CN220578687U - Hoisting ring for hoisting prefabricated wall components - Google Patents
Hoisting ring for hoisting prefabricated wall components Download PDFInfo
- Publication number
- CN220578687U CN220578687U CN202321985682.7U CN202321985682U CN220578687U CN 220578687 U CN220578687 U CN 220578687U CN 202321985682 U CN202321985682 U CN 202321985682U CN 220578687 U CN220578687 U CN 220578687U
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- prefabricated wall
- lifting
- vertical section
- lifting ring
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- 230000007704 transition Effects 0.000 claims description 12
- 210000003205 muscle Anatomy 0.000 claims 3
- 230000002787 reinforcement Effects 0.000 abstract description 18
- 238000010276 construction Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 description 13
- 239000004567 concrete Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The utility model discloses a hanging ring for hanging prefabricated wall components, which relates to the technical field of hanging of prefabricated wall components. According to the utility model, the hanging ring body is arranged between the standing ribs and the vertical main ribs through the first connecting assembly and the second connecting assembly, so that the position conflict between the hanging ring body and the prefabricated wall body member reinforcement cage is avoided, the connection stability between the hanging ring body and the prefabricated wall body member reinforcement cage is improved, and the potential safety hazard of the prefabricated wall body member in the field hoisting construction operation is reduced.
Description
Technical Field
The utility model relates to the technical field of prefabricated wall component hoisting, in particular to a hoisting ring for hoisting a prefabricated wall component.
Background
In the related art, the prefabricated wall member is a reinforced concrete slab member for building assembly, namely a wallboard or a wallboard, which is manufactured in a prefabricated field or a building site. The prefabricated concrete wallboard is adopted to construct the assembled large-board building, so that the industrialized and mechanized construction degree can be improved, the site wet operation is reduced, the site labor is saved, the seasonal influence is overcome, and the construction period of the building is shortened.
In the site construction process of the prefabricated wall body component, the hanging ring on the prefabricated wall body component is required to be used for hanging the hanging ring so as to hoist and construct the prefabricated wall body component.
Therefore, in the manufacturing process of the prefabricated wall component, before concrete is poured, the hanging ring is required to be embedded into a reinforcement cage of the prefabricated wall component, so that the hanging ring is connected with the prefabricated wall component, and a hoisting condition is provided for the field construction of the subsequent prefabricated wall component.
However, the existing lifting rings are in a hook shape and are connected with the reinforcement cage of the prefabricated wall body component in a wire binding mode, the existing lifting rings are easy to collide with the reinforcement cage of the prefabricated wall body component in position, the lifting rings are difficult to be bound and fixed, the connection stability of the lifting rings is poor, and certain potential safety hazards exist during on-site lifting construction.
Disclosure of Invention
The main purpose of the utility model is that: the utility model provides a rings for prefabricated wall part hoist and mount, it all is the crotch form to aim at solving current rings among the prior art, is connected with prefabricated wall part's steel reinforcement cage through the mode of wire ligature, and current rings produce the conflict with prefabricated wall part's steel reinforcement cage position easily, lead to rings to be difficult to by the ligature fixed, and the connection stability of rings is poor, exists the technical problem of certain potential safety hazard when on-the-spot hoist and mount construction.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a hanging ring for hanging a prefabricated wall component, which comprises a plurality of erection ribs, a plurality of vertical main ribs and a plurality of stirrups, wherein the stirrups are arranged at intervals along the vertical direction and are arranged at the periphery of each erection rib and each vertical main rib in a frame-like manner, the erection ribs and the vertical main ribs are arranged at intervals in a staggered manner, and the hanging ring for hanging the prefabricated wall component comprises:
the first connecting assembly is sleeved between two adjacent standing ribs;
the second connecting assembly is sleeved on the vertical main rib close to the first connecting assembly;
the lifting ring body is arranged between the first connecting assembly and the second connecting assembly; the lifting ring body comprises a first vertical section, a second vertical section and a transition section, wherein the top end of the first vertical section and the top end of the second vertical section are connected through the transition section, the bottom end of the first vertical section is connected with the first connecting component, and the bottom end of the second vertical section is connected with the second connecting component.
Optionally, in the hanging ring for hanging the prefabricated wall member, the first connecting assembly includes a first cylinder, a second cylinder and a connecting plate, the first cylinder is sleeved on the periphery of any one of two adjacent erection ribs, the second cylinder is sleeved on the periphery of the other erection rib, and the first cylinder and the second cylinder are connected through the connecting plate; the bottom end of the first vertical section is connected with the connecting plate.
