CN219293049U - Adjusting device and laser processing equipment - Google Patents
Adjusting device and laser processing equipment Download PDFInfo
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- CN219293049U CN219293049U CN202223509988.3U CN202223509988U CN219293049U CN 219293049 U CN219293049 U CN 219293049U CN 202223509988 U CN202223509988 U CN 202223509988U CN 219293049 U CN219293049 U CN 219293049U
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The application relates to the technical field of laser processing, in particular to an adjusting device and laser processing equipment. The adjusting device comprises a base, a first adjusting assembly and a first cushion block structure, wherein the first adjusting assembly comprises at least three first adjusting pieces, and the first adjusting pieces are suitable for driving the opposite ends of the first cushion block structure to move towards the direction close to the product. According to the first cushion block structure, the product is firstly placed on the first cushion block structure, and the first cushion block structure can be firstly driven to move by the two first adjusting pieces which are close to the first cushion block structure on the first fixing piece. When the product moves to a proper position, the first adjusting piece for driving the first cushion block structure to move stops moving. At this time, the first adjusting piece which is located on the first fixing piece and far away from the first cushion block structure moves towards the product direction and is abutted with the product. Until the product is completely pressed on the first cushion block structure, so as to realize the fixation of the product. The first cushion block structure can effectively increase the contact surface test with the product, so that the product is fixed more firmly.
Description
Technical Field
The utility model relates to the technical field of laser processing, in particular to an adjusting device and laser processing equipment.
Background
In the current industrial production, laser devices have been widely used. Especially in the current liquid crystal panel and semiconductor industry, the laser can be used in a plurality of industries such as cutting of circuits in the liquid crystal panel and cutting of liquid crystal polaroids. The laser beam expander is a lens assembly capable of changing the laser beam diameter and divergence angle. The laser beam emitted from the laser has a certain divergence angle, and for laser processing, only the laser beam is changed into a collimated (parallel) beam through the adjustment of the beam expander, so that a fine high-power density light spot can be obtained by using the focusing mirror; in laser ranging, the ideal long-distance measuring effect can be obtained only by maximally improving the collimation degree of laser through the beam expander, so that the beam expander is adjusted to a proper position, which is extremely important for the subsequent laser processing precision.
However, in the existing adjusting device for the beam expander, the beam expander is clamped between three bolts, the position of the beam expander is adjusted by rotating the bolts, but the beam expander is generally cylindrical, and the bolts are in point contact with the surface of the beam expander. The beam expander can slip between the beam expander and the bolt in the mode, and when the bolt locks and fastens the beam expander, the strength of the beam expander cannot be controlled, the beam expander is easy to clamp, and the beam expander is inconvenient to fix when the beam expander is fixed through three bolts.
Disclosure of Invention
The utility model solves the problem that slipping is easy to occur between the fixing device of the existing beam expander and the beam expander.
In order to solve the above problems, the present utility model provides an adjusting device, which includes a base, a first adjusting assembly and a first cushion block structure, where the first adjusting assembly includes a first fixing member and at least three first adjusting members, the first fixing member is mounted on the base, a first through hole is formed in the first fixing member, a product is suitable for being placed in the first through hole, and the first adjusting members are movably mounted on the first fixing member; the first cushion block structure is located between the product and the first fixing piece, the first cushion block structure is respectively attached to the surface of the product and the surface of the first fixing piece, the opposite ends of the first cushion block structure are respectively abutted to one of the first adjusting pieces, and the first adjusting pieces are suitable for driving the opposite ends of the first cushion block structure to move towards the direction close to the product.
Optionally, a side surface of the first cushion block structure away from the product is provided with a first groove structure, and an end portion of the first adjusting member is suitable for being placed in the first groove structure and is suitable for sliding along the first groove structure.
Optionally, the first pad structure is made of a flexible material.
Optionally, the adjusting device further includes a first limiting member, the first limiting member is mounted on the first fixing member, and the first limiting member is used for limiting the first cushion block structure along the first direction.
Optionally, the adjusting device further includes a first connecting piece, a first mounting groove is formed in the first fixing piece, the first limiting piece is suitable for being placed in the first mounting groove, and the first connecting piece is suitable for being connected with the first fixing piece so as to fix the first limiting piece in the first mounting groove.
Optionally, the adjusting device further comprises a second adjusting component, the second adjusting component is mounted on the base, the product is suitable for being fixed on the first adjusting component and the second adjusting component, the position of the product relative to the base is adjustable, and the first adjusting component and the second adjusting component are suitable for driving the product to move.
Optionally, the second adjusting part includes second mounting and at least three second adjusting part, set up the second through-hole on the second mounting, the product is suitable for to place in the second through-hole, the screw hole has been seted up on the circumference surface of second mounting, the quantity of screw hole with the quantity phase-match of second adjusting part, the second adjusting part is suitable for to wear to locate in the screw hole and with product looks butt.
Optionally, the adjusting device further comprises a second cushion block structure, the second cushion block structure is located between the product and the second fixing piece, the second cushion block structure is respectively attached to the surfaces of the product and the second fixing piece, two opposite ends of the second cushion block structure are respectively abutted to one of the second adjusting pieces, and the second adjusting pieces are suitable for driving the two opposite ends of the second cushion block structure to move towards a direction close to the product.
Optionally, the second pad structure is made of a flexible material.
On the other hand, the embodiment of the utility model also provides laser processing equipment, which comprises the adjusting device.
Compared with the prior art, the adjusting device provided by the embodiment of the utility model has the beneficial effects that:
through placing the product on first cushion structure earlier, two first regulating parts that are close to first cushion structure on the first mounting can drive first cushion structure and remove earlier. When the product moves to a proper position, the first adjusting piece for driving the first cushion block structure to move stops moving. At this time, the first adjusting piece which is located on the first fixing piece and far away from the first cushion block structure moves towards the product direction and is abutted with the product. Until the product is completely pressed on the first cushion block structure, so as to realize the fixation of the product. The first cushion block structure can effectively increase the contact surface test with the product, so that the product is fixed more firmly.
Drawings
FIG. 1 is a schematic structural view of an embodiment of an adjusting device of the present utility model;
FIG. 2 is a schematic structural view of another embodiment of the adjusting device of the present utility model;
fig. 3 is a schematic structural view of another embodiment of the adjusting device of the present utility model.
Reference numerals illustrate:
1-a base; 2-a first adjustment assembly; 21-a first fixing member; 211-a first through hole; 212-a first mounting slot; 22-a first adjustment member; 3-a second adjustment assembly; 31-a second fixing member; 311-a second through hole; 312-a second mounting slot; 32-a second adjustment member; 4-a first cushion block structure; 41-a first groove structure; 5-a first limiting piece; 6-a first connector; 7-a second cushion block structure; 71-a second groove structure; 8-a second limiting piece; 9-a second connector.
Detailed Description
The terms "mounted," "connected," "coupled," and "connected" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or rotatably coupled; may be a mechanical connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
The coordinate system XYZ is provided in the drawings of the embodiments of the present utility model, in which the forward direction of the X axis represents the right direction, the reverse direction of the X axis represents the left direction, the forward direction of the Z axis represents the upper direction, the reverse direction of the Z axis represents the lower direction, the forward direction of the Y axis represents the front direction, and the reverse direction of the Y axis represents the rear direction, and the directions or positional relationships indicated by the terms "upper", "lower", "front", "rear", "left", and "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, but do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
As shown in fig. 1 and 2, an embodiment of the present utility model provides an adjusting device. The adjusting device comprises a base 1, a first adjusting component 2 and a first cushion block structure 4, wherein the first adjusting component 2 comprises a first fixing piece 21 and at least three first adjusting pieces 22, the first fixing piece 21 is arranged on the base 1, a first through hole 211 is formed in the first fixing piece 21, a product is suitable for being placed in the first through hole 211, and the first adjusting pieces 22 are movably arranged on the first fixing piece 21; the first cushion block structure 4 is located between the product and the first fixing piece 21, the first cushion block structure 4 is respectively attached to the surfaces of the product and the first fixing piece 21, the opposite ends of the first cushion block structure 4 are respectively abutted to one of the first adjusting pieces 22, and the first adjusting pieces 22 are suitable for driving the opposite ends of the first cushion block structure 4 to move towards the direction close to the product.
The product can be a beam expander which is generally arranged in an optical path system of the laser processing equipment, and the beam expander can change a lens component of the laser beam diameter and the divergence angle, so that the product plays a vital role for the laser processing equipment. The number of the first adjusting members 22 may be three, the first adjusting members 22 are disposed along the circumferential direction of the first fixing member 21, the circumferential surface of the first fixing member 21 is provided with threaded holes, the number of the threaded holes is matched with the number of the first adjusting members 22, and the first fixing member 21 is adapted to move along the axial direction of the threaded holes.
The inner diameter of the first through hole 211 may be larger than the outer diameter of the product, the first adjusting members 22 may be bolts, the bolts may pass through threaded holes on the first fixing members 21, and the distances between two adjacent first adjusting members 22 may be equal, and the product may be simultaneously fixed by three first adjusting members 22. Through the cooperation between three first regulating members 22, can realize the position adjustment of product in first through-hole 211, when the product removes the position of needs, 3 first regulating members 22 can be simultaneously to the direction removal of product press from both sides tight with the product, avoid the product to rock.
The first cushion block structure 4 can support the bottom of the product, the contact area between the first cushion block structure 4 and the product can be increased, and risks such as slipping or damage to the product are avoided between the first adjusting piece 22 and the product. Wherein two first adjusting members 22 can drive the first cushion block structure 4 to move in the first through hole 211, and when the first cushion block structure 4 moves to a proper position, the first adjusting members 22 contacting with the first cushion block structure 4 can drive opposite ends of the first cushion block structure 4 to approach to the direction of the product so as to partially enclose the product. And another first adjusting member 22 located at the top of the product can act on the top of the product to press the product against the first pad structure 4, thereby achieving a fixation of the product after the position adjustment.
By placing the product on the first pad structure 4 first, the first fixing element 21 can drive the first pad structure 4 to move by the two first adjusting elements 22 close to the first pad structure 4. When the product is moved into position, the first adjustment member 22 for driving the first block structure 4 to move stops moving. At this time, the first adjusting member 22 located on the first fixing member 21 and far from the first cushion block structure 4 moves toward the product direction and abuts against the product. Until the product is completely pressed against the first pad structure 4 to achieve a fixation of the product. The first pad structure 4 can effectively increase the contact surface test with the product, so that the product is fixed more firmly.
As shown in fig. 2, a side of the first pad structure 4 remote from the product is provided with a first groove structure 41, and an end of the first adjustment member 22 is adapted to be placed in the first groove structure 41 and to slide along the first groove structure 41.
With the rotation of the first adjustment member 22, the end of the first adjustment member 22 can slide in the first groove structure 41, while the opposite ends of the first pad structure 4 can be tightened or loosened in the direction of the product. And the end of the first adjusting member 22 is located in the first groove structure 41 to play a role in limiting the first cushion block structure 4, so that the offset of the first cushion block structure 4 caused by too large or too small acting force applied to the first cushion block structure 4 by the first adjusting member 22 is avoided.
The first pad structure 4 is made of a flexible material. The first cushion block structure 4 can be made of rubber materials, the rubber materials can be softer, when the first adjusting piece 22 applies force to the first cushion block structure 4, the cushion block structure can be located between a product and the first adjusting piece 22, damage to the product is avoided, and the product can be clamped more stably.
As shown in fig. 2 and 3, the adjusting device further includes a first limiting member 5, where the first limiting member 5 is mounted on the first fixing member 21, and the first limiting member 5 is used for limiting the first cushion structure 4 along the first direction.
The first direction can be the direction of X axle in the picture, and first locating part 5 can be including two flange structures that the symmetry set up, and first cushion structure 4 can be located between two flange structures, can prevent through two flange structures that first cushion structure 4 from following X axle direction and remove, the guarantee is to the fixed effect of product. The first limiting part 5 can be mounted on the first fixing part 21 through bolts, holes for the bolts to pass through can be formed in the first limiting part 5, and the bolts can pass through the holes in the first limiting part 5 and are connected to the first fixing part 21.
As shown in fig. 2 and 3, the adjusting device further includes a first connecting member 6, the first fixing member 21 is provided with a first mounting groove 212, the first limiting member 5 is adapted to be placed in the first mounting groove 212, and the first connecting member 6 is adapted to be connected with the first fixing member 21 so as to fix the first limiting member 5 in the first mounting groove 212.
The first limiting piece 5 can be installed in the first installation groove 212 along the X-axis negative direction, the first installation groove 212 can clamp the position of the first limiting piece 5, and the first limiting piece 5 is limited by installing the first connecting piece 6 on the first fixing piece 21, so that the first limiting piece 5 is prevented from falling off along the X-axis positive direction. The first connecting piece 6 can be fixed on the first fixing piece 21 through bolts, so that the first connecting piece is convenient to install and detach, and is more convenient to maintain when the first limiting piece 5 or the first cushion block structure 4 needs to be replaced subsequently.
As shown in fig. 1 and 2, the adjusting device further comprises a second adjusting component 3, the second adjusting component 3 is mounted on the base 1, the product is suitable for being fixed on the first adjusting component 2 and the second adjusting component 32, the position of the product relative to the base 1 is adjustable, and the first adjusting component 22 and the second adjusting component 32 are suitable for driving the product to move.
The beam expander can be arranged on the first adjusting component 2 and the second adjusting component 3, and the position of the beam expander in the space can be adjusted through the first adjusting component 2 and the second adjusting component 3, so that after the laser beam is emitted from the optical fiber laser, the laser beam can pass through the beam expander from the axis direction of the beam expander.
When the beam diameter and the divergence angle of the laser beam of the laser processing apparatus need to be adjusted, the base 1 may be installed in the optical path box of the optical path system, and the beam expander may be fixed on the first adjusting assembly 2 and the second adjusting assembly 3. When the position of the beam expander is adjusted, the first adjusting component 2 and the second adjusting component 3 can drive the beam expander to move towards the direction close to or far away from the base 1, so that the height of the beam expander moves to the same height as the laser beam. After the height adjustment is completed, the first adjusting component 2 or the second adjusting component 3 is adjusted, so that the axial lead of the beam expander is parallel to the axial lead of the laser beam. After the axis of the beam expander is parallel to the axis of the laser beam, the base 1 is moved at this moment, so that the axis of the beam expander coincides with the axis of the laser beam, and the base 1 can be fixed at this moment, thereby ensuring the position accuracy of the beam expander in the subsequent use process.
Through fixing the product on first adjusting part 2 and second adjusting part 3 to adjust first adjusting part 2 and second adjusting part 3, make the product remove for base 1, remove suitable position for base 1 with the product, fix base 1 again this moment, thereby can ensure the relative position precision of product when the follow-up is used. And the user can also install the adjusting device into different light path systems according to actual use requirements.
As shown in fig. 1 and 2, the second adjusting component 3 includes a second fixing member 31 and at least three second adjusting members 32, the second fixing member 31 is provided with a second through hole 311, a product is suitable for being placed in the second through hole 311, the circumferential surface of the second fixing member 31 is provided with threaded holes, the number of the threaded holes is matched with that of the second adjusting members 32, and the second adjusting members 32 are suitable for being arranged in the threaded holes in a penetrating manner and abutted against the product.
The inner diameter of the second through hole 311 may be larger than the outer diameter of the product, the second adjusting member 32 may be a bolt, the bolt may pass through the threaded hole on the second fixing member 31, and the distances between two adjacent second adjusting members 32 may be equal, and the product may be simultaneously fixed by three second adjusting members 32. Through the cooperation between the three second regulating members 32, the position adjustment of the product in the second through hole 311 can be realized, and when the product moves to a required position, the 3 second regulating members 32 can simultaneously move towards the direction of the product to clamp the product, so that the product is prevented from shaking.
As shown in fig. 1 and 2, the adjusting device further includes a second cushion block structure 7, the second cushion block structure 7 is located between the product and the second fixing member 31, the second cushion block structure 7 is respectively attached to the surface of the product and the surface of the second fixing member 31, two opposite ends of the second cushion block structure 7 are respectively abutted to one of the second adjusting members 32, and the second adjusting members 32 are adapted to drive two opposite ends of the second cushion block structure 7 to move in a direction approaching to the product.
The second cushion block structure 7 can support the bottom of the product, the contact area between the second cushion block structure 7 and the product can be increased, and risks such as slipping or damage to the product between the second adjusting piece 32 and the product are avoided. Wherein two second adjusting members 32 can drive the second cushion block structure 7 to move in the first through hole 211, and when the second cushion block structure 7 moves to a proper position, the second adjusting members 32 contacting with the second cushion block structure 7 can drive opposite ends of the second cushion block structure 7 to approach to the direction of the product so as to partially enclose the product. And another second adjusting member 32 located on top of the product can act on top of the product to press the product against the second pad structure 7, thereby achieving a fixation of the product after the position adjustment.
As shown in fig. 1 and 2, a side of the second pad structure 7 remote from the product is provided with a second groove structure 71, and an end of the second adjuster 32 is adapted to be placed in the second groove structure 71 and to slide along the second groove structure 71.
With the rotation of the second adjustment member 32, the end of the second adjustment member 32 can slide in the second groove structure 71, while the opposite ends of the second pad structure 7 can be tightened or loosened in the direction of the product. And the end of the second adjusting member 32 is located in the second groove structure 71 to play a role in limiting the second cushion block structure 7, so as to avoid the deviation of the second cushion block structure 7 caused by too large or too small acting force exerted on the second cushion block structure 7 by the second adjusting member 32.
The second pad structure 7 is made of a flexible material. The second cushion block structure 7 can be made of rubber materials, the rubber materials can be softer, when the second adjusting piece 32 applies force to the second cushion block structure 7, the cushion block structure can be located between the product and the second adjusting piece 32, damage to the product is avoided, and the product can be clamped more stably.
As shown in fig. 2 and 3, the adjusting device further includes a second limiting member 8, where the second limiting member 8 is mounted on the second fixing member 31, and the second limiting member 8 is used for limiting the second cushion block structure 7 along the first direction.
The first direction can be the direction of X axle in the picture, and second locating part 8 can be including two flange structures that the symmetry set up, and second cushion structure 7 can be located between two flange structures, can prevent through two flange structures that second cushion structure 7 from following X axle direction and remove, the guarantee is to the fixed effect of product. The second limiting part 8 can be mounted on the second fixing part 31 through bolts, holes for the bolts to pass through can be formed in the second limiting part 8, and the bolts can pass through the holes in the second limiting part 8 and are connected to the second fixing part 31.
As shown in fig. 2 and 3, the adjusting device further includes a second connecting member 9, the second fixing member 31 is provided with a second mounting groove 312, the second limiting member 8 is adapted to be placed in the second mounting groove 312, and the second connecting member 9 is adapted to be connected with the second fixing member 31 so as to fix the second limiting member 8 in the second mounting groove 312.
The second limiting piece 8 can be installed in the second installation groove 312 along the positive direction of the X axis, the second installation groove 312 can clamp the position of the second limiting piece 8, and the second limiting piece 8 is limited by installing the second connecting piece 9 on the second fixing piece 31, so that the second limiting piece 8 is prevented from falling off along the negative direction of the X axis. The second connecting piece 9 can be fixed on the second fixing piece 31 through bolts, so that the second connecting piece is convenient to install and detach, and is more convenient to maintain when the second limiting piece 8 or the second cushion block structure 7 needs to be replaced subsequently. Another embodiment of the present utility model provides a laser processing apparatus including the adjustment device as above. The laser processing apparatus has the same advantageous effects as the adjusting device and will not be described here again.
Although the present application is disclosed above, the scope of protection of the present application is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the present application, and such changes and modifications would fall within the scope of the utility model.
Claims (10)
1. An adjustment device, comprising:
a base;
the first adjusting assembly comprises a first fixing piece and at least three first adjusting pieces, the first fixing piece is arranged on the base, a first through hole is formed in the first fixing piece, a product is suitable for being placed in the first through hole, and the first adjusting pieces are movably arranged on the first fixing piece;
the first cushion block structure is positioned between the product and the first fixing piece, the first cushion block structure is respectively attached to the surface of the product and the surface of the first fixing piece, the opposite ends of the first cushion block structure are respectively abutted to one of the first adjusting pieces, and the first adjusting pieces are suitable for driving the opposite ends of the first cushion block structure to move towards the direction close to the product.
2. The adjustment device of claim 1, wherein a side of the first spacer structure remote from the product is provided with a first groove structure, and wherein an end of the first adjustment member is adapted to be placed in the first groove structure and to slide along the first groove structure.
3. The adjustment device of claim 1, wherein the first pad structure is made of a flexible material.
4. The adjustment device of claim 1, further comprising a first stop mounted on the first mount, the first stop being for limiting the first block structure in a first direction.
5. The adjustment device of claim 4, further comprising a first connector, wherein the first securing member defines a first mounting slot, wherein the first stop member is adapted to be positioned within the first mounting slot, and wherein the first connector is adapted to be coupled to the first securing member to secure the first stop member within the first mounting slot.
6. The adjustment device of claim 1, further comprising a second adjustment assembly mounted to the base, the product being adapted to be secured to the first and second adjustment assemblies, the position of the product relative to the base being adjustable, the first and second adjustment assemblies being adapted to move the product.
7. The adjusting device of claim 6, wherein the second adjusting assembly comprises a second fixing member and at least three second adjusting members, a second through hole is formed in the second fixing member, the product is suitable for being placed in the second through hole, threaded holes are formed in the circumferential surface of the second fixing member, the number of the threaded holes is matched with that of the second adjusting members, and the second adjusting members are suitable for being arranged in the threaded holes in a penetrating mode and abutted against the product.
8. The adjustment device of claim 7, further comprising a second spacer structure positioned between the product and the second fixture, the second spacer structure being respectively engaged with the product and a surface of the second fixture, and opposite ends of the second spacer structure being respectively engaged with one of the second adjustment members, the second adjustment members being adapted to drive the opposite ends of the second spacer structure to move in a direction toward the product.
9. The adjustment device of claim 8, wherein the second pad structure is made of a flexible material.
10. A laser processing apparatus comprising an adjustment device according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223509988.3U CN219293049U (en) | 2022-12-26 | 2022-12-26 | Adjusting device and laser processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223509988.3U CN219293049U (en) | 2022-12-26 | 2022-12-26 | Adjusting device and laser processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219293049U true CN219293049U (en) | 2023-07-04 |
Family
ID=86951097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223509988.3U Active CN219293049U (en) | 2022-12-26 | 2022-12-26 | Adjusting device and laser processing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219293049U (en) |
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2022
- 2022-12-26 CN CN202223509988.3U patent/CN219293049U/en active Active
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