CN222457295U - Built-in blind glass window capable of being opened in two directions - Google Patents
Built-in blind glass window capable of being opened in two directions Download PDFInfo
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- CN222457295U CN222457295U CN202421186589.4U CN202421186589U CN222457295U CN 222457295 U CN222457295 U CN 222457295U CN 202421186589 U CN202421186589 U CN 202421186589U CN 222457295 U CN222457295 U CN 222457295U
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Abstract
本实用新型公开了一种能够双向开启的内置百折帘玻璃窗包括：窗框、两块玻璃盖板、位于两者之间的百折帘和帘体驱动机构组成；帘体驱动机构包括四个对称设置在窗框四角的驱动绳转向座，以及安装在窗框左右边框内的左、右磁控滑块。左磁控滑块通过第一和第二驱动绳控制百折帘的顶边升降，右磁控滑块通过第三和第四驱动绳控制百折帘的底边升降。本方案通过实现双向开启，简化操作，优化结构设计，显著提升了用户体验，提供了更便捷、舒适和高效的使用体验，优于现有技术。
The utility model discloses a built-in pleated curtain glass window capable of bidirectional opening, comprising: a window frame, two glass cover plates, a pleated curtain located therebetween, and a curtain driving mechanism; the curtain driving mechanism comprises four driving rope steering seats symmetrically arranged at the four corners of the window frame, and left and right magnetically controlled sliders installed in the left and right frames of the window frame. The left magnetically controlled slider controls the lifting and lowering of the top edge of the pleated curtain through the first and second driving ropes, and the right magnetically controlled slider controls the lifting and lowering of the bottom edge of the pleated curtain through the third and fourth driving ropes. This solution significantly improves the user experience by achieving bidirectional opening, simplifying the operation, and optimizing the structural design, providing a more convenient, comfortable and efficient use experience, which is superior to the existing technology.
Description
Technical Field
The utility model relates to the technical field of built-in blind glass windows, in particular to a built-in blind glass window capable of being opened in two directions.
Background
The built-in blind glass window has the functions of sun shading, heat insulation, privacy protection and the like, and is widely applied to houses and commercial buildings.
Existing blind structural designs can only be opened from the bottom upwards, which limits the user's options and ease of use in certain application scenarios. For example, existing designs fail to meet demand when a user wishes to open from the top down to block the sunlight above.
In addition, current hundred curtain structures can't realize two-way opening simultaneously, and from the bottom upwards and from top down simultaneously shelter from the regulation promptly.
Based on the above situation, the inventor provides a new structural design to realize bidirectional opening of the blind, thereby improving user experience.
Disclosure of utility model
Based on the purpose of the utility model, the utility model provides the built-in blind glass window which can be opened in two directions, so that the defects of the existing window design are overcome, and the use experience of a user is improved.
The technical scheme adopted for solving the technical problems is as follows:
The built-in blind glass window capable of being opened in two directions comprises a window frame, two glass cover plates respectively covered on two sides of the window frame, a blind positioned between the two glass cover plates and a curtain driving mechanism arranged in the window frame, and is characterized in that the curtain driving mechanism comprises:
the driving rope steering seat comprises four driving rope steering seats which are symmetrically arranged at four corners of the window frame respectively;
the magnetic control sliding block comprises a left magnetic control sliding block and a right magnetic control sliding block, and is respectively arranged in a left frame and a right frame of the window frame;
the left magnetic control sliding block controls the top edge of the blind to ascend or descend through the first driving rope and the second driving rope;
The right magnetic control sliding block controls the lifting or descending of the bottom edge of the blind through the third driving rope and the fourth driving rope.
According to a further technical scheme, the driving rope steering seat is L-shaped, four fixed pulleys are arranged at the horizontal end of the driving rope steering seat and distributed at four vertexes of a square, and the driving rope fixing end is arranged at the vertical end of the driving rope steering seat.
According to the further technical scheme, the top edge and the bottom edge of the blind are respectively provided with a top edge wiring channel and a bottom edge wiring channel which penetrate through the width of the blind body.
