CN213059286U - Material pouring tool and material transfer device - Google Patents
Material pouring tool and material transfer device Download PDFInfo
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- CN213059286U CN213059286U CN202021925795.4U CN202021925795U CN213059286U CN 213059286 U CN213059286 U CN 213059286U CN 202021925795 U CN202021925795 U CN 202021925795U CN 213059286 U CN213059286 U CN 213059286U
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Abstract
The utility model discloses a material pouring tool and material transfer device. The material pouring tool is used for pouring materials in the first material box to the second material box, the first material box is in butt joint with and communicated with the second material box, the material pouring tool comprises an enclosing frame, a containing space is formed in the enclosing frame, the first material box and the second material box are arranged in the containing space, and therefore the enclosing frame is right to limit the first material box and the second material box. The utility model discloses technical scheme's the frock of falling the material can improve the convenience of the operation of falling the material and the efficiency of falling the material.
Description
Technical Field
The utility model relates to a material turnover equipment technical field, in particular to material pouring frock and material transfer device.
Background
Generally, in the production process of some semiconductor devices, the devices need to be transferred from a revolving material box to another material box (such as a hollow material box) to perform plasma cleaning on the semiconductor devices, so as to achieve the purpose of cleaning the surface, and gaseous molecules generated in the cleaning process can be emitted from the hollow material box. At present, when semiconductor devices are transferred from a turnover box to a cleaning box, operators mostly align two material boxes and then tip over the two material boxes, so that when the semiconductor devices are poured, the operators often need to support the materials by hands, and the semiconductor devices are inconvenient to operate and low in efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a material pouring frock aims at improving the convenience of the operation of falling the material, improves the efficiency of falling the material.
In order to achieve the purpose, the utility model provides a material pouring tool for pour the material in the first magazine to second magazine, first magazine butt joint and communicate in the second magazine, material pouring tool is including enclosing the frame, it has storage space to enclose to form in the frame, first magazine with the second magazine is located in the storage space, so that it is right to enclose the frame first magazine with the second magazine carries on spacingly.
Optionally, the enclosing frame includes an upper frame body, a right frame body, a lower frame body and a left frame body that are sequentially connected end to end, the upper frame body is disposed opposite to the lower frame body, the right frame body is disposed opposite to the left frame body, and the upper frame body, the right frame body, the lower frame body and the left frame body enclose the accommodating space.
Optionally, the upper frame and the lower frame each include a first fixed portion and a first movable portion movably connected to the first fixed portion, one side of the right frame is connected to the first movable portion of the upper frame, the other side of the right frame is connected to the first movable portion of the lower frame, one side of the left frame is connected to the first fixed portion of the upper frame, and the other side of the left frame is connected to the first fixed portion of the lower frame.
Optionally, the first fixed portion is provided with a slide rail, the first movable portion is provided with a slide bar, and the slide bar is embedded in the slide rail and can slide along the slide rail, so that the first movable portion moves relative to the first fixed portion.
Optionally, the left frame and the right frame each include a second fixed portion and a second movable portion movably connected to the second fixed portion, one side of the upper frame is connected to the second movable portion of the left frame, the other side of the upper frame is connected to the second movable portion of the right frame, one side of the lower frame is connected to the second fixed portion of the left frame, and the other side of the lower frame is connected to the second fixed portion of the right frame.
Optionally, the left frame and the right frame are both provided with a telescopic rod, one end of the telescopic rod is formed as the second fixed portion, the other end of the telescopic rod is formed as the second movable portion, and the upper frame and the lower frame are respectively connected to two ends of the telescopic rod and can move close to or away from each other.
Optionally, the material pouring tool further comprises a baffle, the baffle is connected to the surrounding frame and located on the side surface of the first material box and/or the side surface of the second material box, and the baffle stops the first material box and/or the second material box.
The utility model also provides a material transfer device, material transfer device includes first magazine, second magazine and as aforesaid the frock of falling the material, first magazine butt joint and communicate in the second magazine, first magazine with the second magazine is located in the accommodation space.
Optionally, one of the side wall of the first magazine and the side wall of the second magazine is provided with a protrusion, the other of the side wall of the first magazine and the side wall of the second magazine is provided with a groove, and the protrusion is inserted into the groove so as to enable the first magazine and the second magazine to be butted.
Optionally, a first material placing groove for placing materials is formed in the inner wall surface of the first material box, a second material placing groove is formed in the inner wall surface of the second material box corresponding to the first material placing groove, the extending direction of the first material placing groove and the extending direction of the second material placing groove are consistent with the material pouring direction of the first material box and the material pouring direction of the second material box, and the first material placing groove and the second material placing groove are in butt joint and are communicated along the extending direction.