Optionally, in the hanging ring for hanging the prefabricated wall component, one end of the connecting plate is connected with the second cylinder, and the other end of the connecting plate is detachably connected with the first cylinder.
Optionally, in the hanging ring for hanging the prefabricated wall component, the bottom end of the first cylinder is recessed upwards to form a slot into which the connecting plate is inserted, and the connecting plate is inserted into the first cylinder through the slot.
Optionally, in the hanging ring for hanging the prefabricated wall component, the bottom ends of the first cylinder and the second cylinder are both outwards protruded to form flanges.
Optionally, in the hanging ring for hanging the prefabricated wall member, a threaded section is formed on the periphery of any one of the stand bars, and the first cylinder is in threaded connection with the corresponding stand bar through the threaded section.
Optionally, in the hanging ring for hanging the prefabricated wall member, the size of the slot is gradually reduced from bottom to top to form a stepped slot, and the connecting plate is of a stepped structure matched with the slot.
Optionally, in the hanging ring for hanging the prefabricated wall component, the second connecting assembly includes a third cylinder and a bearing plate, the third cylinder is sleeved on the periphery of the vertical main rib, and one end of the bearing plate is connected with the third cylinder; the bottom end of the second vertical section is connected with the bearing plate.
Optionally, in the hanging ring for hanging the prefabricated wall component, the transition section is in an arc-shaped structure arched upwards.
Optionally, in the hanging ring for hanging the prefabricated wall component, anti-skid patterns are formed on the periphery of the transition section.
The one or more technical schemes provided by the utility model can have the following advantages or at least realize the following technical effects:
according to the hanging ring for hanging the prefabricated wall component, the hanging ring body is arranged between the standing ribs and the vertical main ribs through the first connecting component and the second connecting component, so that the installation position of the hanging ring body in the prefabricated wall component reinforcement cage is limited, the conflict between the hanging ring body and the prefabricated wall component reinforcement cage is avoided, the connection stability between the hanging ring body and the prefabricated wall component reinforcement cage is improved, and the potential safety hazard of the prefabricated wall component in the field hanging construction operation is reduced.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are required in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings may be obtained from the drawings provided without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a lifting ring for lifting a prefabricated wall component;
FIG. 2 is a schematic view of the mounting structure of the first and second connection assemblies according to the present utility model;
FIG. 3 is a schematic view illustrating a first embodiment of a first connecting assembly according to the present utility model;
fig. 4 is a schematic structural view of another embodiment of the first connecting assembly according to the present utility model.
Reference numerals illustrate:
the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, in the embodiment of the present utility model, all directional indications (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly.
In the present disclosure, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously.
In the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be either a fixed connection or a removable connection or integrated; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; the communication between the two elements can be realized, or the interaction relationship between the two elements can be realized.
In the present utility model, if there is a description referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In the present utility model, suffixes such as "module", "assembly", "piece", "part" or "unit" used for representing elements are used only for facilitating the description of the present utility model, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances. In addition, the technical solutions of the embodiments may be combined with each other, but it is based on the fact that those skilled in the art can implement the combination of the technical solutions, when the technical solutions contradict each other or cannot be implemented, the combination of the technical solutions should be considered as not existing and not falling within the protection scope of the present utility model.
The inventive concept of the present utility model is further elucidated below in connection with some embodiments.
The utility model provides a hanging ring for hanging prefabricated wall components.
Referring to fig. 1 and 2, fig. 1 is a schematic structural view of a hanging ring for hanging a prefabricated wall member according to the present utility model, and fig. 2 is a schematic structural view of installation of a first connection assembly and a second connection assembly according to the present utility model.
In an embodiment of the present utility model, as shown in fig. 1 and 2, a hanging ring for hanging a prefabricated wall member, where the prefabricated wall member includes a plurality of stand bars 400, a plurality of vertical main bars 500, and a plurality of stirrups 600, the plurality of stirrups 600 are arranged at intervals along a vertical direction and are all arranged around the stand bars 400 and the vertical main bars 500, the stand bars 400 and the vertical main bars 500 are arranged at intervals in a staggered manner, the hanging ring for hanging the prefabricated wall member includes a first connection assembly 100, a second connection assembly 200, and a hanging ring body 300, the first connection assembly 100 is sleeved between two adjacent stand bars 400, the second connection assembly 200 is sleeved on the vertical main bars 500 near the first connection assembly 100, and the hanging ring body 300 is arranged between the first connection assembly 100 and the second connection assembly 200; the lifting ring body 300 comprises a first vertical section 310, a second vertical section 320 and a transition section 330, wherein the top end of the first vertical section 310 and the top end of the second vertical section 320 are connected through the transition section 330, the bottom end of the first vertical section 310 is connected with the first connecting assembly 100, and the bottom end of the second vertical section 320 is connected with the second connecting assembly 200.