According to a further technical scheme, the magnetic control sliding block comprises a sliding block main body, wherein movable pulley grooves are respectively formed in the top end and the bottom end of the sliding block main body, movable pulleys are arranged in the movable pulley grooves, a magnetic block mounting groove is formed in the middle of the sliding block main body, a plurality of magnetic blocks are fixed in the magnetic block mounting groove, two pulley grooves are further formed in the magnetic block surface of the sliding block main body, are respectively located above and below the magnetic block mounting groove, and are internally provided with pulleys.
According to the technical scheme, one end of the first driving rope is fixed at the driving rope fixed end of the upper right corner driving rope steering seat, the rope body penetrates from the outer side of the top movable pulley groove of the right magnetic control sliding block, then sequentially bypasses the top movable pulley in the rope body, the two fixed pulleys at the top of the upper right corner driving rope steering seat and the bottom inner fixed pulley of the upper left corner driving rope steering seat, then downwards passes through the top edge routing channel, upwards bypasses the bottom outer fixed pulley of the upper right corner driving rope steering seat, downwards penetrates from the inner side of the top movable pulley groove of the right magnetic control sliding block, bypasses the movable pulley in the rope body, and the other end of the rope body is fixed at the driving rope fixed end of the upper right driving rope steering seat. The design can enable the right magnetic control sliding block to synchronously drive the top edge of the blind to lift when the right magnetic control sliding block lifts, and the blind can be driven by only small force due to the principle of the movable pulley.
According to the technical scheme, one end of the second driving rope is fixed at the driving rope fixed end of the right lower angle driving rope steering seat, the rope body penetrates into the bottom movable pulley which bypasses the right lower angle driving rope steering seat from the outer side of the bottom movable pulley groove of the right magnetic control sliding block, two fixed pulleys at the top of the right lower angle driving rope steering seat, the fixed pulley at the inner side of the top of the left lower angle driving rope steering seat, upwards penetrates through the top edge routing channel, downwards bypasses the fixed pulley at the outer side of the top of the right lower angle driving rope steering seat, upwards penetrates into the bottom movable pulley groove of the right magnetic control sliding block, bypasses the movable pulley in the right lower angle driving rope steering seat, and the other end of the second driving rope is fixed at the driving rope fixed end of the right lower driving rope steering seat. The design not only can assist the right magnetic control sliding block to control the lifting control of the blind, but also can enable the right magnetic control sliding block to be in a tightening state and prevent the right magnetic control sliding block from sliding in the right side frame at will.
According to the technical scheme, one end of the third driving rope is fixed at the driving rope fixed end of the upper left corner driving rope steering seat, the rope body penetrates from the outer side of the top movable pulley groove of the left magnetic control sliding block, then sequentially bypasses the top movable pulley in the rope body, the two fixed pulleys at the top of the upper left corner driving rope steering seat and the bottom inner fixed pulley of the upper right corner driving rope steering seat, then downwards passes through the bottom edge wiring channel, upwards bypasses the bottom outer fixed pulley of the upper left corner driving rope steering seat, downwards penetrates from the inner side of the top movable pulley groove of the left magnetic control sliding block, bypasses the movable pulley in the rope body, and the other end of the rope body is fixed at the driving rope fixed end of the upper left corner driving rope steering seat. The design can enable the left magnetic control sliding block to synchronously drive the top edge of the blind to lift when the left magnetic control sliding block lifts, and the blind can be driven by only small force due to the principle of the movable pulley.
According to the technical scheme, one end of the fourth driving rope is fixed at the driving rope fixed end of the left lower angle driving rope steering seat, the rope body penetrates from the outer side of the bottom movable pulley groove of the left magnetic control sliding block, then sequentially bypasses the bottom movable pulley in the rope body, the two fixed pulleys at the top of the left lower angle driving rope steering seat and the fixed pulley at the inner side of the top of the right lower angle driving rope steering seat, upwards penetrates through the bottom edge wiring channel, downwards bypasses the fixed pulley at the outer side of the top of the left lower angle driving rope steering seat, upwards penetrates from the inner side of the bottom movable pulley groove of the left magnetic control sliding block, bypasses the movable pulley in the rope body, and the other end of the rope body is fixed at the driving rope fixed end of the left lower angle driving rope steering seat. The left magnetic control sliding block can be controlled to lift and fall of the bottom edge of the blind, and can be in a tightening state, so that the left magnetic control sliding block is prevented from sliding in the left frame body at will.
