CN214740644U - Invisible magnetic attraction structure and door - Google Patents

Invisible magnetic attraction structure and door Download PDF

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Publication number
CN214740644U
CN214740644U CN202120378331.4U CN202120378331U CN214740644U CN 214740644 U CN214740644 U CN 214740644U CN 202120378331 U CN202120378331 U CN 202120378331U CN 214740644 U CN214740644 U CN 214740644U
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door
magnetic
mounting
magnetic part
mounting seat
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CN202120378331.4U
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李小聪
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Abstract

The utility model relates to the technical field of sealing and sound insulation, and discloses a hidden magnetic attraction structure and a door, which comprises a magnetic adsorption component arranged between a door frame and a door plate, wherein the magnetic adsorption component comprises a first magnetic part arranged on the door frame and a second magnetic part arranged on the door plate and attracted with the first magnetic part; the second magnetic part comprises a mounting seat and a magnetic block, the mounting seat is mounted in the outer frame of the door panel and corresponds to the first magnetic part in position, and the magnetic block is mounted on one side, close to the first magnetic part, of the mounting seat; the utility model provides a pair of stealthy magnetic attraction structure and door, sealed sound insulation is effectual, stealthy structural design, and pleasing to the eye degree is high, can adapt to the installation of various colour doors, simple structure, and simple to operate is swift, has promoted the reliability that the product used.

Description

Invisible magnetic attraction structure and door
Technical Field
The utility model relates to a sealed sound insulation technical field, concretely relates to stealthy magnetic attraction structure and door.
Background
Traditional indoor door, in order to solve sealed syllable-dividing problem, set up the sealing strip between door frame and door plant usually, nevertheless because can have accumulative error in production and the installation, consequently, often leave the clearance between door plant and the door frame, be difficult to reach the sealed effect of ideal, be difficult to reach the problem of the sealed effect of ideal in order to solve traditional sealing strip, thereby it can reach good sealed syllable-dividing effect to guarantee to reach through the actuation between door plant and the door frame to install the mode of magnetism sealing strip on the door frame to present more adoption on the market.
Although installing the magnetism sealing strip on the door shield of door frame, through the mutual actuation of door plant and door shield, can improve sealed effect, but traditional magnetism sealing strip need adopt the mode of embedding to install in the embedded groove on the door shield, need extend the setting completely along the length direction of door shield moreover, and the installation of whole magnetism sealing strip is comparatively troublesome.
In addition, the color of the existing magnetic sealing strip is basically dark, and the magnetic sealing strip is exposed outside after being installed, so that the magnetic sealing strip is difficult to be integrally matched with a light-colored door frame and a door panel, and the integral attractiveness of the door body is directly influenced.
Furthermore, from the angle of the outer surface smoothness of door frame and door plant, the problem at clearance dead angle also can exist to door body surface unevenness, cleans very inconveniently, and the traditional design that adopts installation magnetism sealing strip, the sanitary dead angle then appears very easily in embedded mounting structure, cleans for the health at home and brings inconvenience.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the above-mentioned prior art, the utility model provides a stealthy magnetic suction structure and door, sealed sound insulation is effectual, stealthy structural design, and pleasing to the eye degree is high, can adapt to the installation of various colour doors, simple structure, and simple to operate is swift, has promoted the reliability that the product used.
The utility model discloses the technical scheme who adopts does:
a hidden magnetic attraction structure and a door comprise a magnetic attraction component arranged between a door frame and a door plate, wherein the magnetic attraction component comprises a first magnetic part arranged on the door frame and a second magnetic part arranged on the door plate and attracted with the first magnetic part, a door stop of the door frame is provided with a sealing strip, and the first magnetic part is arranged between the sealing strip and the door stop; the second magnetic part comprises a mounting seat and a magnetic block, the mounting seat is mounted in an outer frame of the door panel and corresponds to the first magnetic part in position, and the magnetic block is mounted on one side, close to the first magnetic part, of the mounting seat.