It should be noted that, the opposite ends of the first connecting assembly 100 are respectively connected with two adjacent stand bars 400, and the second connecting assembly 200 is connected with the vertical main bar 500 close to the first connecting assembly 100, so that the first vertical section 310 of the lifting ring body 300 is located between the two adjacent stand bars 400, and the second vertical section 320 of the lifting ring body 300 is located between the vertical main bar 500 and the first connecting assembly 100, so that the lifting ring body 300 is staggered with the stand bars 400 and the vertical main bar 500, thereby preventing the collision between the lifting ring body 300 and the reinforcement cage of the prefabricated wall member, and improving the quality of the finished product of the prefabricated wall member.
It should be understood that, with the length direction of the prefabricated wall body part in fig. 1 as the left-right direction, two adjacent stand bars 400 connected with the first connection assembly 100 are located at the edges of the prefabricated wall body part, and the two adjacent stand bars 400 are spaced apart in the width direction of the prefabricated wall body part, the vertical main bar 500 connected with the second connection assembly 200 is close to the left or right of the prefabricated wall body part, and the vertical main bar 500 connected with the second connection assembly 200 and the two adjacent stand bars 400 connected with the first connection assembly 100 are distributed in a triangle shape within the prefabricated wall body part, so as to ensure that the first vertical section 310 and the second vertical section 320 of the ring body 300 are arranged in parallel, and ensure the structural shape and stability of the ring body 300 itself.
According to the technical scheme, the lifting ring body 300 is arranged between the erection rib 400 and the vertical main rib 500 through the first connecting assembly 100 and the second connecting assembly 200, so that the installation position of the lifting ring body 300 in the prefabricated wall member reinforcement cage is limited, the conflict between the positions of the lifting ring body 300 and the prefabricated wall member reinforcement cage is avoided, the connection stability between the lifting ring body 300 and the prefabricated wall member reinforcement cage is improved, and the potential safety hazard of the prefabricated wall member during on-site lifting construction operation is reduced.
With continued reference to fig. 1 and 2, and with reference to fig. 3, fig. 3 is a schematic structural view of a first connecting assembly according to an embodiment of the present utility model.
Further, as shown in fig. 1 to 3, the first connection assembly 100 includes a first cylinder 110, a second cylinder 120, and a connection plate 130, the first cylinder 110 is sleeved on the periphery of any one of the two adjacent stand bars 400, the second cylinder 120 is sleeved on the periphery of the other stand bar 400, and the first cylinder 110 and the second cylinder 120 are connected through the connection plate 130; the bottom end of the first vertical section 310 is connected to the connection plate 130.
It should be noted that, in order to ensure the connection stability between the first connection assembly 100 and the stand bars 400, the opposite ends of the first connection assembly 100 are respectively connected with two adjacent stand bars 400 by using the first cylinder 110 and the second cylinder 120, and the first cylinder 110 and the second cylinder 120 are connected by the connection plate 130, and the connection position between the first vertical section 310 of the member hanging ring body 300 and the first connection assembly 100 is disposed between the first cylinder 110 and the second cylinder 120, so that the collision between the self structure of the hanging ring body 300 and the position of the stand bars 400 is avoided, and the forming quality of the prefabricated wall member is improved.
With continued reference to fig. 1 and 2, and with reference to fig. 4, fig. 4 is a schematic structural view of another embodiment of the first connecting assembly according to the present utility model.
Further, as shown in fig. 1, 2 and 4, one end of the connection plate 130 is connected to the second cylinder 120, and the other end of the connection plate 130 is detachably connected to the first cylinder 110.
It should be noted that, in order to reduce the installation difficulty of the first connection assembly 100, the first connection assembly 100 is configured as a first cylinder 110 and a second cylinder 120 in a split manner, and after the second cylinder 120 is sleeved with one of the two adjacent stand bars 400, the first cylinder 110 is sleeved with the other stand bar 400 of the two adjacent stand bars 400, so that the first connection assembly 100 is installed between the two adjacent stand bars 400 in a split manner.