The beneficial effects of the utility model are as follows:
1. bidirectional opening function
Existing blind glazings are generally only capable of one-way opening, i.e. bottom up. The unidirectional opening design limits the use convenience of users in certain scenes, and cannot meet the diversified demands of the users in different environments.
The utility model designs a built-in blind glass window capable of being opened in two directions, and a user can simultaneously realize that a blind is opened from the top to the bottom and from the bottom to the top through the cooperation of a driving sliding block and a driving rope. The bidirectional opening function greatly improves the use convenience and flexibility of a user, and the position of the blind can be randomly adjusted according to the sunlight irradiation direction and privacy requirements.
2. Easy and convenient to operate
In the operation process of the existing blind glass window, a user may need to manually adjust for multiple times, and the operation is complex and time-consuming.
According to the utility model, the driving sliding blocks are arranged in the side frames at two sides and are connected with the external sliding handle through the attraction of the magnet, so that a user can easily realize the up-and-down movement of the blind by only sliding the external handle, the operation is simple and convenient and quick, and the user experience is obviously improved.
3. Structural design optimization
The traditional blind glass window is simpler in design, and an effective transmission mechanism is lacked, so that the service life is shorter, and the maintenance is inconvenient.
The utility model optimizes the structural design, and the driving rope is fixed on the driving slide block through the fixing holes arranged on the driving slide block and is driven by the pulley. The optimized design not only improves the transmission efficiency, but also reduces friction and abrasion in the sliding process and prolongs the service life. In addition, the structure is compact and attractive, and the installation and maintenance are easy.
4. Improving user experience
The unidirectional-opening blind glass window can not effectively shield direct sunlight or meet privacy protection requirements in the use process, and user experience is affected.
Through the design of two-way opening, the user can adjust the position of hundred curtains according to actual demand to effectively shelter from sunshine directly, protect privacy, build more comfortable indoor environment, improved user's satisfaction and experience and felt.
5. Multipurpose use
The traditional blind glass window has single function and cannot adapt to various use scenes.
The bidirectional opening design of the utility model has wider applicability, is suitable for various scenes such as houses, offices, public places and the like, and meets the requirements of sunshade, heat insulation and privacy protection in different places.
In summary, the technical scheme is remarkably superior to the prior art by realizing bidirectional opening, simplifying operation, optimizing structural design, improving user experience and versatility, and provides more convenient, comfortable and efficient use experience for users.
Drawings
Fig. 1 is a schematic view of the internal structure of the present utility model.
Fig. 2 is a schematic structural view of the drive rope steering block.
FIG. 3 is a schematic diagram of the structure of a magnetic slider.
Fig. 4 is a schematic diagram of a winding structure of the right magnetic control slider.
Fig. 5 is a schematic diagram of a winding structure of the left magnetic control slider.
In the figure, a 1-window frame, a 2-magnetic control sliding block, a 3-blind, a 4-driving rope steering seat, a 5-first driving rope, a 6-second driving rope, a 7-third driving rope and an 8-fourth driving rope, a 21-right magnetic control sliding block, a 22-left magnetic control sliding block, a 31-top edge wiring channel, a 32-bottom edge wiring channel, a 41-upper right angle driving rope steering seat, a 42-lower right angle driving rope steering seat, a 43-upper left angle driving rope steering seat, a 44-lower left angle driving rope steering seat, a 211-movable pulley, a 212-magnetic block, a 213-pulley, a 411-fixed pulley and a 412-driving rope fixed end are arranged.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model discloses a built-in blind glass window capable of being opened in two directions, which has a specific implementation structure shown in figure 1 and comprises a window frame 1, magnetic control sliding blocks 2 arranged in frames on the left side and the right side of the window frame 1, driving rope steering seats 4 fixed at four corners of the window frame 1, a blind 3 arranged between the frames on the left side and the right side of the window frame, two glass cover plates respectively covering the two sides of the window frame, and a plurality of driving ropes.
Among the above components, the magnetic control slide block 2, the driving rope and the driving rope steering seat 4 are combined together to form a curtain body driving mechanism.
The driving rope steering seat 4 comprises four driving rope steering seats and is symmetrically arranged at four corners of the window frame 1 respectively. As shown in fig. 2, the driving rope steering seat 4 has an L-shaped specific structure, and four fixed pulleys 411 are disposed at the horizontal ends thereof and distributed at the four vertices of a square, and driving rope fixing ends 412 are disposed at the vertical ends thereof.
The magnetic control slide block 2 comprises a left magnetic control slide block 22 and a right magnetic control slide block 21, and is respectively arranged in a left frame and a right frame of the window frame. As shown in FIG. 3, the magnetic control slider 2 specifically comprises a slider body, wherein the top end and the bottom end of the slider body are respectively provided with a movable pulley groove, a movable pulley 211 is arranged in the movable pulley groove, a magnetic block mounting groove is arranged in the middle of the slider body, a plurality of magnetic blocks 212 are fixed in the magnetic block mounting groove, two pulley grooves are also arranged on the magnetic block surface of the slider body, are respectively positioned above and below the magnetic block mounting groove, and are internally provided with pulleys 213.
The specific winding structures of the driving rope are as follows:
As shown in FIG. 4, the winding structure of the right magnetic control slider 21 is that one end of the first driving rope 5 is fixed at the driving rope fixed end of the right upper corner driving rope steering seat 41, the rope body penetrates from the outer side of the top movable pulley groove of the right magnetic control slider 21, then sequentially bypasses the top movable pulley in the right magnetic control slider 21, the top two fixed pulleys of the right upper corner driving rope steering seat 41, the bottom inner fixed pulley of the left upper corner driving rope steering seat 43, then downwards passes through the top edge wiring channel 31, upwards bypasses the bottom outer fixed pulley of the right upper corner driving rope steering seat 41, downwards penetrates from the inner side of the top movable pulley groove of the right magnetic control slider 21, bypasses the movable pulley in the right upper corner driving rope steering seat 41, and the other end is fixed at the driving rope fixed end of the right upper driving rope steering seat 41.
The design of the first driving rope 5 can enable the right magnetic control sliding block 21 to synchronously drive the top edge of the blind 3 to lift when lifting, and due to the principle of the movable pulley, the blind can be driven with smaller force.
One end of the second driving rope 6 is fixed at the driving rope fixed end of the right lower corner driving rope steering seat 42, the rope body penetrates into the bottom movable pulley bypassing the inside from the outer side of the bottom movable pulley groove of the right magnetic control sliding block 21, two fixed pulleys at the top of the right lower corner driving rope steering seat 42, and the fixed pulley at the inner side of the top of the left lower corner driving rope steering seat 44, then penetrates upwards through the top edge routing channel 31, then bypasses the fixed pulley at the outer side of the top of the right lower corner driving rope steering seat 42 downwards, penetrates into the inside of the bottom movable pulley groove of the right magnetic control sliding block upwards, bypasses the movable pulley therein, and the other end is fixed at the driving rope fixed end of the right lower driving rope steering seat 42.
The design of the second driving rope 6 not only can assist the right magnetic control sliding block 21 to control the lifting control of the blind 3, but also can enable the right magnetic control sliding block 21 to be in a tight state, so that the right magnetic control sliding block is prevented from sliding in a right side frame at will.
The driving principle of the right magnetic control slide block 22 is that the right magnetic control slide block 21 is pulled down, and the top edge of the blind 3 is driven to move upwards under the pulling of the first driving rope 5, so that the top space of the window body is shielded. The right magnetic control sliding block 21 is pulled up, and the top edge of the blind 3 is driven to move downwards under the pulling of the second driving rope 6, so that the shielding of the top of the window body is opened.
The winding structure of the left magnetic control slider 22 is shown in fig. 5, one end of the third driving rope 7 is fixed at the driving rope fixed end of the left upper corner driving rope steering seat 43, the rope body penetrates from the outer side of the top movable pulley groove of the left magnetic control slider 22, then sequentially bypasses the top movable pulley in the left upper corner driving rope steering seat 43, the top two fixed pulleys of the left upper corner driving rope steering seat 41, the bottom inner fixed pulley of the right upper corner driving rope steering seat 41, then downwards passes through the bottom line channel 32, upwards bypasses the bottom outer fixed pulley of the left upper corner driving rope steering seat 43, downwards penetrates from the inner side of the top movable pulley groove of the left magnetic control slider 22, bypasses the movable pulley in the left upper corner driving rope steering seat 43, and the other end is fixed at the driving rope fixed end of the left upper corner driving rope steering seat 43.
The design of the third driving rope 7 can enable the left magnetic control sliding block 22 to synchronously drive the top edge of the blind 3 to lift when lifting, and the blind can be driven with smaller force due to the principle of the movable pulley.
One end of the fourth driving rope 8 is fixed at the driving rope fixed end of the left lower corner driving rope steering seat 44, the rope body penetrates from the outer side of the bottom movable pulley groove of the left magnetic control sliding block 22, then sequentially bypasses the bottom movable pulley in the rope body, the top two fixed pulleys of the left lower corner driving rope steering seat 44, the top inner fixed pulley of the right lower corner driving rope steering seat 42, upwards passes through the bottom edge routing channel 32, downwards bypasses the top outer fixed pulley of the left lower corner driving rope steering seat 44, upwards penetrates from the inner side of the bottom movable pulley groove of the left magnetic control sliding block 22, bypasses the movable pulley in the rope body, and the other end of the rope body is fixed at the driving rope fixed end of the left lower corner driving rope steering seat 44. The left magnetic control sliding block can be controlled to lift and fall of the bottom edge of the blind, and can be in a tightening state, so that the left magnetic control sliding block is prevented from sliding in the left frame body at will.
The driving principle of the left magnetic control slide block 22 is that the left magnetic control slide block 22 is pulled down, and the bottom edge of the blind 3 is driven to move upwards under the pulling of the third driving rope 7, so that the shielding of the bottom of the window body is opened. The right magnetic control sliding block 22 is pulled up, and the bottom edge of the blind 3 is driven to move downwards under the pulling of the second driving rope 8 so as to shade the top space of the window body.
It should be noted that in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A two-way openable built-in blind glass window comprises a window frame, two glass cover plates respectively covering two sides of the window frame, a blind positioned between the two glass cover plates and a blind driving mechanism arranged in the window frame,
The curtain driving mechanism includes:
the driving rope steering seat comprises four driving rope steering seats which are symmetrically arranged at four corners of the window frame respectively;
the magnetic control sliding block comprises a left magnetic control sliding block and a right magnetic control sliding block, and is respectively arranged in a left frame and a right frame of the window frame;
the left magnetic control sliding block controls the top edge of the blind to ascend or descend through the first driving rope and the second driving rope;
The right magnetic control sliding block controls the lifting or descending of the bottom edge of the blind through the third driving rope and the fourth driving rope.
2. The bi-directionally openable built-in blind glass window of claim 1, wherein said drive cord steering seat is L-shaped with four fixed pulleys at its horizontal end, distributed at four vertices of a square, and drive cord fixed ends at its vertical end.
3. The bi-directionally openable built-in blind glazing of claim 2 wherein the top and bottom edges of the blind are provided with top and bottom edge routing channels, respectively, extending across the width of the blind.
4. The bi-directionally openable built-in blind glass window according to claim 3, wherein the magnetic control sliding block comprises a sliding block main body, wherein movable pulley grooves are respectively formed in the top end and the bottom end of the sliding block main body, movable pulleys are arranged in the movable pulley grooves, a magnetic block mounting groove is formed in the middle of the sliding block main body, a plurality of magnetic blocks are fixed in the magnetic block mounting groove, two pulley grooves are further formed in the magnetic block surface of the sliding block main body, are respectively located above and below the magnetic block mounting groove, and are internally provided with pulleys.