In the technical scheme, the first magnetic part and the second magnetic part are mutually attracted and are respectively installed on the door frame and the door plate, so that the door plate and the door frame can be tightly attracted, and in addition, the sealing strip is arranged on the door stop of the door frame, so that the good sealing effect can be ensured when the door frame and the door plate are tightly attracted. The first magnetic part is arranged between the sealing strip and the door stop, namely, the sealing strip hides the first magnetic part, so that the outer surface of the door frame is ensured to have a good appearance structure, and the installation is convenient and rapid; secondly, because the second magnetism spare includes mount pad and magnetic path, through the magnetic force actuation between magnetic path and the first magnetism spare, because the mount pad also adopts hidden mounting means, install in the outline of door plant, through installing the magnetic path in the one side that is close to first magnetism spare on the mount pad, then the rethread mount pad is injectd the magnetic path in the outline with the position that first magnetism spare corresponds, the actuation effect of first magnetism spare with the magnetic path has been guaranteed, fix the structural design in the outline with the magnetic path through the mount pad, not only reached and hidden the effect of installing on the door plant with the magnetism spare, the convenience of installation has also been improved simultaneously. To sum up, this technical scheme, no matter be the first magnetic part on the door frame or the second magnetic part on the door plant, all adopt hidden mounting structure, hidden mounting structure can adapt to the installation of various colour doors, and pleasing to the eye degree is high, and door body surface roughness is high, easily cleans, and can reach good sealed syllable-dividing effect, and it is simple to have structural design simultaneously, and installation simple operation, labour saving and time saving, advantage that the installation effectiveness is high has promoted the reliability of product use.
Further, in order to achieve a better sealing and sound insulation effect, two magnetic sealing assemblies are arranged between the door frame and the door panel, and the two magnetic sealing assemblies are respectively arranged at positions close to the upper end and the lower end of the door panel. That is, two first magnetic parts are respectively arranged at positions on the door shield close to the upper end and the lower end of the door shield, and two second magnetic parts are respectively arranged at positions on the outer frame opposite to the corresponding first magnetic parts.
Further, in order to conveniently realize that the structure of mount pad is unified, can adapt to the installation at the upper end and the lower extreme of outline simultaneously, the symmetry is equipped with two installation positions on the mount pad, is first installation position and second installation position respectively, the magnetic path is installed in first installation position or second installation position department, in the mount pad pushes the outline from the upper end or the lower extreme of outline respectively, installs the magnetic path from the first installation position department of the mount pad that the outline upper end pushed, installs the magnetic path from the second installation position department of the mount pad that the outline lower extreme pushed.
That is, no matter the mount pad is pushed in from the upper end or the lower extreme of outline, the magnetic path all is towards the one side that is close to the door shield, guarantees the actuation effect of the first magnetism spare of installation on the door shield.
It should be noted that, first magnetic part is also the magnetic path, in order to guarantee the level and smooth effect of sealing strip, consequently, is equipped with the constant head tank that is used for installing first magnetic part on the door shield, and the magnetic path is installed in the constant head tank, makes the surperficial parallel and level of magnetic path and door shield as far as possible, and the level and smooth effect of better realization sealing strip promotes the sealed effect between door plant and the door frame.
Furthermore, in order to conveniently realize the installation of the magnetic block, the installation position is an installation groove which is matched with the size of the magnetic block.
Further, the length of installation position all is less than the length of mount pad, and the mount pad is whole to be rectangular shape, when installing to the outline in, all extends to the middle part of outline from the upper and lower end of outline, and the suitable length of mount pad can realize pushing the magnetic path to the appropriate position in the outline to reach better actuation effect with the cooperation of first magnetic part.
Furthermore, in order to better realize the installation of the installation seat and the limitation of the position, a limiting space for limiting the position of the installation seat is arranged in the outer frame.
Further, for the convenient installation that realizes the mount pad, the front end plate of outline and the inboard of back end plate all are equipped with the bar sand grip, spacing space is enclosed by the right side board of outline, front end plate, back end plate and two bar sand grips.