The utility model discloses technical scheme's material frock of falling is mainly used for falling the material in the first magazine to the second magazine. In the material pouring process, a first material box and a second material box are placed in an enclosing frame of the material pouring tool, so that the first material box and the second material box are contained in a containing space in the enclosing frame, and can be limited and fixed by the enclosing frame; then the enclosing frame can be obliquely placed, so that the position of the first material box is higher than that of the second material box, materials in the first material box can automatically slide into the second material box which is in butt joint with and communicated with the first material box under the action of gravity, and the material pouring process is completed. The design of this structure for when falling the material, can singlehanded promote to enclose frame one side back, fall the material through the action of gravity, need not both hands and support and aim at two magazines, thereby improved the convenience of falling the material operation greatly and the efficiency of falling the material.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of the material pouring tool of the present invention;
fig. 2 is a schematic structural view of the material transfer device of the present invention in a material pouring state;
fig. 3 is an exploded schematic view of the butt joint of the first and second material boxes;
fig. 4 is a partially enlarged view of a portion a in fig. 3.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | |
| 11a | First fixed part | 11b | A first |
| 13 | |
13a | Second |
| 13b | Second |
15 | |
| 15a | First |
15b | A first movable part |
| 17 | |
17a | Second fixed part |
| 17b | Second |
30 | |
| 100 | |
200 | |
| 210 | First |
300 | |
| 310 | Second | 400a | |
| 400b | Groove | ||
| 500 | Material transfer device |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a material pouring tool 100.
With reference to fig. 1 and 2, in the embodiment of the present invention, the material pouring tool 100 is used for pouring the material in the first material box 200 to the second material box 300, the first material box 200 is butted and communicated with the second material box 300, the material pouring tool 100 includes the enclosing frame 10, an accommodating space (not labeled) is formed in the enclosing frame 10, the first material box 200 and the second material box 300 are located in the accommodating space, so that the enclosing frame 10 is right for the first material box 200 and the second material box 300 to be limited.
The first material box 200 can be a box body structure formed by assembling solid plates, and the second material box 300 can be a box body structure formed by assembling hollow plates, so that in the production process, product materials are usually placed in the first material box 200 (namely a solid plate box) when being circulated, and the effect of protecting the product is achieved; when plasma cleaning is needed, the cleaning liquid needs to be transferred into the second material box 300 (namely, the hollow plate box), so that gaseous molecules generated in the cleaning process can be timely distributed out of the box formed by the hollow plate, and cannot be deposited on the surface of a product to cause secondary pollution. After the cleaning is completed, the product can be transferred into the first magazine 200 again to continue the circulation of the next process. Therefore, during plasma cleaning of the product, it is generally necessary to transfer the product several times in different cartridges.
In the embodiment of the application, the enclosure frame 10 is mainly used for limiting the first material box 200 and the second material box 300 which are butted and communicated, so that the first material box 200 and the second material box 300 can be kept relatively fixed with the enclosure frame 10, and the enclosure frame 10 can be made of a metal material or a plastic material with better structural strength, so as to ensure that the enclosure frame 10 can stabilize and limit the first material box 200 and the second material box 300 and is not easy to deform. In order to facilitate the first magazine 200 and the second magazine 300 to form a height difference by tilting the surrounding frame 10, in other embodiments of the present application, a handle structure is further disposed on the surrounding frame 10, so that when the material is poured, one side of the surrounding frame 10 can be lifted by the handle structure to form an inclined state, and the material in the first magazine 200 slides into the second magazine 300.
Therefore, in the material pouring process of the material pouring tool 100 of the technical solution of the present invention, the first material box 200 and the second material box 300 are firstly placed in the surrounding frame 10 of the material pouring tool 100, so that the first material box 200 and the second material box 300 are received in the receiving space in the surrounding frame 10, and can be limited and fixed by the surrounding frame 10; then, the enclosure frame 10 can be obliquely placed, so that the position of the first material box 200 is higher than that of the second material box 300, and therefore, under the action of gravity, the materials in the first material box 200 can automatically slide into the second material box 300 which is butted and communicated with the first material box 200, and the material pouring process is completed. The design of this structure for when falling the material, can one-hand promote enclose frame 10 one side after, fall the material through the action of gravity, need not both hands and support and aim at two magazines, thereby improved the convenience of falling the material operation and the efficiency of falling the material greatly.
Referring to fig. 1, in an embodiment of the present application, the enclosure frame 10 includes an upper frame 11, a right frame 17, a lower frame 15, and a left frame 13 that are sequentially connected end to end, where the upper frame 11 is disposed opposite to the lower frame 15, the right frame 17 is disposed opposite to the left frame 13, and the upper frame 11, the right frame 17, the lower frame 15, and the left frame 13 enclose the storage space.
In this embodiment, the enclosure frame 10 is rectangular, four frame bodies can be fixedly connected or detachably connected by common connection methods in the field such as screw connection and welding, the first material box 200 and the second material box 300 are rectangular box bodies, so that when the first material box 200 and the second material box 300 are accommodated in the accommodating space, the upper and lower sides of the two material boxes can be respectively limited and fixed by the upper frame body 11 and the lower frame body 15, one side of the first material box 200 far from the second material box 300 can be limited and fixed by the left frame body 13, one side of the second material box 300 far from the first material box 200 can be limited and fixed by the right frame body 17, so that the first material box 200 and the second material box 300 which are butted and communicated can be stably fixed in the enclosure frame 10, and a user can lift one side of the enclosure frame 10 corresponding to the first material box 200 with one hand and keep the enclosure frame 10 in an inclined state, the materials in the first material box 200 automatically slide into the second material box 300, and the two material boxes are aligned without being supported by both hands in the material pouring process, so that the convenience of the material pouring operation is effectively improved.
With reference to fig. 1, in the present application, the upper frame 11 and the lower frame 15 include first fixed portions 11a and 15a and first movable portions 11b and 15b movably connected to the first fixed portions 11a and 15a, one side of the right frame 17 is connected to the first movable portion 11b of the upper frame 11, the other side is connected to the first movable portion 15b of the lower frame 15, one side of the left frame 13 is connected to the first fixed portion 11a of the upper frame 11, and the other side is connected to the first fixed portion 15a of the lower frame 15.
In the above embodiment, both the upper frame 11 and the lower frame 15 may be of a plate structure, and the first fixed portions 11a and 15a and the first movable portions 11b and 15b are provided in the upper frame 11 and the lower frame 15, so that the lengths of the upper frame 11 and the lower frame 15 can be movably adjusted, that is, the distance between the left frame 13 and the right frame 17 can be adjusted. Therefore, when the material is transferred between two material boxes by using the material pouring tool 100, the left frame body 13 and the right frame body 17 can be adjusted to be close to or far away from each other according to the specific length of the two material boxes, so that the material boxes with different length and size can be adapted, and the universality of the material pouring tool 100 is greatly improved.
In order to realize that the lengths of the upper frame 11 and the lower frame 15 are adjustable, in an embodiment of the present application, the first fixing portions 11a and 15a are provided with slide rails, the first movable portions 11b and 15b are provided with slide bars, and the slide bars are embedded in the slide rails and can slide along the slide rails, so that the first movable portions 11b and 15b move relative to the first fixing portions 11a and 15 a.
It can be understood that the extending direction of the sliding rails and the sliding bars should be the same as the length direction of the upper frame 11 and the lower frame 15, the sliding rails and the sliding bars are respectively disposed on the side of the plate body structure facing the receiving space, the number of the sliding rails may be multiple, for example, 2, 4, 6 or more, the multiple sliding rails are disposed side by side on the first fixing portions 11a, 15a, and the number and the positions of the sliding bars correspond to the number and the positions of the sliding rails. So, through the cooperation structure of slide rail and draw runner for can adjust the length of upper frame body 11, lower frame body 15 through gliding mode, adjust easy operation convenience, mounting structure is also comparatively simple moreover.
Of course, in other embodiments, the length of the upper frame 11 and the length of the lower frame 15 may be adjusted by using a telescopic rod or the like, so as to change the lengths in a telescopic manner, which is not described in detail in this application.
Further, in the present application, the left frame 13 and the right frame 17 include second fixed portions 13a and 17a and second movable portions 13b and 17b movably connected to the second fixed portions 13a and 17a, one side of the upper frame 11 is connected to the second movable portion 13b of the left frame 13, the other side is connected to the second movable portion 17b of the right frame 17, one side of the lower frame 15 is connected to the second fixed portion 13a of the left frame 13, and the other side is connected to the second fixed portion 17a of the right frame 17. It can be understood that, by providing the second fixed portions 13a and 17a and the second movable portions 13b and 17b in the left frame 13 and the right frame 17, the heights of the left frame 13 and the right frame 17 can be adjusted and changed, that is, the distance between the upper frame 11 and the lower frame 15 can be adjusted. Therefore, when the material pouring tool 100 is used for transferring materials between two material boxes, the upper frame 11 and the lower frame 15 can be adjusted to be close to or far away from each other according to the specific heights of the two material boxes, so that the material pouring tool 100 can be adapted to the material boxes with different height sizes, and the universality of the material pouring tool 100 is further improved.
