CN217636009U - Sterilizing machine with shading structure - Google Patents
Sterilizing machine with shading structure Download PDFInfo
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- CN217636009U CN217636009U CN202221162492.0U CN202221162492U CN217636009U CN 217636009 U CN217636009 U CN 217636009U CN 202221162492 U CN202221162492 U CN 202221162492U CN 217636009 U CN217636009 U CN 217636009U
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- ventilation structure
- shading
- lamp
- ring
- support
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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- Disinfection, Sterilisation Or Deodorisation Of Air (AREA)
Abstract
The utility model relates to an air purification equipment field especially relates to a sterilizing machine with shading structure, and it includes support, UV lamp and ventilation structure, be equipped with the UV lamp in the support, support upper end and ventilation structure butt joint, be equipped with shading ring in the ventilation structure, the light that the UV lamp jetted out towards the ventilation structure is sheltered from by shading ring. The shading ring and the UV lamp are arranged separately, and the bracket is used as a component for installing the UV lamp, so that the shading ring is not required to be disassembled when the UV lamp is replaced; meanwhile, the shading ring can keep shading the leaked ultraviolet rays in the ventilation structure.
Description
Technical Field
The utility model relates to an air purification equipment field especially relates to a sterilizing machine with light-shading structure.
Background
In the prior art, the disinfection machine generally adopts the mode of ultraviolet lamp irradiation to inactivate bacteria and viruses in the air, so that an ultraviolet lamp is required to be arranged inside the disinfection machine and a corresponding air outlet is required to be arranged. In the existing design, because the air is supplied by the base of the sterilizer, the ultraviolet lamp in the sterilizer is sterilized, and the air is discharged from the upper end of the sterilizer, so that the light of the ultraviolet lamp is easy to leak from the air outlet, and the human body can be harmed to a certain extent. The chinese patent with application number CN213542783U discloses a disinfection machine with an air guide shading ring, which shields the leaked ultraviolet light by arranging the air guide shading ring in the disinfection machine, but a through hole for inserting an ultraviolet lamp is arranged in the middle of the air guide shading ring, so that the ultraviolet lamp needs to be integrally disassembled when being replaced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that: the utility model provides a disconnect-type, the sterilizer that has light-shielding structure of convenient dismantlement.
In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a sterilizing machine with shading structure, includes support, UV lamp and ventilation structure, be equipped with the UV lamp in the support, support upper end and ventilation structure butt joint, be equipped with shading ring in the ventilation structure, the light that the UV lamp jetted out towards the ventilation structure is sheltered from by shading ring.
Further, the peripheral surface of the light shielding ring is concave towards the axis of the light shielding ring, and the diameter of one end, far away from the UV lamp, of the light shielding ring is smaller than that of one end, close to the UV lamp, of the light shielding ring.
Further, the ventilation structure includes ventilation structure and lower ventilation structure, go up ventilation structure and be connected with lower ventilation structure, be equipped with shading ring in the lower ventilation structure, the support upper end is connected with lower ventilation structure, upward be equipped with the fan subassembly in the ventilation structure.
Furthermore, the upper ventilation structure and the lower ventilation structure are both cylindrical, and the lower end of the upper ventilation structure is butted with the upper end of the lower ventilation structure; the lower end of the upper ventilation structure is provided with a convex circular ring and baffles, the baffles are arranged around the convex circular ring at intervals, and a gap which is in accordance with the insertion connection of the upper end of the lower ventilation structure is formed between the baffles and the convex circular ring; the upper end of the lower ventilation structure is inserted between the protruding circular ring and the baffle.
Furthermore, the upper ventilation structure is provided with a guide post, the lower ventilation structure is provided with a guide seat, and a through hole in butt joint with the guide post is formed in the guide seat.
Furthermore, the cross-sectional area of the ventilation structure at the joint of the upper ventilation structure and the lower ventilation structure is smaller than that of the ventilation structure at one end of the upper ventilation structure and the lower ventilation structure far away from the joint.
The wind guide support is arranged at the upper end of the upper ventilation structure; the wind guide support is internally provided with a motor, and the wind wheel is arranged at one end of the wind guide support close to the upper ventilation structure and is positioned in the upper ventilation structure.
Furthermore, the lower end of the air guide support is in butt joint with the upper end of the upper ventilation structure; the lower end of the air guide bracket is provided with a butt joint groove corresponding to the upper end of the upper ventilation structure; the upper end of the upper ventilation structure is provided with two guide plates, the length direction of the guide plates is parallel to the butt joint direction of the air guide bracket and the upper ventilation structure, and the upper ventilation structure part between the guide plates is provided with a clamping protrusion; and a clamping block is arranged on the air guide support between two corresponding guide plates and matched with the clamping protrusion.
Furthermore, an ear seat is arranged at the lower end of the air guide support, and an insertion opening is formed in the ear seat; and the upper ventilation structure is provided with an inserting plate matched with the upper ventilation structure corresponding to the inserting opening.
Further, the upper end of the bracket is inserted into the lower ventilation structure.
The beneficial effects of the utility model reside in that: the shading ring and the UV lamp are arranged separately, and the bracket is used as a component for installing the UV lamp, so that the shading ring is not required to be disassembled when the UV lamp is replaced; meanwhile, the shading ring can keep shading the leaked ultraviolet rays in the ventilation structure.
Drawings
FIG. 1 is a schematic structural view of a sterilizer with a light-shielding structure according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a sterilizer with a light blocking structure according to an embodiment of the present invention;
fig. 3 is a schematic structural view of a support, a ventilation structure and a guide support of a disinfection machine with a light-shielding structure according to an embodiment of the present invention;
fig. 4 is an exploded view of the disinfection machine with a light shielding structure according to the embodiment of the present invention after the ventilation structure, the guide bracket and the wind wheel are matched;
FIG. 5 is a schematic structural view of a lower ventilation structure of a sterilizer with a light shielding structure according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of an upper ventilation structure of a sterilizer with a light shielding structure according to an embodiment of the present invention;
fig. 7 is a schematic structural view of an air guide support of a sterilizer with a light shielding structure according to an embodiment of the present invention.
Description of reference numerals:
1. a support;
2. an upper ventilation structure; 21. a projecting circular ring; 22. a baffle plate; 23. a guide post; 24. a guide plate; 25. clamping and connecting the projections; 26. inserting plates;
3. a lower ventilation structure; 31. a guide seat; 4. a shading ring; 5. an air guide bracket; 51. butting the grooves; 52. a clamping block; 53. an ear mount; 6. and a wind wheel.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 7, a sterilizer with a light shielding structure includes a support 1, a UV lamp and a ventilation structure, the UV lamp is disposed in the support 1, the upper end of the support 1 is butted with the ventilation structure, a light shielding ring 4 is disposed in the ventilation structure, and light emitted from the UV lamp toward the ventilation structure 3 is shielded by the light shielding ring 4.
From the above description, the beneficial effects of the present invention are: the shading ring 4 is arranged separately from the UV lamp, and the bracket 1 is used as a component for installing the UV lamp, so that the shading ring 4 is not required to be disassembled when the UV lamp is replaced; meanwhile, the shading ring 4 can keep shading the leaked ultraviolet rays in the ventilation structure.
Further, the peripheral surface of the light-shielding ring 4 is concave towards the axis, and the diameter of the end, far away from the UV lamp, of the light-shielding ring 4 is smaller than that of the end, close to the UV lamp, of the light-shielding ring.
As can be seen from the above description, the concave arrangement of the peripheral surface of the light-shielding ring 4 makes the peripheral surface of the light-shielding ring 4 have a guiding function for the air flow, and the arrangement of the light-shielding ring 4 away from one end of the UV lamp and close to the diameter of one end of the UV lamp makes the air passing through the light-shielding ring 4 faster in flow speed due to the smaller cross section.
Further, the ventilation structure includes ventilation structure 2 and lower ventilation structure 3, go up ventilation structure 2 and be connected with lower ventilation structure 3, be equipped with shading ring 4 in the lower ventilation structure 3, 1 upper end of support is connected with lower ventilation structure 3, be equipped with the fan subassembly in going up ventilation structure 2.
As can be seen from the above description, the ventilation structures are designed as the upper ventilation structure 2 and the lower ventilation structure 3, and the design of the multiple ventilation structures can facilitate transportation and assembly, and meanwhile, a certain ventilation structure can be maintained and replaced in a targeted manner; arrange shading ring 4, fan subassembly respectively in different ventilation structure, the space in each ventilation structure of rational utilization avoids setting up too much subassembly in the same ventilation structure and influences the air flow.
Further, the upper ventilation structure 2 and the lower ventilation structure 3 are both cylindrical, and the lower end of the upper ventilation structure 2 is butted with the upper end of the lower ventilation structure 3; the lower end of the upper ventilation structure 2 is provided with a convex circular ring 21 and baffles 22, the baffles 22 are arranged around the convex circular ring 21 at intervals, and a gap which is in accordance with the insertion connection of the upper end of the lower ventilation structure 3 is formed between the baffles 22 and the convex circular ring 21; the upper end of the lower ventilation structure 3 is inserted between the protruding ring 21 and the baffle 22.
As can be seen from the above description, the upper and lower ventilation structures 2 and 3 are in quick-detachable engagement; through the structure of the protruding ring 21 and the baffle 22 that the lower extreme of the upper ventilation structure 2 set up, form the butt joint clearance between protruding ring 21 and the baffle 22, can be convenient fast with the location grafting of lower ventilation structure 3.
Furthermore, the upper ventilation structure 2 is provided with a guide post 23, the lower ventilation structure 3 is provided with a guide seat 31, and a through hole in butt joint with the guide post 23 is formed in the guide seat 31.
As can be seen from the above description, since the gap between the protruding ring 21 and the baffle 22 is not too large, that is, the wall thickness of the ventilation structure itself is small, the positioning and mounting structure of the guide post 23 and the guide seat 31, which are additionally provided, can help the user to assemble the upper ventilation structure 2 and the lower ventilation structure 3 more conveniently.
Further, the cross-sectional area of the ventilation structure at the joint of the upper ventilation structure 2 and the lower ventilation structure 3 is smaller than that of the ventilation structure at the end of the upper ventilation structure 2 and the lower ventilation structure 3 away from the joint.
As can be seen from the above description, the sectional area of the middle part of the ventilation structure formed by the upper ventilation structure 2 and the lower ventilation structure 3 is smaller due to the design of the sectional area of the ventilation structure, so that the flow speed of the air can be increased to be rapidly taken out by the fan assembly in the upper ventilation structure 2.
Further, the wind guiding structure also comprises a wind guiding support 5, the fan assembly comprises a motor and a wind wheel 6 in transmission connection with the motor, and the wind guiding support 5 is arranged at the upper end of the upper ventilation structure 2; the wind guide support 5 is internally provided with a motor, and the wind wheel 6 is arranged at one end of the wind guide support 5 close to the upper ventilation structure 2 and is positioned in the upper ventilation structure 2.
As can be seen from the above description, the wind guide bracket 5 is internally provided with a motor for driving the wind wheel 6 to rotate, and the wind wheel 6 is arranged in the upper ventilation structure 2 so as to rapidly take away air in the ventilation structure; similarly, the structure of multiple components avoids the inconvenience of disassembly, assembly and transportation brought by the integrated structure.
Further, the lower end of the air guide bracket 5 is butted with the upper end of the upper ventilation structure 2; the lower end of the air guide bracket 5 is provided with a butt joint groove 51 corresponding to the upper end of the upper ventilation structure 2; the upper end of the upper ventilation structure 2 is provided with two guide plates 24, the length direction of the guide plates 24 is parallel to the butt joint direction of the air guide bracket 5 and the upper ventilation structure 2, and a clamping protrusion 25 is arranged on the part, between the guide plates 24, of the upper ventilation structure 2; a clamping block 52 is arranged between the two corresponding guide plates 24 on the air guide support 5, and the clamping block 52 is matched with the clamping protrusion 25.
As can be seen from the above description, the wind guide bracket 5 and the upper ventilation structure 2 are in a matching structure of quick connection and butt joint. The upper ventilation structure 2 can be quickly butted with the air guide bracket 5 through a butting groove 51 arranged on the air guide bracket; and two deflectors 24 that go up ventilation structure 2 and set up can regard as the locating component of the joint piece 52 of wind-guiding support 5, finally by the cooperation of joint piece 52 with joint protrusion 25, realize being connected between them.
Furthermore, an ear seat 53 is arranged at the lower end of the air guide bracket 5, and an insertion opening is arranged on the ear seat 53; the upper ventilation structure 2 is provided with an inserting plate 26 matched with the upper ventilation structure corresponding to the inserting opening.
As can be seen from the above description, not only the engagement of the engagement block 52 on the air guide bracket 5 and the engagement protrusion 25 of the upper ventilation structure 2, but also the insertion plate 26 is disposed at the upper ventilation structure 2 to engage with the ear seat 53 on the air guide bracket 5, and the stable connection between the two is ensured through the mutual engagement structure of the two.
Further, the upper end of the bracket 1 is inserted into the lower ventilation structure 3.
As can be seen from the above description, the plug-in arrangement of the bracket 1 and the lower ventilation structure 3 facilitates a quick assembly of the device.
Referring to fig. 1 to 7, a first embodiment of the present invention is:
the utility model discloses an use the scene to do: the traditional sterilizer is easy to cause ultraviolet light to be easily leaked from the air outlet because the air outlet at the upper side of the traditional sterilizer is opposite to the ultraviolet lamp at the inner side of the traditional sterilizer; and the disinfection machine with the shading structure is complex in disassembly and assembly because the shading structure of the disinfection machine is matched with the ultraviolet lamp, so that the ultraviolet lamp is replaced and other accessories such as the shading structure and the like need to be disassembled.
As shown in fig. 1 to 7, the sterilizing machine with the light shielding structure of the present embodiment includes a housing, and a support 1, a UV lamp, a ventilation structure and an air guide support 5 arranged in the housing, wherein the UV lamp is arranged in the support 1, the upper end of the support 1 is butted with the ventilation structure, a light shielding ring 4 is arranged in the ventilation structure, and light emitted by the UV lamp towards the ventilation structure 3 is shielded by the light shielding ring 4. The peripheral surface of the light shielding ring 4 is concave towards the axis, and the diameter of one end, far away from the UV lamp, of the light shielding ring 4 is smaller than that of one end, close to the UV lamp, of the light shielding ring.
As shown in fig. 3, the ventilation structure includes an upper ventilation structure 2 and a lower ventilation structure 3, the upper ventilation structure 2 is connected with the lower ventilation structure 3, a shading ring 4 is arranged in the lower ventilation structure 3, the upper end of the support 1 is connected with the lower ventilation structure 3, and a fan assembly is arranged in the upper ventilation structure 2. The upper end of the bracket 1 is inserted with the lower ventilation structure 3. And the lower ventilation structure 3 is fixedly inserted into the inner wall of the shell.
As shown in fig. 3 to 6, the upper ventilation structure 2 and the lower ventilation structure 3 are both cylindrical, and the lower end of the upper ventilation structure 2 is butted with the upper end of the lower ventilation structure 3; the lower end of the upper ventilation structure 2 is provided with a convex circular ring 21 and baffles 22, the baffles 22 are arranged around the convex circular ring 21 at intervals, and a gap which is in accordance with the insertion connection of the upper end of the lower ventilation structure 3 is formed between the baffles 22 and the convex circular ring 21; the upper end of the lower ventilation structure 3 is inserted between the protruding ring 21 and the baffle 22. The upper ventilation structure 2 is provided with a guide post 23, the lower ventilation structure 3 is provided with a guide seat 31, and a through hole in butt joint with the guide post 23 is formed in the guide seat 31.
The cross-sectional area of the ventilation structure at the joint of the upper ventilation structure 2 and the lower ventilation structure 3 is smaller than that of the ventilation structure at one end of the upper ventilation structure 2 and the lower ventilation structure 3 away from the joint.
As shown in fig. 4, the fan assembly includes a motor and a wind wheel 6 in transmission connection with the motor, and the wind guide bracket 5 is arranged at the upper end of the upper ventilation structure 2; the wind guide support 5 is internally provided with a motor, and the wind wheel 6 is arranged at one end of the wind guide support 5 close to the upper ventilation structure 2 and is positioned in the upper ventilation structure 2.
As shown in fig. 4, 6 and 7, the lower end of the air guide bracket 5 is butted against the upper end of the upper ventilation structure 2; the lower end of the air guide bracket 5 is provided with a butt joint groove 51 corresponding to the upper end of the upper ventilation structure 2; the upper end of the upper ventilation structure 2 is provided with two guide plates 24, the length direction of the guide plates 24 is parallel to the butt joint direction of the air guide bracket 5 and the upper ventilation structure 2, and a clamping protrusion 25 is arranged on the part of the upper ventilation structure 2 between the guide plates 24; a clamping block 52 is arranged between the two corresponding guide plates 24 on the air guide support 5, and the clamping block 52 is matched with the clamping protrusion 25.
As shown in fig. 7, an ear seat 53 is provided at the lower end of the air guide bracket 5, and an insertion opening is provided on the ear seat 53; the upper ventilation structure 2 is provided with an inserting plate 26 matched with the upper ventilation structure corresponding to the inserting opening.
The utility model discloses a theory of operation: the shading ring 4 is arranged in the lower ventilation structure 3, so that ultraviolet light leaked from the UV lamp towards the lower ventilation structure 3 is shaded by the shading ring 4; meanwhile, the arrangement that the shading ring 4 is separated from the UV lamp is adopted, so that only the support 1 needs to be disassembled when the UV lamp is replaced, and ventilation structures such as the shading ring 4 do not need to be disassembled; the shading ring 4 forms a guide structure with a concave peripheral surface, and the design of the diameter of the guide structure enables the flow velocity to be accelerated through air, so that the updating of the air around the UV lamp is accelerated.
The upper ventilation structure 2, the lower ventilation structure 3 and the air guide bracket 5 are in different plug-in connection forms, so that rapid assembly is realized; the lower ventilation structure 3 is connected with the upper ventilation structure 2, a gap between a convex circular ring 21 and a baffle 22 arranged on the upper ventilation structure 2 is used as a butt joint gap of the lower ventilation structure 3, and the installation and positioning are realized through the matching of a guide column 23 arranged on the upper ventilation structure 2 and a guide seat 31 of the lower ventilation structure 3; in last ventilation structure 2 and wind guide support 5's being connected, dock recess 51 and last ventilation structure 2 butt joint through setting up on the wind guide support 5, joint piece 52 on the wind guide support 5 is led respectively through the deflector 24 that sets up on the last ventilation structure 2 and joint protrusion 25, the joint, furthermore, to on the wind guide support 5 because set up the great influence assembly of rocking that the fan subassembly probably leads to stable, it pegs graft with the ear seat 53 on the wind guide support 5 still to set up picture peg 26 on the last ventilation structure 2.
In summary, the disinfection machine with the shading structure provided by the utility model has the advantages that the shading ring and the UV lamp are separately arranged, and the bracket is used as a part for installing the UV lamp, so that the shading ring is not required to be disassembled when the UV lamp is replaced; meanwhile, the shading ring can keep shading the leaked ultraviolet rays in the ventilation structure.
The above mentioned is only the embodiment of the present invention, and the patent scope of the present invention is not limited thereby, and all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (10)
1. The utility model provides a sterilizing machine with shading structure which characterized in that, includes support, UV lamp and ventilation structure, be equipped with the UV lamp in the support, support upper end and ventilation structure butt joint, be equipped with shading ring in the ventilation structure, the light that the UV lamp jetted out towards the ventilation structure is sheltered from by shading ring.
2. The sterilizer of claim 1, wherein the peripheral surface of said light-shielding ring is recessed toward the axis thereof, and the diameter of the light-shielding ring at the end remote from the UV lamp is smaller than the diameter thereof at the end close to the UV lamp.
3. The disinfection machine with a shading structure according to claim 1, wherein the ventilation structure comprises an upper ventilation structure and a lower ventilation structure, the upper ventilation structure is connected with the lower ventilation structure, a shading ring is arranged in the lower ventilation structure, the upper end of the support is connected with the lower ventilation structure, and a fan assembly is arranged in the upper ventilation structure.
4. The disinfection machine with a shading structure according to claim 3, wherein the upper ventilation structure and the lower ventilation structure are both cylindrical, and the lower end of the upper ventilation structure is butted with the upper end of the lower ventilation structure; the lower end of the upper ventilation structure is provided with a convex circular ring and baffles, the baffles are arranged around the convex circular ring at intervals, and a gap which is in accordance with the insertion connection of the upper end of the lower ventilation structure is formed between the baffles and the convex circular ring; the upper end of the lower ventilation structure is inserted between the protruding circular ring and the baffle.
5. The disinfection machine with the shading structure as claimed in claim 4, wherein the upper ventilation structure is provided with a guiding post, the lower ventilation structure is provided with a guiding seat, and the guiding seat is provided with a through hole in butt joint with the guiding post.
6. The disinfection machine having a shade structure according to claim 3, wherein the cross-sectional area of the vent structure at the junction of the upper vent structure and the lower vent structure is smaller than the cross-sectional area of the vent structure at the end of the upper vent structure and the lower vent structure away from the junction.
7. The disinfection machine with the shading structure as claimed in claim 4, further comprising a wind guide bracket, wherein the fan assembly comprises a motor and a wind wheel in transmission connection with the motor, and the wind guide bracket is arranged at the upper end of the upper ventilation structure; the wind guide support is internally provided with a motor, and the wind wheel is arranged at one end of the wind guide support close to the upper ventilation structure and is positioned in the upper ventilation structure.
8. The disinfection machine with a shading structure as claimed in claim 7, wherein the lower end of said wind guide bracket is butted with the upper end of the upper ventilating structure; the lower end of the air guide bracket is provided with a butt joint groove corresponding to the upper end of the upper ventilation structure; the upper end of the upper ventilation structure is provided with two guide plates, the length direction of the guide plates is parallel to the butt joint direction of the air guide bracket and the upper ventilation structure, and the upper ventilation structure part between the guide plates is provided with a clamping protrusion; the air guide support is provided with a clamping block between two corresponding guide plates, and the clamping block is matched with the clamping protrusion.
9. The disinfection machine with the shading structure as claimed in claim 8, wherein the lower end of the wind guide bracket is provided with an ear seat, and the ear seat is provided with a socket; and the upper ventilation structure is provided with an inserting plate matched with the upper ventilation structure corresponding to the inserting opening.
10. The disinfection machine having a shade structure according to claim 3, wherein the upper end of the rack is plugged with the lower ventilation structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221162492.0U CN217636009U (en) | 2022-05-16 | 2022-05-16 | Sterilizing machine with shading structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221162492.0U CN217636009U (en) | 2022-05-16 | 2022-05-16 | Sterilizing machine with shading structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217636009U true CN217636009U (en) | 2022-10-21 |
Family
ID=83652879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221162492.0U Active CN217636009U (en) | 2022-05-16 | 2022-05-16 | Sterilizing machine with shading structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217636009U (en) |
-
2022
- 2022-05-16 CN CN202221162492.0U patent/CN217636009U/en active Active
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