Further, the bottom end of the first cylinder 110 is recessed upward to form a slot 111 into which the connection plate 130 is inserted, and the connection plate 130 is inserted into the first cylinder 110 through the slot 111.
After the first cylinder 110 and the second cylinder 120 are mounted on the two adjacent stand bars 400, the first cylinder 110 is positioned obliquely above the second cylinder 120, and the connection plate 130 connected to the second cylinder 120 is moved upward into the slot 111 of the first cylinder 110 by moving the second cylinder 120 upward, thereby completing the mounting of the first connection assembly 100.
It should be understood that in the process of lifting the prefabricated wall parts, the lifting ring body 300 is connected to an external lifting hook (lifting device) from the top of the prefabricated wall parts, and then the prefabricated wall parts are lifted upwards, so that the connection stability of the lifting ring body 300 can be ensured by inserting the second cylinder 120 and the mounting plate into the first cylinder 110 from the lower side of the first cylinder 110.
Further, the bottom ends of the first cylinder 110 and the second cylinder 120 are each outwardly convex to form a flange 140.
It should be noted that, to prevent a position conflict between the first vertical section 310 of the ring body 300 and the reinforcement cage of the prefabricated wall member, the connection between the ring body 300 and the first cylinder 110 and the second cylinder 120 is extended between two adjacent stand bars 400 by the connection plate 130, so that the first vertical section 310 is spaced from each stand bar 400 in the vicinity.
It should be understood that the first cylinder 110 and the second cylinder 120 are hollow cylinders with two open ends, after concrete is poured into the reinforcement cage of the prefabricated wall member, the first cylinder 110 and the second cylinder 120 are covered by the concrete, so that the positions of the first cylinder 110 and the second cylinder 120 in the prefabricated wall member are limited, the first vertical section 310 of the lifting ring body 300 is limited, the connection between the lifting ring body 300 and the prefabricated wall member is more stable, the connection stability between the lifting ring body 300 and the prefabricated wall member is improved, and the construction safety of the prefabricated wall member in the lifting process is ensured.
Further, in order to improve the connection stability between the first cylinder 110 and the stand bars 400, so as to improve the connection stability of the ring body 300 and the prefabricated wall parts, the periphery of any one of the stand bars 400 is formed with a thread section, and the first cylinder 110 is screw-connected with the corresponding stand bar 400 through the thread section.
The first cylinder 110 can only rotate in a state of being separated from the connection plate 130.
Further, in order to reduce the assembly difficulty of the connecting plate 130 and the slot 111, the connecting plate 130 is easier to be inserted into the slot 111 from the lower side of the first cylinder 110, the manufacturing efficiency of the prefabricated wall member is improved, the size of the slot 111 is gradually reduced from bottom to top to form a stepped slot, and the connecting plate 130 is in a stepped structure matched with the slot 111.
With continued reference to fig. 1 and 2.
Further, as shown in fig. 1 and 2, the second connection assembly 200 includes a third cylinder 210 and a bearing plate 220, the third cylinder 210 is sleeved on the periphery of the vertical main rib 500, and one end of the bearing plate 220 is connected with the third cylinder 210; the bottom end of the second vertical section 320 is connected to the carrier plate 220.
It should be noted that, in order to prevent a position conflict between the second vertical section 320 of the lifting ring body 300 and the reinforcement cage of the prefabricated wall member, the connection between the lifting ring body 300 and the third cylinder 210 is extended to one side of the vertical main rib 500 through the bearing plate 220, so that the second vertical section 320 is spaced apart from the vertical main rib 500.
It should be understood that the third cylinder 210 is a hollow cylinder with two open ends, after concrete is poured into the reinforcement cage of the prefabricated wall member, the third cylinder 210 is covered by the concrete, so that the position of the third cylinder 210 in the prefabricated wall member is limited, the second vertical section 320 of the lifting ring body 300 is limited, the connection between the lifting ring body 300 and the prefabricated wall member is more stable, the connection stability between the lifting ring body 300 and the prefabricated wall member is improved, and the construction safety of the prefabricated wall member in the lifting process is ensured.
Further, when the prefabricated wall member is hoisted on site, in order to make the lifting hook easier to be positioned at the middle part of the lifting ring body 300, the prefabricated wall member is uniformly stressed in the hoisting process, the rotation trend of the prefabricated wall member in the suspension is reduced, and the transition section 330 is in an upward arched arc structure.