Further, for the location installation of better realization mount pad, the one end that the installation position was kept away from to the mount pad is equipped with the extension piece, under the state that the upper end or the lower extreme of mount pad pushed completely from the outline, the extension piece offsets with the bar sand grip.
In order to reduce the weight of the structure, facilitate installation and ensure the structural strength, the installation seat is provided with a plurality of grooves, and the arrangement direction of the grooves is opposite to the extension direction of the extension blocks. In the mount pad pushed the outline, the open end of recess and the inside wall butt of outline formed the closed chamber, can guarantee overall structure intensity, and at the in-process that the mount pad pushed, can reduce friction area, and the resistance is less, changes in the installation. The extending direction of the extending block is consistent with the extending direction of the upper frame and the lower frame, the arrangement of the extending block realizes the limitation of the pushing degree of the mounting seat through the butt with the strip-shaped raised lines in the mounting process of the mounting seat, and meanwhile, the upper frame and the lower frame are convenient to align with the upper end and the lower end of the outer frame respectively to guide the mounting process. That is, for the installation of convenient frame and lower frame, the tip of mount pad does not surpass the tip of outline under the state that the mount pad pushed the outline completely, and the tip of extension piece and the tip parallel and level of outline conveniently guide frame, lower frame respectively with the butt joint installation of outline upper end and lower extreme.
This technical scheme still provides a door, includes door plant and door frame and installs the stealthy magnetic attraction structure between door plant and door frame.
Furthermore, in order to meet the personalized use requirement, the door lock further comprises an anti-locking structure arranged between the door plate and the door frame. In considering bathroom door's the use, the traditional lock that adopts the slidingtype spring bolt, at the in-process of closing the door, always bump with the door frame, produce sound, influence result of use, consequently, combine indoor bathroom door's user demand, this technical scheme only designs the back-locking structure, the in-process that the back-lock was opened is closed the door and is not had strong collision sound, when needs lock door, from the inboard of door close the back-lock can, more accord with bathroom door's user demand when solving traditional door abnormal sound.
The utility model has the advantages that: in the technical scheme, the first magnetic part and the second magnetic part are mutually attracted and are respectively installed on the door frame and the door plate, so that the door plate and the door frame can be tightly attracted, and in addition, the sealing strip is arranged on the door stop of the door frame, so that the good sealing effect can be ensured when the door frame and the door plate are tightly attracted. The first magnetic part is arranged between the sealing strip and the door stop, namely, the sealing strip hides the first magnetic part, so that the outer surface of the door frame is ensured to have a good appearance structure, and the installation is convenient and rapid; secondly, because the second magnetism spare includes mount pad and magnetic path, through the magnetic force actuation between magnetic path and the first magnetism spare, because the mount pad also adopts hidden mounting means, install in the outline of door plant, through installing the magnetic path in the one side that is close to first magnetism spare on the mount pad, then the rethread mount pad is injectd the magnetic path in the outline with the position that first magnetism spare corresponds, the actuation effect of first magnetism spare with the magnetic path has been guaranteed, fix the structural design in the outline with the magnetic path through the mount pad, not only reached and hidden the effect of installing on the door plant with the magnetism spare, the convenience of installation has also been improved simultaneously. To sum up, this technical scheme, no matter be the first magnetic part on the door frame or the second magnetic part on the door plant, all adopt hidden mounting structure, hidden mounting structure can adapt to the installation of various colour doors, and pleasing to the eye degree is high, and door body surface roughness is high, easily cleans, and can reach good sealed syllable-dividing effect, and it is simple to have structural design simultaneously, and installation simple operation, labour saving and time saving, advantage that the installation effectiveness is high has promoted the reliability of product use.
Drawings
FIG. 1 is a schematic view of the structure of the present invention mounted on a door;
fig. 2 is a perspective view of the present invention;
fig. 3 is a schematic structural diagram of a first viewing angle of the present invention;
fig. 4 is a schematic structural diagram of a second viewing angle of the present invention;
FIG. 5 is a schematic structural view of the center subassembly of the present invention;
fig. 6 is a schematic structural view of the mounting seat of the present invention;
FIG. 7 is a schematic structural view of the magnetic block of the present invention in an installed state;
fig. 8 is a schematic structural view of another view angle of the mounting base of the present invention.
