2. The socket type circular ladder cage for deep foundation pit construction of claim 1, wherein the stairs comprise a plurality of ladder plates, each of which is distributed like a sector and is connected with the main bearing rod and the corresponding two sub bearing rods in a detachable manner through ladder connecting pieces.
3. The socket joint formula deep basal pit construction circular ladder cage of claim 2, characterized in that, the ladder connecting piece includes two horizontal pole bolts, each both ends all are provided with connect the via hole around the ladder board, each connect the via hole activity cover to be equipped with one the horizontal pole bolt, main bearing bar in every the ladder board the first through-hole has been seted up to the position that the horizontal pole bolt corresponds, every inferior bearing bar in every the ladder board the second through-hole has been seted up to the position that the horizontal pole bolt corresponds, every the horizontal pole bolt passes corresponding first through-hole with correspond the second through-hole carries out fastening connection through the nut.
4. The socket type circular ladder cage for deep foundation pit construction according to claim 3, wherein a ladder connecting plate is arranged between two ladder plates, and the end of the ladder connecting plate connected with the ladder plates is provided with the connecting through hole sleeved on the cross rod bolt.
5. The socket type deep foundation pit construction circular ladder cage of claim 1, wherein the main bearing rod comprises a first rod body and a first base, the lower end of the first base is mounted on the bottom surface of the foundation pit, and the upper end of the first base is connected with the lower end of the first rod body in a height adjustable manner; the first rod body comprises a plurality of first bearing rod units which are sequentially connected end to end in a detachable mode.
6. The socket type circular ladder cage for deep foundation pit construction according to claim 5, wherein the secondary bearing rod comprises a second rod body and a second base, the lower end of the second base is mounted on the bottom surface of the foundation pit, and the upper end of the second base is connected with the lower end of the second rod body in a height adjustable manner; the second body of rod includes a plurality of second bearing bar unit, a plurality of second bearing bar unit connects gradually end to end with the mode that can dismantle.
7. The socket type circular ladder cage for deep foundation pit construction according to claim 6, wherein a section of first connecting sleeve is arranged at the upper end of the first base, a section of second connecting sleeve capable of being sleeved in the first connecting sleeve is arranged at the lower end of the first rod body, the diameter of the second connecting sleeve is smaller than that of the first rod body, and a height adjusting device is arranged between the first connecting sleeve and the first rod body; the first connecting sleeve is provided with a plurality of third through holes at intervals from bottom to top, the second connecting sleeve is provided with a plurality of fourth through holes corresponding to the third through holes at intervals from bottom to top, and the third through holes and the fourth through holes are communicated with each other selectively through the height adjusting device and are connected through a fixing bolt;
the connecting structure of the second base and the second rod body is the same as the connecting structure of the first base and the first rod body.
8. The socket type circular ladder cage for deep foundation pit construction of claim 7, wherein the fixing bolt comprises:
the front end of the pin shaft is provided with a cavity;
each locking block is in a 7 shape, the two locking blocks are oppositely distributed at the left and the right and are arranged in the cavity in a manner of being capable of being turned over forwards and backwards, and an elastic mechanism is arranged between each locking block and the pin shaft; when the locking piece is not subjected to external acting force, the elastic mechanism enables the locking piece to be turned forwards and opened; when the external acting force applied to the locking block is larger than the acting force of the elastic mechanism, the locking block can overcome the acting force of the elastic mechanism, turn backwards and is accommodated in the cavity; and
the elastic annular buckle comprises two semicircular arc-shaped fasteners, the rear ends of the fasteners are connected with the rear end of the pin shaft, the two semicircular arc-shaped fasteners are distributed in a left-right opposite mode through semicircular arc-shaped concave arc surfaces, and the front ends of the two fasteners are provided with lock holes correspondingly connected with the lock blocks.
9. The socket type deep foundation pit construction circular ladder cage of claim 7, wherein the height adjusting device comprises at least one height adjusting ring movably sleeved on the first connecting sleeve.
10. The socket type deep foundation pit construction circular ladder cage of claim 1, wherein the upper part of all the secondary load-bearing bars is provided with a metal net.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921882288.4U CN211665762U (en) | 2019-11-04 | 2019-11-04 | Circular ladder cage of socket joint formula deep basal pit construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921882288.4U CN211665762U (en) | 2019-11-04 | 2019-11-04 | Circular ladder cage of socket joint formula deep basal pit construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211665762U true CN211665762U (en) | 2020-10-13 |
Family
ID=72730125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921882288.4U Expired - Fee Related CN211665762U (en) | 2019-11-04 | 2019-11-04 | Circular ladder cage of socket joint formula deep basal pit construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211665762U (en) |
-
2019
- 2019-11-04 CN CN201921882288.4U patent/CN211665762U/en not_active Expired - Fee Related
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Legal Events
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Meng Guowang Inventor after: Wu Yufang Inventor after: Huang Zonghui Inventor after: Huang Jinsong Inventor after: Wu Bo Inventor after: Xu Jie Inventor after: Wei Han Inventor after: Nong Zhongjian Inventor after: Suo Xiao Inventor after: Li Jin Inventor after: Zhang Ziyi Inventor before: Wu Bo Inventor before: Wu Yufang Inventor before: Huang Zonghui Inventor before: Huang Jinsong Inventor before: Meng Guowang Inventor before: Xu Jie Inventor before: Wei Han Inventor before: Nong Zhongjian Inventor before: Suo Xiao Inventor before: Li Jin Inventor before: Zhang Ziyi |
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| CB03 | Change of inventor or designer information | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201013 Termination date: 20211104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |