CN220352274U - Anode box, anode box assembly and horizontal electroplating tank - Google Patents
Anode box, anode box assembly and horizontal electroplating tank Download PDFInfo
- Publication number
- CN220352274U CN220352274U CN202321644059.5U CN202321644059U CN220352274U CN 220352274 U CN220352274 U CN 220352274U CN 202321644059 U CN202321644059 U CN 202321644059U CN 220352274 U CN220352274 U CN 220352274U
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- 238000009713 electroplating Methods 0.000 title abstract description 16
- 230000000903 blocking effect Effects 0.000 claims abstract description 25
- 238000007747 plating Methods 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000012528 membrane Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 description 9
- 238000000576 coating method Methods 0.000 description 9
- 238000009825 accumulation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000007888 film coating Substances 0.000 description 2
- 238000009501 film coating Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
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- Electroplating Methods And Accessories (AREA)
Abstract
The utility model discloses an anode box, an anode box assembly and a horizontal electroplating bath, wherein the anode box comprises a main body, a diaphragm, a flow guide piece and a blocking piece, the main body is provided with a containing cavity, the containing cavity is used for containing the anode piece, the diaphragm is arranged on the main body, the flow guide piece is contained in the containing cavity and is positioned below the diaphragm, one end of the flow guide piece and one end of the diaphragm are enclosed to form an exhaust port, the exhaust port is used for discharging bubbles in the containing cavity, the blocking piece is connected with the main body, the blocking piece is arranged at two ends of the diaphragm in the width direction so as to block the bubbles in the containing cavity from being discharged along the width direction of the diaphragm, and therefore, by arranging the flow guide piece and the blocking piece, the bubbles in the containing cavity can be guided to be discharged from the exhaust port to the outside of the anode box so as to reduce the discharge of part of the bubbles from one end of the diaphragm in the width direction, the bubbles can be collected and directionally discharged along the length direction of the diaphragm, the occurrence of the contact of the bubbles with the surface of a piece to be plated can be reduced, and the film plating quality of the piece to be improved.
Description
Technical Field
The utility model relates to the technical field of electroplating, in particular to an anode box, an anode box assembly and a horizontal electroplating tank.
Background
In order to avoid the contact between the bubbles of the electroplating solution and the surface of the workpiece to be plated, the conventional anode box is generally provided with a diaphragm, and the diaphragm can guide the bubbles to be discharged from the left side and the right side of the workpiece to be plated so as to avoid the bubbles from floating up to be in contact with the surface of the workpiece to be plated. Because the bubbles float upwards to be in an irregular state, part of the bubbles are easy to avoid the diaphragm and directly contact with the workpiece to be plated, so that the quality of the film coating of the workpiece to be plated is poor.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the anode box which can improve the coating quality of the to-be-coated piece.
The utility model also provides an anode box assembly with the anode box.
According to the anode box, the anode box comprises a main body, a diaphragm, a flow guide piece and a blocking piece, wherein the main body is provided with a containing cavity for containing the anode piece, the diaphragm is arranged in the main body, the flow guide piece is contained in the containing cavity and is positioned below the diaphragm, the flow guide piece and one end of the diaphragm in the length direction are enclosed to form an exhaust port, the exhaust port is used for discharging bubbles in the containing cavity, the blocking piece is connected with the main body, and both ends of the diaphragm in the width direction are provided with the blocking piece so as to block the bubbles in the containing cavity from being discharged along the width direction of the diaphragm.
The anode box according to the embodiment of the first aspect of the utility model has at least the following beneficial effects:
during electroplating, the anode box is positioned in the groove body, the piece to be plated is positioned above the anode box, and the guide piece and the blocking piece are arranged, so that air bubbles floating upwards can only be discharged from the exhaust port along the lower surface of the diaphragm and cannot be discharged from one end of the width direction of the diaphragm, air bubbles can be collected, so that the air bubbles are discharged from one end of the length direction of the diaphragm in a directional manner, the occurrence of the condition that the air bubbles are contacted with the surface of the piece to be plated can be reduced, and the coating quality of the piece to be plated is improved.
According to some embodiments of the utility model, an end of the flow guiding member, which is close to the middle position of the diaphragm, is arranged obliquely downwards, and an end of the flow guiding member, which is far away from the middle position of the diaphragm, is enclosed with an end of the diaphragm to form the exhaust port.
According to some embodiments of the utility model, the flow guide members are arranged in two, and the two flow guide members are oppositely arranged along the length direction of the diaphragm.
According to some embodiments of the utility model, the membrane is uniform in overall thickness.
According to some embodiments of the utility model, the housing is configured to receive the diaphragm, and the diaphragm is configured to project into the housing.
According to some embodiments of the utility model, a surface of the diaphragm facing away from the shutter is curved concave towards the shutter.
According to some embodiments of the utility model, the surface of the diaphragm facing away from the shutter has a generally V-shaped flat curve projected on a plane perpendicular to the direction of travel of the workpiece.
According to some embodiments of the utility model, the main body comprises a cover plate, a first connecting frame and a second connecting frame, the first connecting frame is arranged opposite to the second connecting frame, the first connecting frame is connected with one end of the cover plate, the second connecting frame is connected with the other end of the cover plate, the first connecting frame, the cover plate and the second connecting frame enclose to form the accommodating cavity, the diaphragm is attached to the cover plate, the diaphragm is positioned below the cover plate, and the blocking piece is connected with the cover plate.
According to some embodiments of the utility model, the cover plate is provided with a plurality of through holes, and a plurality of through holes face the diaphragm.
According to some embodiments of the utility model, the cover plate is connected with two first pressing pieces and two second pressing pieces, the two first pressing pieces are oppositely arranged, the two second pressing pieces are oppositely arranged, and the two first pressing pieces and the two second pressing pieces can press the periphery of the diaphragm.
An anode cartridge assembly according to an embodiment of the second aspect of the utility model comprises at least one anode member and an anode cartridge as described in the above embodiments.
An anode cartridge assembly according to an embodiment of the second aspect of the utility model has at least the following advantageous effects:
during electroplating, the anode part is accommodated in the accommodating cavity, the anode box is positioned in the groove body, the part to be plated is positioned above the anode box, and the air bubble floating upwards can only be discharged from the exhaust port along the lower surface of the diaphragm and cannot be discharged from one end of the width direction of the diaphragm by arranging the flow guide part and the blocking part, so that the occurrence of the condition that the air bubble contacts with the surface of the part to be plated can be reduced, and the coating quality of the part to be plated is improved.
An anode cartridge assembly according to an embodiment of the third aspect of the present utility model comprises a tank body and the anode cartridge described in the above embodiment.
An anode cartridge assembly according to an embodiment of the third aspect of the present utility model has at least the following advantageous effects:
during electroplating, the anode part is accommodated in the accommodating cavity, the anode box is positioned in the groove body, the part to be plated is positioned above the anode box, and the air bubble floating upwards can only be discharged from the exhaust port along the lower surface of the diaphragm and cannot be discharged from one end of the width direction of the diaphragm by arranging the flow guide part and the blocking part, so that the occurrence of the condition that the air bubble contacts with the surface of the part to be plated can be reduced, and the coating quality of the part to be plated is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of an anode cartridge according to an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic view of a horizontal plating tank according to an embodiment of the utility model;
fig. 4 is a top view of an anode cartridge according to an embodiment of the present utility model.
Reference numerals:
the device comprises a containing cavity 101, an exhaust port 102, a cover plate 110, a second through hole 111, a first connecting frame 120, a second connecting frame 130, a first pressing piece 140, a second pressing piece 150, a diaphragm 200, a flow guiding piece 300, a blocking piece 400, a shielding piece 500, an anode piece 600, a tank body 700 and a piece 800 to be plated.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1 to 4, an anode box according to an embodiment of the present utility model includes a main body, a diaphragm 200, a flow guide 300 and a blocking member 400, where the main body is provided with a receiving chamber 101, the receiving chamber 101 is used for receiving an anode member 600, the diaphragm 200 is disposed on the main body, the flow guide 300 is received in the receiving chamber 101 and is located below the diaphragm 200, the flow guide 300 and one end of the diaphragm 200 enclose to form an exhaust port 102, the exhaust port 102 is used for discharging bubbles in the receiving chamber 101, the blocking member 400 is connected with the main body, and the blocking member 400 is disposed at one end of the diaphragm 200 in a width direction to block the bubbles in the receiving chamber 101 from being discharged along the width direction of the diaphragm 200, so that by disposing the flow guide 300 and the blocking member 400, the bubbles in the receiving chamber 101 can be guided to be discharged from the exhaust port 102 to the outside of the anode box, so as to reduce the discharge of part of the bubbles from one end of the diaphragm 200 in the width direction, and reduce the occurrence of contact between the bubbles and the surface of the to be plated member 800, thereby improving the plating quality of the to be plated member 800.