In order to adjust the height of the left frame 13 and the right frame 17, in an embodiment of the present application, the left frame 13 and the right frame 17 are both provided with telescopic rods, one end of each telescopic rod is formed as the second fixed portion 13a, 17a, and the other end is formed as the second movable portion 13b, 17b, and the upper frame 11 and the lower frame 15 are respectively connected to two ends of the telescopic rods and can move close to or away from each other.
Specifically, the telescopic rod structure may be a telescopic sleeve rod structure commonly used in the prior art, the number of telescopic rods provided in the left frame 13 may be plural, a plurality of telescopic rods are formed in parallel in a row, and the structure of the right frame 17 is the same as that of the left frame 13. So, through the structure that sets up the telescopic link, not only can support after connecting upper frame body 11 and lower frame body 15, adjust the distance between upper frame body 11, the lower frame body 15, the telescopic link can carry out the backstop to the material in first magazine 200 and the second magazine 300 moreover, prevents the material roll-off.
Of course, in another embodiment, the height of the left frame 13 and the right frame 17 can be adjusted by a slide rail and a slide rod, so that the height can be changed by sliding, and the detailed description is omitted here.
Referring to fig. 1 again, further, the material pouring tool 100 further includes a baffle 30, where the baffle 30 is connected to the surrounding frame 10 and located on a side surface of the first material box 200 and/or the second material box 300 to stop the first material box 200 and/or the second material box 300. The baffle 30 may be a thin plate structure, and the material of the baffle 30 may be metal or nonmetal, and the baffle 30 may be connected to the first fixing portion 15a of the lower frame 15 and the second fixing portion 13a of the left frame 13, so as to ensure that the installation of the baffle 30 does not affect the adjustment of the lower frame 15 and the left frame 13. Through setting up baffle 30, can carry out the backstop spacing to first magazine 200 and second magazine 300 of accomodating in the accommodation space to the spacing stability of material frock 100 to the magazine has further been improved.
Referring to fig. 2, the utility model also provides a material transfer device 500, this material transfer device 500 includes first magazine 200, second magazine 300 and material pouring frock 100, first magazine 200 dock and communicate in second magazine 300, first magazine 200 with second magazine 300 is located in the accommodation space. The specific structure of the material pouring tool 100 refers to the above embodiments, and since the material transfer device 500 adopts all technical solutions of all the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.
Referring to fig. 3 and 4, in an embodiment of the present application, one of the side wall of the first magazine 200 and the side wall of the second magazine 300 is provided with a protrusion 400a, the other of the side wall of the first magazine and the side wall of the second magazine is provided with a groove 400b, and the protrusion 400a is inserted into the groove 400b, so that the first magazine 200 is coupled to the second magazine 300. Specifically, the protrusion 400a may be disposed on the sidewall of the first cartridge 200 facing the second cartridge 300 and the groove 400b may be disposed on the sidewall of the second cartridge 300 facing the first cartridge 200, or the protrusion 400a may be disposed on the sidewall of the second cartridge 300 facing the first cartridge 200 and the groove 400b may be disposed on the sidewall of the first cartridge 200 facing the second cartridge 300; alternatively, the protrusions 400a and the grooves 400b may be provided in the first magazine 200 and the second magazine 300 at the same time. Through the arrangement of the protrusion 400a and the groove 400b, the first material box 200 and the second material box 300 can be stably butted, the butting process cannot be easily loosened, and the materials cannot slide out to cause damage.
Further, the internal wall face of the first magazine 200 of this application is equipped with the first silo 210 of putting that is used for laying the material, the internal wall face of second magazine 300 corresponds first silo 210 of putting is equipped with the second and puts silo 310, first silo 210 of putting the second put the extending direction of silo 310 with first magazine 200 the unloading direction of second magazine 300 is unanimous, first silo 210 of putting with the second is put silo 310 and is followed its extending direction butt joint and intercommunication.
