CN219904771U - Taking-off and landing platform framework based on rapid unfolding of aerial survey unmanned aerial vehicle matching box - Google Patents
Taking-off and landing platform framework based on rapid unfolding of aerial survey unmanned aerial vehicle matching box Download PDFInfo
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- CN219904771U CN219904771U CN202320953834.9U CN202320953834U CN219904771U CN 219904771 U CN219904771 U CN 219904771U CN 202320953834 U CN202320953834 U CN 202320953834U CN 219904771 U CN219904771 U CN 219904771U
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Abstract
The utility model discloses a take-off and landing platform architecture based on rapid unfolding of a sleeve box of an aerial survey unmanned aerial vehicle, which comprises the following steps: a sleeve box body; the supporting platform structure is fixedly assembled on the top end face of the matching box body and comprises a plurality of groups of plate bodies, and the groups of plate bodies are arranged in a foldable and flat manner; the base support rod structure is provided with a plurality of groups, and the base support rod structures are respectively arranged at the bottom of the matched box body in an extensible mode in different directions; the top support telescopic rod frame is provided with a plurality of groups, and the top support telescopic rod frame is respectively arranged between the base support rod structure and the bearing platform structure in a one-to-one correspondence clamping position supporting mode. The technical problems that in the prior art, when the unmanned aerial vehicle is lifted by independently carrying the lifting platform or directly using the sleeve box as a simple platform, the lifting platform is inconvenient to carry and the safety lifting is difficult to guarantee are solved.
Description
Technical Field
The utility model relates to the technical field of unmanned aerial vehicle equipment, in particular to a take-off and landing platform framework based on rapid unfolding of a aerial survey unmanned aerial vehicle matching box.
Background
In recent years, unmanned aerial vehicle technology is gradually developed, and the unmanned aerial vehicle technology is increasingly widely applied to various aerial photography inspection or disaster relief operations. However, such operation makes unmanned aerial vehicle need often go to mountain area or field and carries out the operation task, and when rugged mountain area or the field that dust debris is more take off and land, receive the restriction of complicated ground condition, unmanned aerial vehicle often can't carry out normal take off and land, still causes the harm to its inside precision device easily.
In the prior art, a landing platform which is carried independently is usually adopted, or a matching box of the unmanned aerial vehicle is directly utilized as a simple platform, so that the unmanned aerial vehicle is assisted to take off and land. However, the lifting platform is inconvenient to carry alone, and the lifting area of the supporting box serving as the platform is small, so that the supporting box is difficult to ensure that the box always falls in the posture corresponding to the center of the box when the unmanned aerial vehicle falls, and therefore the box is easy to eccentrically incline, and further danger is generated.
Disclosure of Invention
Therefore, the utility model provides a take-off and landing platform framework based on rapid unfolding of a sleeve box of an aerial survey unmanned aerial vehicle, and aims to solve the technical problems that in the prior art, when a take-off and landing platform is carried alone or the sleeve box is directly utilized as a simple platform to assist the unmanned aerial vehicle in taking off and landing, the carrying is inconvenient and the safe take-off and landing are difficult to ensure.
In order to achieve the above object, the present utility model provides the following technical solutions:
take-off and landing platform architecture based on aerial survey unmanned aerial vehicle joins in marriage quick expansion of case, include:
a sleeve box body;
the supporting platform structure is fixedly assembled on the top end face of the matching box body and comprises a plurality of groups of plate bodies, and the groups of plate bodies are arranged in a foldable and flat manner;
the base support rod structure is provided with a plurality of groups, and the base support rod structures are respectively arranged at the bottom of the matched box body in an extensible mode in different directions;
the top support telescopic rod frame is provided with a plurality of groups, and the top support telescopic rod frame is respectively arranged between the base support rod structure and the bearing platform structure in a one-to-one correspondence clamping position supporting mode.
On the basis of the technical scheme, the utility model is further described as follows:
as a further scheme of the utility model, the matched box body comprises a box base and a protective box cover.
The protective box cover is detachably sleeved and fixedly arranged on the box base.
The supporting platform structure is fixedly connected and assembled on the top end face of the protective box cover, and a plurality of groups of base supporting rod structures are respectively arranged at the bottom of the box base in an extensible mode in different directions.
As a further aspect of the utility model, the support platform structure further comprises a connecting shaft; the plurality of groups of plate bodies comprise a central plate body, a side folding plate body, a first side main plate body, a first side slave plate body, a second side main plate body and a second side slave plate body.
The center plate body, the side folding plate body, the first side main plate body, the first side auxiliary plate body, the second side main plate body and the second side auxiliary plate body are rectangular plate bodies.
The central plate body is fixedly connected and assembled on the top end face of the protective box cover, and two opposite edges of the rectangular central plate body are respectively and correspondingly connected with the side folding plate body in a one-to-one mode through the connecting rotating shaft.
The first side main board body and the second side main board body are respectively assembled on the other two opposite edges of the rectangular central board body in a one-to-one correspondence manner through the connecting rotating shaft in a switching manner, and the two opposite edges of the first side main board body are respectively assembled on the first side slave board body in a one-to-one correspondence manner through the connecting rotating shaft in a switching manner.
The two groups of first side slave plate bodies are respectively and correspondingly connected with one side edges of the two groups of side folding plate bodies adjacent to the central plate body.
The two opposite edges of the second side main board body are respectively and correspondingly connected with the second side auxiliary board body through the connecting rotating shafts in a one-to-one mode.
The two groups of second side slave plate bodies are respectively and correspondingly connected with the edges of the other sides of the two groups of side folding plate bodies adjacent to the central plate body.
As a further aspect of the present utility model, the method further comprises:
the fixed bayonet lock structure is provided with four groups, and the four groups of fixed bayonet lock structures are respectively assembled between the side folding plate body and the first side slave plate body and between the side folding plate body and the second side slave plate body.
As a further aspect of the present utility model, each set of the fixed bayonet structures includes a bayonet rod and a positioning chute.
The four groups of bayonet lock rods are vertically and slidably assembled on two groups of side folding plate bodies adjacent to two side edges of the central plate body in a one-to-one correspondence mode.
The four groups of positioning sliding grooves are vertically arranged at one side edge of the two groups of first side slave plate bodies and one side edge of the two groups of second side slave plate bodies, which are respectively connected with the side folding plate bodies, in one-to-one correspondence; and the four groups of bayonet lock rods and the four groups of positioning sliding grooves are in one-to-one correspondence and separable type phase sliding clamping assembly.
As a further aspect of the present utility model, the center plate body, the side folding plate body, the first side main plate body, the first side sub-plate body, the second side main plate body, and the second side sub-plate body have the same plate body thickness, and are all one unit thickness.
The two ends of one side edge of the first side main plate body corresponding to the central plate body are respectively smaller than two unit thicknesses of the corresponding side edge of the central plate body, and the two ends of one side edge of the second side main plate body corresponding to the central plate body are respectively smaller than one unit thickness of the corresponding side edge of the central plate body.
As a further scheme of the utility model, the base support rod structure is provided with four groups, and each group of base support rod structure comprises a slide rail seat and a support slide rod.
The four groups of slide rail seats are fixedly connected to the bottom of the box base in an embedded mode, and the four groups of slide rail seats face to the four corner ends of the box base in a one-to-one correspondence mode.
The four groups of support sliding rods are respectively and correspondingly assembled on the four groups of slide rail seats in a one-to-one sliding manner.
As a further scheme of the utility model, the base stay bar structure further comprises a containing groove.
The four groups of accommodating grooves are provided with four groups of supporting sliding rods in a one-to-one correspondence mode in an opening mode.
The four groups of the top support telescopic rod frames are arranged, one ends of the four groups of the top support telescopic rod frames are respectively and correspondingly connected and assembled at one end parts of the four groups of the containing grooves, which are far away from the slide rail seat, and the other ends of the four groups of the top support telescopic rod frames are correspondingly clamped at two groups of the first side slave plate bodies and two groups of the second side slave plate bodies.
As a further scheme of the utility model, two groups of first side slave plate bodies and two groups of second side slave plate bodies are respectively provided with clamping grooves.
The other ends of the four groups of top support telescopic rod frames are respectively clamped in the four groups of clamping grooves in a one-to-one correspondence mode.
As a further scheme of the utility model, the bottom of one end of the support sliding rod far away from the sliding rail seat is provided with a bolt height-adjusting support leg in a screwed mode.
The utility model has the following beneficial effects:
the device can be used as an installation foundation of the whole framework through the matching box body; simultaneously, the supporting platform structure and the fixed bayonet structure are matched and unfolded to effectively form a larger-area take-off and landing platform so as to assist the unmanned aerial vehicle to take off and land; in addition, the placement stability of the matched box body can be enhanced by means of the base stay bar structure after being unfolded, the base stay bar structure after being unfolded is used as a base to be matched with the top stay telescopic rod frame to further support the supporting platform structure, and further the supporting box body is directly unfolded to form a lifting platform, so that functional practicability and convenience are improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will simply refer to the drawings required in the embodiments or the description of the prior art, and structures, proportions, sizes and the like which are shown in the specification are merely used in conjunction with the disclosure of the present utility model, so that those skilled in the art can understand and read the disclosure, and any structural modifications, changes in proportion or adjustment of sizes should still fall within the scope of the disclosure of the present utility model without affecting the effects and the achieved objects of the present utility model.
Fig. 1 is a schematic diagram of an axial measurement structure of a landing platform architecture based on rapid expansion of a sleeve box of an aerial survey unmanned aerial vehicle after integral expansion, which is provided by the embodiment of the utility model.
Fig. 2 is a schematic diagram of an inboard structure of a landing platform architecture based on rapid deployment of a sleeve box of an aerial survey unmanned aerial vehicle after deployment of a supporting platform structure according to an embodiment of the present utility model.
Fig. 3 is a schematic diagram of a bottom view structure of a landing platform architecture based on rapid deployment of a sleeve box of an aerial survey unmanned aerial vehicle after overall deployment, provided by the embodiment of the utility model.
In the drawings, the list of components represented by the various numbers is as follows:
matching sleeve box 1: a case base 11, a protective case cover 12;
bearing platform structure 2: a center plate 21, a side folding plate 22, a first side main plate 23, a first side auxiliary plate 24, a second side main plate 25, a second side auxiliary plate 26, a connecting rotating shaft 27 and a clamping groove 28;
fixing bayonet structure 3: a bayonet rod 31 and a positioning chute 32;
base vaulting pole structure 4: a rail seat 41, a support slide bar 42, and a receiving groove 43;
a jack support telescopic rod frame 5; the bolts raise the support legs 6.
Detailed Description
Other advantages and advantages of the present utility model will become apparent to those skilled in the art from the following detailed description, which, by way of illustration, is to be read in connection with certain specific embodiments, but not all embodiments. 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.
The terms such as "upper", "lower", "left", "right", "middle" and the like are also used herein for descriptive purposes only and are not intended to limit the scope of the utility model for which the utility model may be practiced or for which the relative relationship may be altered or modified without materially altering the technical context.
As shown in fig. 1 to 3, the embodiment of the utility model provides a landing platform framework based on rapid deployment of a sleeve box of an aerial survey unmanned aerial vehicle, which comprises a sleeve box body 1, a bearing platform structure 2, a fixed bayonet lock structure 3, a base support rod structure 4 and a top support telescopic rod frame 5, wherein the base support rod structure 4 and the top support telescopic rod frame 5 are used as an installation foundation of the whole framework through the sleeve box body 1; meanwhile, the supporting platform structure 2 and the fixed bayonet structure 3 are matched and unfolded to effectively form a larger-area take-off and landing platform, so that the unmanned aerial vehicle is assisted to take off and land; in addition, can also effectively strengthen the stability of placing of joining in marriage the cover box 1 after expanding with the help of base vaulting pole structure 4 to can cooperate the top support telescopic link frame 5 to further support bearing platform structure 2 with the base vaulting pole structure 4 after expanding as the basis, and then realize with joining in marriage the direct expansion of cover box 1 and form the landing platform, promoted functional practicality and convenience. The specific arrangement is as follows:
referring to fig. 1 to 3, the mating box 1 includes a box base 11 and a protective box cover 12; wherein, the protective housing 12 is detachably sleeved and fixed on the housing base 11 to effectively form a predetermined matched housing 1 of the unmanned aerial vehicle, and is effectively used as a mounting foundation of the base supporting rod structure 4 and the top supporting telescopic rod frame 5 through the housing base 11, and is effectively used as a mounting foundation of the supporting platform structure 2 through the protective housing 12.
The supporting platform structure 2 comprises a central plate body 21, a side folding plate body 22, a first side main plate body 23, a first side auxiliary plate body 24, a second side main plate body 25, a second side auxiliary plate body 26, a connecting rotating shaft 27 and a clamping groove 28; the central plate 21, the side folding plate 22, the first side main plate 23, the first side auxiliary plate 24, the second side main plate 25 and the second side auxiliary plate 26 are rectangular plates, the central plate 21 is fixedly assembled on the top end surface of the protective case 12, and two opposite edges of the rectangular central plate 21 are respectively and correspondingly assembled with the side folding plate 22 through the connecting rotating shaft 27 in a one-to-one manner; the first side main board body 23 and the second side main board body 25 are respectively and correspondingly assembled on the other two opposite edges of the rectangular central board body 21 in a one-to-one correspondence manner through the connecting rotating shaft 27, the first side auxiliary board body 24 is respectively and correspondingly assembled on the two opposite edges of the first side main board body 23 in a one-to-one correspondence manner through the connecting rotating shaft 27, and the two groups of first side auxiliary board bodies 24 are respectively and correspondingly arranged between the two groups of side folding board bodies 22 adjacent to one side edge of the central board body 21 in a one-to-one correspondence manner; the two opposite edges of the second side main board body 25 are respectively and correspondingly fitted with the second side auxiliary board bodies 26 in a one-to-one correspondence through the connecting rotating shafts 27, and the two groups of second side auxiliary board bodies 26 are respectively and correspondingly arranged with the other side edges of the two groups of side folding board bodies 22 adjacent to the central board body 21 in a one-to-one correspondence manner; the rectangular large-area lifting platform is used for effectively forming a structural foundation of the rectangular large-area lifting platform after being unfolded through the arrangement.
Referring to fig. 3, the fixed bayonet structures 3 are provided with four groups, and each group of the fixed bayonet structures 3 includes a bayonet rod 31 and a positioning chute 32; the four sets of bayonet lock rods 31 are vertically and slidably assembled on two sets of side folding plate bodies 22 adjacent to two side edges of the central plate body 21, the four sets of positioning sliding grooves 32 are vertically and correspondingly arranged on two sets of side edges of the first side slave plate body 24 and the second side slave plate body 26, which are respectively connected with the side folding plate body 22, and the four sets of bayonet lock rods 31 and the four sets of positioning sliding grooves 32 are detachably and slidably assembled for fixing the side folding plate body 22 and the side slave plate body, so as to effectively fix the whole rectangular large-area lifting platform.
As a preferred solution of the present embodiment, referring to fig. 1 to 3, the central plate 21, the side folding plate 22, the first side main plate 23, the first side sub-plate 24, the second side main plate 25 and the second side sub-plate 26 have the same plate thickness and are all of a unit thickness; the two ends of one side edge of the first side main board body 23 corresponding to the central board body 21 are respectively smaller than two unit thicknesses of the corresponding side edge of the central board body 21, and the two ends of one side edge of the second side main board body 25 corresponding to the central board body 21 are respectively smaller than one unit thickness of the corresponding side edge of the central board body 21, so that when the supporting platform structure 2 is folded after being used, the board bodies can be folded regularly.
With continued reference to fig. 1 to 3, the base strut structures 4 are provided with four groups, and each group of base strut structures 4 includes a rail seat 41, a support sliding rod 42 and a receiving groove 43; wherein, four groups slide rail seat 41 all built-in connect in the bottom of case base 11, and four groups slide rail seat 41 respectively one-to-one orientation four angle ends of case base 11, four groups support slide bar 42 respectively one-to-one sliding fit in four groups slide rail seat 41 for with this the stability of placing of the box 1 of effectively promoting of four groups support slide bar 42 after utilizing stretching, reduce unmanned aerial vehicle and lean on the possibility that falls down and take place to empty to match the box 1.
The four groups of accommodating grooves 43 are provided with four groups of supporting sliding rods 42 in a one-to-one correspondence manner in an opening manner; the clamping grooves 28 are provided with four groups, and the four groups of clamping grooves 28 are respectively arranged on the two groups of first side slave plate bodies 24 and the two groups of second side slave plate bodies 26 in a one-to-one correspondence manner; the jack-up telescopic link frame 5 is equipped with four groups, four groups the one end of jack-up telescopic link frame 5 respectively one-to-one corresponds the switching assemble in four groups in holding groove 43 is kept away from the one end of slide rail seat 41, and four groups the other end of jack-up telescopic link frame 5 respectively one-to-one corresponds the card is located four groups in screens groove 28 for make jack-up telescopic link frame 5 can the holding groove 43, help saving occupation space, and can assist in supporting two sets of first sides from plate body 24 and two sets of second sides from plate body 26 after expanding, further promote unmanned aerial vehicle at rectangular lifting platform's lifting stability.
As another preferable solution of this embodiment, the support slide rod 42 is screwed to the bottom of one end far away from the slide rail seat 41, and the bolt height adjusting legs 6 are used for adjusting the height by using the bolt height adjusting legs 6 respectively, so as to keep the matching box 1 and the supporting platform structure 2 horizontal in complex road conditions.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (10)
1. Landing platform framework based on aerial survey unmanned aerial vehicle joins in marriage quick expansion of case, a serial communication port, include:
a sleeve box body;
the supporting platform structure is fixedly assembled on the top end face of the matching box body and comprises a plurality of groups of plate bodies, and the groups of plate bodies are arranged in a foldable and flat manner;
the base support rod structure is provided with a plurality of groups, and the base support rod structures are respectively arranged at the bottom of the matched box body in an extensible mode in different directions;
the top support telescopic rod frame is provided with a plurality of groups, and the top support telescopic rod frame is respectively arranged between the base support rod structure and the bearing platform structure in a one-to-one correspondence clamping position supporting mode.
2. The rapid-deployment take-off and landing platform architecture based on the aerial survey unmanned aerial vehicle kit of claim 1, wherein,
the matched box body comprises a box base and a protective box cover;
the protective box cover is detachably sleeved and fixedly arranged on the box base;
the supporting platform structure is fixedly connected and assembled on the top end face of the protective box cover, and a plurality of groups of base supporting rod structures are respectively arranged at the bottom of the box base in an extensible mode in different directions.
3. The rapid-deployment take-off and landing platform architecture based on the aerial survey unmanned aerial vehicle kit of claim 2, wherein,
the bearing platform structure also comprises a connecting rotating shaft; the plurality of groups of plate bodies comprise a central plate body, a side folding plate body, a first side main plate body, a first side slave plate body, a second side main plate body and a second side slave plate body;
the central plate body, the side folding plate body, the first side main plate body, the first side auxiliary plate body, the second side main plate body and the second side auxiliary plate body are rectangular plate bodies;
the central plate body is fixedly connected and assembled on the top end surface of the protective box cover, and two opposite edges of the rectangular central plate body are respectively and correspondingly connected and assembled with the side folding plate body through the connecting rotating shaft in a one-to-one mode;
the first side main board body and the second side main board body are respectively and correspondingly assembled on the other two opposite edges of the rectangular central board body in a one-to-one mode through the connecting rotating shafts in a transfer mode, and the two opposite edges of the first side main board body are respectively and correspondingly assembled with the first side slave board body in a one-to-one mode through the connecting rotating shafts in a transfer mode;
the two groups of first side slave plate bodies are respectively and correspondingly connected with the edges of one side of the two groups of side folding plate bodies adjacent to the central plate body;
the two opposite edges of the second side main board body are respectively and correspondingly provided with the second side slave board body in a one-to-one correspondence through the connecting rotating shaft;
the two groups of second side slave plate bodies are respectively and correspondingly connected with the edges of the other sides of the two groups of side folding plate bodies adjacent to the central plate body.