In the figure: a doorframe 1; a door panel 2; a first magnetic member 3; a door shield 4; a seal strip 5; a mounting seat 6; a magnetic block 7; an outer frame 8; a first mounting location 9; a second mounting location 10; a strip-shaped convex strip 11; a right side plate 12; a front end plate 13; a rear end plate 14; an extension block 15; a recess 16; an upper frame 17; a lower rim 18.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1:
as shown in fig. 1 to 8, the present embodiment provides an invisible magnetic attraction structure and a door, including a magnetic attraction component installed between a door frame 1 and a door panel 2, where the magnetic attraction component includes a first magnetic part 3 installed on the door frame 1 and a second magnetic part installed on the door panel 2 and attracted to the first magnetic part 3, a door stop 4 of the door frame 1 is provided with a sealing strip 5, and the first magnetic part 3 is installed between the sealing strip 5 and the door stop 4; the second magnetic part comprises an installation seat 6 and a magnetic block 7, the installation seat 6 is installed in an outer frame 8 of the door panel 2, the installation seat 6 corresponds to the first magnetic part 3 in position, and the magnetic block 7 is installed on one side, close to the first magnetic part 3, of the installation seat 6.
In this technical scheme, because first magnetism spare 3 and the mutual actuation of second magnetism spare, and the two is installed respectively on door frame 1 and door plant 2, can realize the inseparable actuation of door plant 2 and door frame 1, in addition, because be equipped with sealing strip 5 on the door shield 4 of door frame 1, also can guarantee to have good sealed effect when door frame 1 and the inseparable actuation of door plant 2. It is important to be noted that, because the first magnetic member 3 is installed between the sealing strip 5 and the door stop 4, that is, the sealing strip 5 hides the first magnetic member 3, the outer surface of the door frame 1 is ensured to have a good appearance structure, and the installation is convenient and fast; secondly, because the second magnetic part includes mount pad 6 and magnetic path 7, through the magnetic force actuation between magnetic path 7 and the first magnetic part 3, because mount pad 6 also adopts hidden mounting means, install in the outline 8 of door plant 2, through installing one side that is close to first magnetic part 3 on mount pad 6 with magnetic path 7, then rethread mount pad 6 prescribes magnetic path 7 in the position that corresponds with first magnetic part 3 in outline 8, the actuation effect of first magnetic part 3 with magnetic path 7 has been guaranteed, fix the structural design in outline 8 with magnetic path 7 through mount pad 6, not only reached and hidden the effect of installing on door plant 2 with the magnetic part, the convenience of installation has also been improved simultaneously. To sum up, this technical scheme, no matter be the first magnetic part 3 on the door frame 1 or the second magnetic part on the door plant 2, all adopt hidden mounting structure, hidden mounting structure can adapt to the installation of various colour doors, and pleasing to the eye degree is high, and door body surface roughness is high, easily cleans, and can reach good sealed syllable-dividing effect, and it is simple to have structural design simultaneously, and installation simple operation, labour saving and time saving, advantage that the installation effectiveness is high has promoted the reliability of product use.
Example 2:
this embodiment is optimized based on embodiment 1 described above.
In order to achieve a better sealing and sound insulation effect, two magnetic sealing assemblies are arranged between the door frame 1 and the door panel 2 and are respectively arranged at positions close to the upper end and the lower end of the door panel 2. That is, the two first magnetic members 3 are respectively disposed on the door stopper 4 at positions close to the upper end and the lower end of the door stopper 4, and the two second magnetic members are respectively disposed on the outer frame 8 at positions opposite to the corresponding first magnetic members 3.
Example 3:
this embodiment is optimized based on embodiment 2 described above.