Further, in order to improve the connection stability between the ring body 300 and the hook when the prefabricated wall member is lifted on site, the potential safety hazard in the process of lifting the prefabricated wall member on site is reduced, and anti-slip lines are formed on the periphery of the transition section 330.
Finally, it should be noted that the foregoing reference numerals of the embodiments of the present utility model are merely for describing the embodiments, and do not represent the advantages and disadvantages of the embodiments. The above embodiments are only optional embodiments of the present utility model, and not limiting the scope of the present utility model, and all equivalent structures or equivalent processes using the descriptions of the present utility model and the accompanying drawings or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (10)
1. The utility model provides a rings are used in hoist and mount of prefabricated wall body component, prefabricated wall body component includes a plurality of stand bars, a plurality of vertical main muscle and a plurality of stirrups, and is a plurality of the stirrups set up along vertical direction interval and all frame locate each stand bar and each the periphery of vertical main muscle, stand bar with vertical main muscle interval is crisscross to be set up, its characterized in that, the hoist and mount of prefabricated wall body component are used in hoist and mount the ring include:
the first connecting assembly is sleeved between two adjacent standing ribs;
the second connecting assembly is sleeved on the vertical main rib close to the first connecting assembly;
the lifting ring body is arranged between the first connecting assembly and the second connecting assembly; the lifting ring body comprises a first vertical section, a second vertical section and a transition section, wherein the top end of the first vertical section and the top end of the second vertical section are connected through the transition section, the bottom end of the first vertical section is connected with the first connecting component, and the bottom end of the second vertical section is connected with the second connecting component.
2. The hoisting ring for hoisting prefabricated wall parts according to claim 1, wherein the first connecting assembly comprises a first cylinder, a second cylinder and a connecting plate, the first cylinder is sleeved on the periphery of any one of two adjacent erection ribs, the second cylinder is sleeved on the periphery of the other erection rib, and the first cylinder and the second cylinder are connected through the connecting plate; the bottom end of the first vertical section is connected with the connecting plate.
3. A lifting ring for lifting prefabricated wall parts according to claim 2, wherein one end of the connecting plate is connected with the second cylinder, and the other end of the connecting plate is detachably connected with the first cylinder.
4. A lifting ring for lifting a prefabricated wall component according to claim 3, wherein the bottom end of the first cylinder is recessed upwards to form a slot into which the connecting plate is inserted, and the connecting plate is inserted into the first cylinder through the slot.
5. The lifting ring for lifting prefabricated wall parts according to claim 4, wherein the bottom ends of the first cylinder and the second cylinder are outwards protruded to form flanges.
6. A lifting ring for lifting prefabricated wall parts according to claim 4, wherein a thread section is formed on the periphery of any one of the erection ribs, and the first cylinder is in threaded connection with the corresponding erection rib through the thread section.
7. The lifting ring for lifting prefabricated wall parts according to claim 4, wherein the size of the slot is gradually reduced from bottom to top to form a stepped slot, and the connecting plate is in a stepped structure matched with the slot.
8. A lifting ring for lifting a prefabricated wall member according to any one of claims 1 to 7, wherein the second connecting assembly comprises a third cylinder and a bearing plate, the third cylinder is sleeved on the periphery of the vertical main rib, and one end of the bearing plate is connected with the third cylinder; the bottom end of the second vertical section is connected with the bearing plate.
9. A lifting ring for lifting prefabricated wall parts according to any one of claims 1 to 7, wherein the transition section has an upwardly arched arcuate configuration.
10. A lifting ring for lifting prefabricated wall parts according to claim 9, wherein the periphery of the transition section is formed with anti-slip patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985682.7U CN220578687U (en) | 2023-07-26 | 2023-07-26 | Hoisting ring for hoisting prefabricated wall components |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321985682.7U CN220578687U (en) | 2023-07-26 | 2023-07-26 | Hoisting ring for hoisting prefabricated wall components |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220578687U true CN220578687U (en) | 2024-03-12 |
Family
ID=90112141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321985682.7U Active CN220578687U (en) | 2023-07-26 | 2023-07-26 | Hoisting ring for hoisting prefabricated wall components |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220578687U (en) |
-
2023
- 2023-07-26 CN CN202321985682.7U patent/CN220578687U/en active Active
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