4. The take-off and landing platform architecture based on rapid deployment of a geodetic unmanned aerial vehicle kit of claim 3, further comprising:
the fixed bayonet lock structure is provided with four groups, and the four groups of fixed bayonet lock structures are respectively assembled between the side folding plate body and the first side slave plate body and between the side folding plate body and the second side slave plate body.
5. The rapid-deployment take-off and landing platform architecture based on a transom unmanned aerial vehicle kit of claim 4, wherein,
each group of fixed bayonet lock structure comprises a bayonet lock rod and a positioning chute;
the four groups of bayonet lock rods are vertically and slidably assembled on two groups of side folding plate bodies adjacent to the two side edges of the central plate body in a one-to-one correspondence manner respectively;
the four groups of positioning sliding grooves are vertically arranged at one side edge of the two groups of first side slave plate bodies and one side edge of the two groups of second side slave plate bodies, which are respectively connected with the side folding plate bodies, in one-to-one correspondence; and the four groups of bayonet lock rods and the four groups of positioning sliding grooves are in one-to-one correspondence and separable type phase sliding clamping assembly.
6. The landing platform architecture based on rapid deployment of a geodetic unmanned aerial vehicle kit according to claim 3, wherein,
the central plate body, the side folding plate body, the first side main plate body, the first side slave plate body, the second side main plate body and the second side slave plate body are the same in thickness and are all of a unit thickness;
the two ends of one side edge of the first side main plate body corresponding to the central plate body are respectively smaller than two unit thicknesses of the corresponding side edge of the central plate body, and the two ends of one side edge of the second side main plate body corresponding to the central plate body are respectively smaller than one unit thickness of the corresponding side edge of the central plate body.
7. The landing platform architecture based on rapid deployment of a geodetic unmanned aerial vehicle kit according to claim 3, wherein,
the base support rod structures are provided with four groups, and each group of base support rod structures comprises a slide rail seat and a support slide rod;
the four groups of slide rail seats are fixedly connected to the bottom of the box base in an embedded manner, and face the four corner ends of the box base in a one-to-one correspondence manner;
the four groups of support sliding rods are respectively and correspondingly assembled on the four groups of slide rail seats in a one-to-one sliding manner.
8. The rapid-deployment take-off and landing platform architecture based on a transom unmanned aerial vehicle kit of claim 7,
the base stay bar structure further comprises a containing groove;
the four groups of accommodating grooves are provided with four groups of supporting sliding rods in a one-to-one correspondence manner in an opening mode;
the four groups of the top support telescopic rod frames are arranged, one ends of the four groups of the top support telescopic rod frames are respectively and correspondingly connected and assembled at one end parts of the four groups of the containing grooves, which are far away from the slide rail seat, and the other ends of the four groups of the top support telescopic rod frames are correspondingly clamped at two groups of the first side slave plate bodies and two groups of the second side slave plate bodies.
9. The rapid-deployment take-off and landing platform architecture based on the aerial survey unmanned aerial vehicle kit of claim 8, wherein,
two groups of first side slave plate bodies and two groups of second side slave plate bodies are respectively provided with clamping grooves;
the other ends of the four groups of top support telescopic rod frames are respectively clamped in the four groups of clamping grooves in a one-to-one correspondence mode.
10. The rapid-deployment take-off and landing platform architecture based on a transom unmanned aerial vehicle kit of claim 7,
the support slide bar is provided with a bolt height-adjusting support leg at the bottom of one end far away from the slide rail seat in a threaded manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320953834.9U CN219904771U (en) | 2023-04-25 | 2023-04-25 | Taking-off and landing platform framework based on rapid unfolding of aerial survey unmanned aerial vehicle matching box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320953834.9U CN219904771U (en) | 2023-04-25 | 2023-04-25 | Taking-off and landing platform framework based on rapid unfolding of aerial survey unmanned aerial vehicle matching box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219904771U true CN219904771U (en) | 2023-10-27 |
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ID=88436347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320953834.9U Active CN219904771U (en) | 2023-04-25 | 2023-04-25 | Taking-off and landing platform framework based on rapid unfolding of aerial survey unmanned aerial vehicle matching box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219904771U (en) |
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2023
- 2023-04-25 CN CN202320953834.9U patent/CN219904771U/en active Active
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