In order to conveniently realize the unified structure of the mounting base 6, the mounting base can be adapted to the mounting at the upper end and the lower end of the outer frame 8, two mounting positions are symmetrically arranged on the mounting base 6 and are respectively a first mounting position 9 and a second mounting position 10, the magnetic block 7 is mounted at the first mounting position 9 or the second mounting position 10, the mounting base 6 is pushed into the outer frame 8 from the upper end or the lower end of the outer frame 8, the magnetic block 7 is mounted at the first mounting position 9 of the mounting base 6 pushed into the upper end of the outer frame 8, and the magnetic block 7 is mounted at the second mounting position 10 of the mounting base 6 pushed into the lower end of the outer frame 8.
That is, no matter the mount pad 6 is pushed in from the upper end or the lower end of the outer frame 8, the magnetic block 7 is towards the side close to the door shield 4, and the attraction effect of the first magnetic part 3 mounted on the door shield 4 is ensured.
It should be noted that first magnetic part 3 is also magnetic block 7, in order to guarantee the level and smooth effect of sealing strip 5, consequently, is equipped with the constant head tank that is used for installing first magnetic part 3 on door shield 4, and magnetic block 7 installs in the constant head tank, makes the surface of magnetic block 7 and the surface parallel and level of door shield 4 as far as possible, and the better level and smooth effect that realizes sealing strip 5 promotes the sealed effect between door plant 2 and the door frame 1.
Example 4:
this embodiment is optimized based on embodiment 3 described above.
In order to conveniently realize the installation of the magnetic block 7, the installation position is an installation groove which is matched with the size of the magnetic block 7.
Example 5:
this embodiment is optimized based on embodiment 4 described above.
The length of installation position all is less than the length of mount pad 6, and mount pad 6 is whole to be rectangular shape, when installing in outline 8, all extends from the middle part of the outside frame 8 of the upper and lower end of outline 8, and the suitable length of mount pad 6 can realize pushing into magnetic path 7 suitable position in outline 8 to reach better actuation effect with the cooperation of first magnetic part 3.
Example 6:
this embodiment is optimized based on embodiment 5 described above.
In order to better realize the installation of the installation seat 6 and the position limitation, a limiting space for limiting the position of the installation seat 6 is arranged in the outer frame 8.
Example 7:
this embodiment is optimized based on embodiment 6 described above.
In order to facilitate the installation of the installation seat 6, the inner sides of the front end plate 13 and the rear end plate 14 of the outer frame 8 are provided with strip-shaped convex strips 11, and the limit space is enclosed by the right side plate 12 of the outer frame 8, the front end plate 13, the rear end plate 14 and the two strip-shaped convex strips 11.
Example 8:
this embodiment is optimized based on embodiment 7 described above.
For the location installation of better realization mount pad 6, the one end that the mount pad 6 kept away from the installation position is equipped with extension piece 15, and under the state that mount pad 6 pushed completely from the upper end of outline 8 or lower extreme, extension piece 15 offseted with bar sand grip 11.
In order to reduce the weight of the structure, facilitate the installation and ensure the structural strength, the installation seat 6 is provided with a plurality of grooves 16, and the opening direction of the grooves 16 is opposite to the extending direction of the extending blocks 15. In mount pad 6 pushed into outline 8, the open end of recess 16 and the inside wall butt of outline 8 formed the closed chamber, can guarantee overall structure intensity, and at the in-process that mount pad 6 pushed into, can reduce friction area, the resistance is less, changes in the installation. The extending direction of the extending block 15 is consistent with the extending direction of the upper frame 17 and the lower frame 18, the arrangement of the extending block 15 realizes the limitation of the pushing degree of the mounting seat 6 through the butt with the strip-shaped convex strip 11 in the mounting process of the mounting seat 6, and simultaneously, the upper frame 17 and the lower frame 18 are convenient to align with the upper end and the lower end of the outer frame 8 respectively for guiding the mounting process. That is, in order to facilitate the installation of the upper frame 17 and the lower frame 18, the end of the mounting seat 6 does not exceed the end of the outer frame 8 in the state that the mounting seat 6 is completely pushed into the outer frame 8, the end of the extension block 15 is flush with the end of the outer frame 8, and the upper frame 17 and the lower frame 18 are conveniently guided to be respectively installed in a butt joint manner with the upper end and the lower end of the outer frame 8.