5. The bi-directionally openable built-in blind glass window according to claim 4, wherein one end of the first driving rope is fixed at the driving rope fixed end of the right upper corner driving rope steering seat, the rope body penetrates from the outer side of the top movable pulley groove of the right magnetic control sliding block, then sequentially bypasses the top movable pulley in the first driving rope steering seat, the top two fixed pulleys of the right upper corner driving rope steering seat, the bottom inner fixed pulley of the left upper corner driving rope steering seat, then downwards passes through the top edge routing channel, upwards bypasses the bottom outer fixed pulley of the right upper corner driving rope steering seat, downwards penetrates from the inner side of the top movable pulley groove of the right magnetic control sliding block, and bypasses the movable pulley in the first driving rope steering seat, and the other end of the first driving rope steering seat is fixed at the driving rope fixed end of the right upper corner driving rope steering seat.
6. The bi-directionally openable built-in blind glass window according to claim 4, wherein one end of the second driving rope is fixed at the driving rope fixed end of the right lower angle driving rope steering seat, the rope body penetrates from the outer side of the bottom movable pulley groove of the right magnetic control slider to bypass the bottom movable pulley therein, the top two fixed pulleys of the right lower angle driving rope steering seat, the top inner fixed pulley of the left lower angle driving rope steering seat, then penetrates upwards through the top edge routing channel, then downwards bypasses the top outer fixed pulley of the right lower angle driving rope steering seat, then penetrates upwards from the inner side of the bottom movable pulley groove of the right magnetic control slider, bypasses the movable pulley therein, and the other end is fixed at the driving rope fixed end of the right lower driving rope steering seat.
7. The bi-directionally openable built-in blind glass window according to claim 4, wherein one end of the third driving rope is fixed at the driving rope fixed end of the left upper corner driving rope steering seat, the rope body penetrates from the outer side of the top movable pulley groove of the left upper corner driving rope steering seat, then sequentially bypasses the top movable pulley in the third driving rope steering seat, the top two fixed pulleys of the left upper corner driving rope steering seat, the bottom inner fixed pulley of the right upper corner driving rope steering seat, then downwards passes through the bottom line passage, upwards bypasses the bottom outer fixed pulley of the left upper corner driving rope steering seat, downwards penetrates from the inner side of the top movable pulley groove of the left upper corner driving rope steering seat, and bypasses the movable pulley in the third driving rope steering seat, and the other end of the third driving rope is fixed at the driving rope fixed end of the left upper corner driving rope steering seat.
8. The bi-directionally openable built-in blind glass window according to claim 4, wherein one end of the fourth driving rope is fixed at the driving rope fixed end of the left lower angle driving rope steering seat, the rope body penetrates from the outer side of the bottom movable pulley groove of the left lower angle driving rope steering seat, then sequentially bypasses the bottom movable pulley in the driving rope fixed end, the top two fixed pulleys of the left lower angle driving rope steering seat, the top inner fixed pulley of the right lower angle driving rope steering seat, then upwards passes through the bottom line passage, then downwards bypasses the top outer fixed pulley of the left lower angle driving rope steering seat, then upwards penetrates from the inner side of the bottom movable pulley groove of the left lower angle driving rope steering seat, and bypasses the movable pulley in the driving rope fixed end of the left lower angle driving rope steering seat, and the other end of the fourth driving rope is fixed at the driving rope fixed end of the left lower angle driving rope steering seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421186589.4U CN222457295U (en) | 2024-05-28 | 2024-05-28 | Built-in blind glass window capable of being opened in two directions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421186589.4U CN222457295U (en) | 2024-05-28 | 2024-05-28 | Built-in blind glass window capable of being opened in two directions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222457295U true CN222457295U (en) | 2025-02-11 |
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ID=94456980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421186589.4U Active CN222457295U (en) | 2024-05-28 | 2024-05-28 | Built-in blind glass window capable of being opened in two directions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222457295U (en) |
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2024
- 2024-05-28 CN CN202421186589.4U patent/CN222457295U/en active Active
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