Specifically, the number of the first material placing grooves 210 and the second material placing grooves 310 can be arranged at intervals, in practical application, plate-shaped materials are firstly suspended in the first material box 200, two sides of the plate-shaped materials are respectively embedded into the first material placing grooves 210, in the material pouring and cleaning process, one side of the first material box 200 is lifted, under the action of gravity, the materials slide to the second material placing grooves 310 of the second material box 300 through the first material placing grooves 210, after cleaning is completed, one side of the second material box 300 is lifted, the materials slide to the first material placing grooves 210 of the first material box 200 through the second material placing grooves 310 again, and circulation of the next process is continued. Therefore, through the arrangement of the first material placing groove 210 and the second material placing groove 310, the materials can be kept neat and consistent in the transferring process, collision between the materials cannot occur, and damage to the materials is avoided.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a material pouring frock, the material pouring frock is used for pouring the material in the first magazine to the second magazine, first magazine butt joint and communicate in the second magazine, a serial communication port, the material pouring frock is including enclosing the frame, it is formed with storage space in the frame to enclose, first magazine with the second magazine is located in the storage space, so that it is right to enclose the frame first magazine with the second magazine carries on spacingly.
2. The material pouring tool according to claim 1, wherein the enclosing frame comprises an upper frame body, a right frame body, a lower frame body and a left frame body which are sequentially connected end to end, the upper frame body is arranged opposite to the lower frame body, the right frame body is arranged opposite to the left frame body, and the upper frame body, the right frame body, the lower frame body and the left frame body enclose to form the accommodating space.
3. The material pouring tool device as claimed in claim 2, wherein the upper frame body and the lower frame body each comprise a first fixed portion and a first movable portion movably connected to the first fixed portion, one side of the right frame body is connected to the first movable portion of the upper frame body, the other side of the right frame body is connected to the first movable portion of the lower frame body, one side of the left frame body is connected to the first fixed portion of the upper frame body, and the other side of the left frame body is connected to the first fixed portion of the lower frame body.
4. The material pouring tool according to claim 3, wherein the first fixed part is provided with a slide rail, the first movable part is provided with a slide bar, and the slide bar is embedded in the slide rail and can slide along the slide rail, so that the first movable part moves relative to the first fixed part.
5. The material pouring tool device as claimed in claim 2, wherein the left frame body and the right frame body each comprise a second fixed portion and a second movable portion movably connected to the second fixed portion, one side of the upper frame body is connected to the second movable portion of the left frame body, the other side of the upper frame body is connected to the second movable portion of the right frame body, one side of the lower frame body is connected to the second fixed portion of the left frame body, and the other side of the lower frame body is connected to the second fixed portion of the right frame body.
6. The material pouring tool device as claimed in claim 5, wherein the left frame body and the right frame body are provided with telescopic rods, one end of each telescopic rod is formed as the second fixed part, the other end of each telescopic rod is formed as the second movable part, and the upper frame body and the lower frame body are respectively connected to two ends of each telescopic rod and can move close to or away from each other.
7. The material pouring tool according to any one of claims 1 to 6, further comprising a baffle plate, wherein the baffle plate is connected to the surrounding frame and located on the side surface of the first material box and/or the second material box to stop the first material box and/or the second material box.
8. The material transfer device is characterized by comprising a first material box, a second material box and the material pouring tool according to any one of claims 1 to 7, wherein the first material box is butted and communicated with the second material box, and the first material box and the second material box are positioned in the accommodating space.
9. The material transfer device according to claim 8, wherein one of the side wall of the first magazine and the side wall of the second magazine is provided with a protrusion, and the other of the side wall of the first magazine and the side wall of the second magazine is provided with a groove, and the protrusion is inserted into the groove so as to enable the first magazine and the second magazine to be butted.
10. The material transfer device according to claim 8, wherein a first material placing groove for placing the material is formed in an inner wall surface of the first material box, a second material placing groove is formed in an inner wall surface of the second material box corresponding to the first material placing groove, an extending direction of the first material placing groove and the second material placing groove is consistent with a material pouring direction of the first material box and the second material box, and the first material placing groove and the second material placing groove are butted and communicated along the extending direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925795.4U CN213059286U (en) | 2020-09-04 | 2020-09-04 | Material pouring tool and material transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021925795.4U CN213059286U (en) | 2020-09-04 | 2020-09-04 | Material pouring tool and material transfer device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213059286U true CN213059286U (en) | 2021-04-27 |
Family
ID=75556858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021925795.4U Active CN213059286U (en) | 2020-09-04 | 2020-09-04 | Material pouring tool and material transfer device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213059286U (en) |
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2020
- 2020-09-04 CN CN202021925795.4U patent/CN213059286U/en active Active
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