Specifically, during electroplating, the anode box is located in the electroplating tank, the piece 800 to be plated is located above the anode box, and by setting the flow guide piece 300 and the blocking piece 400, the floating air bubbles can only be discharged from the air outlet 102 along the lower surface of the diaphragm 200, but cannot be discharged from one end of the diaphragm 200 in the width direction, so that the air bubbles can be collected, and can be discharged from one end of the diaphragm 200 in the length direction in a directional manner, so that the occurrence of the condition that the air bubbles are contacted with the surface of the piece 800 to be plated can be reduced, and the coating quality of the piece 800 to be plated is improved.
It should be noted that, the membrane 200 has a plurality of micropores, the micropores only allow the electroplating solution to pass through, but the bubbles cannot pass through the membrane 200, so that the bubbles cannot float up to contact with the workpiece 800, and the electroplating quality of the workpiece 800 can be improved.
It should be noted that the thickness of the diaphragm 200 is uniform throughout, and will not be described in detail herein.
In some embodiments of the present utility model, the end of the flow guide 300 near the middle position of the diaphragm 200 is inclined downward, and the end of the flow guide 300 far from the middle position of the diaphragm 200 and the end of the diaphragm 200 are enclosed to form the air outlet 102, so that air bubbles can be guided to be discharged from the air outlet 102, and air bubbles are prevented from accumulating in the accommodating cavity 101.
Specifically, the flow guide 300 has a plate structure, and the length direction of the flow guide 300 is along the width direction of the diaphragm 200, and one end of the flow guide 300 near the middle position of the diaphragm 200 is inclined downward, so that air bubbles can be guided to be discharged from the air outlet 102, so as to avoid accumulation of air bubbles in the accommodating cavity 101.
Of course, in some embodiments, multiple air vents may be provided on the redirecting member 300 to facilitate the evacuation of air bubbles, which is not limited herein.
It should be noted that two flow guiding members 300 are disposed, the two flow guiding members 300 are disposed opposite to each other along the length direction of the diaphragm 200, and the two flow guiding members 300 are integrally in a horn-shaped structure, so that bubbles can be conveniently discharged from the air outlet 102.
In some embodiments of the present utility model, the plating solution further comprises a shielding member 500, wherein the shielding member 500 is accommodated in the accommodating cavity 101 and is located below the diaphragm 200, and the projection of the diaphragm 200 on the shielding member 500 is in the shielding member 500, so that impurities in the plating solution can be prevented from being rushed to the diaphragm 200 to be contacted with the diaphragm 200, the damage to the diaphragm 200 can be avoided, and the service life of the diaphragm 200 can be prolonged.
Specifically, the length of the shielding member 500 is greater than that of the diaphragm 200, and the shielding member 500 is positioned below the diaphragm 200, so that impurities in the electroplating solution can be shielded by the shielding member 500 and cannot upwelle to contact with the diaphragm 200, damage to the diaphragm 200 can be avoided, and the service life of the diaphragm 200 is prolonged.
In some embodiments of the utility model, the surface of the diaphragm 200 facing away from the shutter 500 is curved concave toward the shutter 500, and can guide bubbles to move along both ends of the length direction of the diaphragm 200, so that the bubbles can be discharged from the gas outlet 102 to avoid accumulation of bubbles in the accommodating chamber 101.
Specifically, the middle position of the diaphragm 200 is concavely arranged downwards, and the projection of the surface of the diaphragm 200 facing away from the shielding member 500 on a plane perpendicular to the running direction of the member to be plated 800 is a flat curve which is in a V shape as a whole, so that bubbles can be guided to move along the two ends of the length direction of the diaphragm 200, and the bubbles can be discharged from the air outlet 102, so that bubble accumulation in the accommodating cavity 101 is avoided.
In some embodiments of the present utility model, the main body includes a cover plate 110, a first connecting frame 120 and a second connecting frame 130, the first connecting frame 120 is disposed opposite to the second connecting frame 130, the first connecting frame 120 is connected with one end of the cover plate 110, the second connecting frame 130 is connected with the other end of the cover plate 110, the first connecting frame 120, the cover plate 110 and the second connecting frame 130 enclose to form a containing cavity 101, the diaphragm 200 is attached to the cover plate 110, and the diaphragm 200 is located below the cover plate 110, and the blocking member 400 is connected with the cover plate 110, so as to facilitate assembling the anode box.
Specifically, the first connecting frame 120, the cover plate 110 and the second connecting frame 130 are sequentially connected, so that the whole body is in an inverted U-shaped structure, the middle position of the cover plate 110 is arranged in a downward concave manner, and the diaphragm 200 is attached to the lower surface of the cover plate 110, so that the anode box can be conveniently assembled.
It should be noted that, the first connecting frame 120 may be connected to the cover plate 110 by bolting or welding, and the second connecting frame 130 may be connected to the cover plate 110 by bolting or welding, so that the anode box may be assembled conveniently.
It should be noted that, the surface of the cover plate 110 facing away from the shielding member 500 is projected on a plane perpendicular to the running direction of the member to be plated 800 to form a V-shaped flat curve, and the diaphragm 200 is of a flexible structure, so that the diaphragm 200 is attached to the cover plate 110, and the shape of the diaphragm 200 is the same as that of the cover plate 110, which is not described in detail herein.
In some embodiments of the present utility model, the cover plate 110 is provided with a plurality of through holes 111, the plurality of through holes 111 face the membrane 200, and by providing the through holes 111, the cover plate 110 can penetrate through current, so that the plating of the to-be-plated piece 800 can be facilitated.
Specifically, the plurality of through holes 111 are arranged in an array, so that the cover plate 110 can penetrate through current, and the plating of the to-be-plated piece 800 can be facilitated.
In some embodiments of the present utility model, the cover plate 110 is connected with two first pressing members 140 and two second pressing members 150, where the two first pressing members 140 are disposed opposite to each other, the two second pressing members 150 are disposed opposite to each other, and the two first pressing members 140 and the two second pressing members 150 can press the periphery of the diaphragm 200, so as to prevent bubbles from escaping from the accommodating cavity 101 from a gap between the diaphragm 200 and the cover plate 110, and avoid the bubbles from contacting the surface of the workpiece 800, thereby improving the quality of the film coating of the workpiece 800.
Specifically, the two first pressing members 140 are respectively connected with two ends of the diaphragm 200 in the length direction to fix the two ends of the diaphragm 200 in the length direction, the two second pressing members 150 are respectively connected with two ends of the diaphragm 200 in the width direction to fix the two ends of the diaphragm 200 in the width direction, the first pressing members 140 are connected with the cover plate 110 in a bolting mode, the first pressing members 140 are located below the cover plate 110, the second pressing members 150 are also connected with the cover plate 110 in a bolting mode, the second pressing members 150 are connected with the upper surface of the cover plate 110, one end of the diaphragm 200 in the width direction is clamped between the first pressing members 140 and the cover plate 110, the first pressing members 140 and the second pressing members 150 can press the periphery of the diaphragm 200 to avoid bubbles escaping from the accommodating cavity 101 from a gap between the diaphragm 200 and the cover plate 110, and can avoid the bubbles from contacting with the surface of the to-be-plated member 800, thereby improving the coating quality of the to-be-plated member 800.
Referring to fig. 1 to 4, the anode cartridge assembly according to the second aspect of the present utility model, including at least one anode member 600 and the anode cartridge according to the first aspect of the present utility model, can guide the air bubbles in the accommodating chamber 101 to be discharged from the exhaust port 102 to the outside of the anode cartridge by providing the flow guide member 300 and the blocking member 400, so as to reduce the discharge of a portion of the air bubbles from one end of the diaphragm 200 in the width direction, and can reduce the occurrence of the contact of the air bubbles with the surface of the workpiece 800, thereby improving the coating quality of the workpiece 800.
Specifically, during electroplating, the anode member 600 is accommodated in the accommodating cavity 101, the anode box is positioned in the groove body 700, the member 800 to be plated is positioned above the anode box, and by arranging the flow guiding member 300 and the blocking member 400, the air bubbles floating upwards can only be discharged from the air outlet 102 along the lower surface of the diaphragm 200, but cannot be discharged from one end of the diaphragm 200 in the width direction, so that the occurrence of the condition that the air bubbles are contacted with the surface of the member 800 to be plated can be reduced, and the coating quality of the member 800 to be plated is improved.
Referring to fig. 1 to 4, the horizontal plating tank according to the third aspect of the present utility model, including the tank body 700 and the anode box according to the first aspect of the present utility model, can guide the air bubbles in the accommodating chamber 101 to be discharged from the exhaust port 102 to the outside of the anode box by providing the flow guide 300 and the blocking member 400, so as to reduce the discharge of a part of the air bubbles from one end of the diaphragm 200 in the width direction, and can reduce the occurrence of the contact of the air bubbles with the surface of the workpiece 800, thereby improving the plating quality of the workpiece 800.
Specifically, during electroplating, the anode box is located in the tank body 700, the piece 800 to be plated is located above the anode box, and by arranging the flow guide piece 300 and the blocking piece 400, the air bubbles floating upwards can only be discharged from the air outlet 102 along the lower surface of the diaphragm 200, but cannot be discharged from one end of the diaphragm 200 in the width direction, so that the occurrence of the condition that the air bubbles are contacted with the surface of the piece 800 to be plated can be reduced, and the coating quality of the piece 800 to be plated is improved.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The present embodiment has been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit.
Claims (12)
1. An anode cartridge, comprising:
a main body provided with a containing cavity (101), wherein the containing cavity (101) is used for containing an anode piece (600);
a diaphragm (200), the diaphragm (200) being provided to the main body;
the flow guide piece (300) is accommodated in the accommodating cavity (101) and is positioned below the diaphragm (200), one end of the flow guide piece in the length direction of the diaphragm (200) is enclosed to form an exhaust port (102), and the exhaust port (102) is used for discharging bubbles in the accommodating cavity (101);
and a blocking member (400) connected to the main body, wherein both ends of the diaphragm (200) in the width direction are provided with the blocking member (400) so as to block air bubbles in the accommodating chamber (101) from being discharged in the width direction of the diaphragm (200).
2. The anode box according to claim 1, wherein an end of the flow guide member (300) near the middle position of the diaphragm (200) is disposed obliquely downward, and an end of the flow guide member (300) far from the middle position of the diaphragm (200) and an end of the diaphragm (200) enclose to form the exhaust port (102).
3. The anode cartridge according to claim 2, wherein two of the flow guides (300) are provided, and the two flow guides (300) are disposed opposite to each other along the longitudinal direction of the separator (200).
4. The anode cartridge according to claim 1, wherein the membrane (200) has a uniform overall thickness.
5. The anode cartridge of claim 1, further comprising a shield (500) received within the receiving cavity and positioned below the diaphragm (200), a projection of the diaphragm (200) onto the shield (500) being within the shield (500).
6. The anode cartridge of claim 5, wherein a surface of the diaphragm (200) facing away from the shutter (500) is curved concave toward the shutter (500).
7. Anode cassette according to claim 6, characterized in that the surface of the membrane (200) facing away from the shutter (500) is projected as a flat curve with an overall V-shape on a plane perpendicular to the direction of travel of the piece (800) to be plated.
8. The anode box according to claim 1, wherein the main body comprises a cover plate (110), a first connecting frame (120) and a second connecting frame (130), the first connecting frame (120) and the second connecting frame (130) are oppositely arranged, the first connecting frame (120) is connected with one end of the cover plate (110), the second connecting frame (130) is connected with the other end of the cover plate (110), the first connecting frame (120), the cover plate (110) and the second connecting frame (130) are enclosed to form the accommodating cavity (101), the diaphragm (200) is attached to the cover plate (110), the diaphragm (200) is located below the cover plate (110), and the blocking piece (400) is connected with the cover plate (110).
9. Anode cartridge according to claim 8, characterized in that the cover plate (110) is provided with a plurality of through holes (111), a plurality of said through holes (111) being directed towards the membrane (200).
10. The anode cartridge of claim 9, wherein the cover plate (110) is connected with two first pressing members (140) and two second pressing members (150), the two first pressing members (140) are disposed opposite to each other, the two second pressing members (150) are disposed opposite to each other, and the two first pressing members (140) and the two second pressing members (150) are capable of pressing the periphery of the separator (200).
11. An anode cartridge assembly comprising at least one anode member (600) and an anode cartridge according to any one of claims 1 to 10, said anode member (600) being housed in said housing chamber (101).
12. A horizontal plating tank comprising a tank body (700) and an anode box according to any one of claims 1 to 10, said anode box being housed inside said tank body (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644059.5U CN220352274U (en) | 2023-06-27 | 2023-06-27 | Anode box, anode box assembly and horizontal electroplating tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321644059.5U CN220352274U (en) | 2023-06-27 | 2023-06-27 | Anode box, anode box assembly and horizontal electroplating tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220352274U true CN220352274U (en) | 2024-01-16 |
Family
ID=89479921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321644059.5U Active CN220352274U (en) | 2023-06-27 | 2023-06-27 | Anode box, anode box assembly and horizontal electroplating tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220352274U (en) |
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2023
- 2023-06-27 CN CN202321644059.5U patent/CN220352274U/en active Active
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