Example 9:
as shown in fig. 1 to 8, the present technical solution further provides a door, which includes a door panel 2, a door frame 1, and a hidden magnetic attraction structure as in any one of embodiments 1 to 8 installed between the door panel 2 and the door frame 1.
Example 10:
this embodiment is optimized based on embodiment 9 described above.
In order to meet the individual use requirement, the door lock further comprises an anti-locking structure arranged between the door plate 2 and the door frame 1. In considering bathroom door's the use, the traditional lock that adopts the slidingtype spring bolt, at the in-process of closing the door, always bump with door frame 1, produce sound, influence result of use, consequently, combine indoor bathroom door's user demand, this technical scheme only designs the back-locking structure, the in-process that the back-lock was opened is closed the door and is not had strong collision sound, when needs lock door, from the inboard of door close the back-lock can, more accord with bathroom door's user demand when solving traditional door abnormal sound.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.

Claims (10)

1. A stealthy magnetism is inhaled structure which characterized in that: the magnetic adsorption component comprises a first magnetic part arranged on the door frame and a second magnetic part arranged on the door plate and attracted with the first magnetic part, a sealing strip is arranged on a door stop of the door frame, and the first magnetic part is arranged between the sealing strip and the door stop; the second magnetic part comprises a mounting seat and a magnetic block, the mounting seat is mounted in an outer frame of the door panel and corresponds to the first magnetic part in position, and the magnetic block is mounted on one side, close to the first magnetic part, of the mounting seat.
2. The invisible magnetic attraction structure of claim 1, wherein: two magnetic sealing components are arranged between the door frame and the door plate and are respectively arranged at the positions close to the upper end and the lower end of the door plate.
3. The invisible magnetic attraction structure of claim 1, wherein: the magnetic block mounting device is characterized in that two mounting positions, namely a first mounting position and a second mounting position, are symmetrically arranged on the mounting seat, the magnetic block is mounted at the first mounting position or the second mounting position, the mounting seat is pushed into the outer frame from the upper end or the lower end of the outer frame respectively, the magnetic block is mounted at the first mounting position of the mounting seat pushed into the upper end of the outer frame, and the magnetic block is mounted at the second mounting position of the mounting seat pushed into the lower end of the outer frame.
4. The invisible magnetic attraction structure of claim 3, wherein: the mounting position is a mounting groove matched with the size of the magnetic block.
5. The invisible magnetic attraction structure of claim 3, wherein: the length of the mounting position is smaller than that of the mounting seat.
6. The invisible magnetic attraction structure of claim 1, wherein: and a limiting space for limiting the position of the mounting seat is arranged in the outer frame.
7. The invisible magnetic attraction structure of claim 6, wherein: the front end plate of outline and the inboard of back end plate all are equipped with the bar sand grip, spacing space is enclosed by the right side board of outline, front end plate, back end plate and two bar sand grips.
8. The invisible magnetic attraction structure of claim 7, wherein: the one end that the installation position was kept away from to the mount pad is equipped with the extension piece, under the state that the upper end or the lower extreme of mount pad pushed completely from the outline, the extension piece offsets with the bar sand grip.
9. A door, characterized in that: the invisible magnetic attraction structure comprises a door plate and a door frame and is installed between the door plate and the door frame, and the invisible magnetic attraction structure is as claimed in any one of claims 1 to 8.
10. A door as claimed in claim 9, wherein: the door lock further comprises a back locking structure arranged between the door plate and the door frame.
CN202120378331.4U 2021-02-18 2021-02-18 Invisible magnetic attraction structure and door Active CN214740644U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202120378331.4U CN214740644U (en) 2021-02-18 2021-02-18 Invisible magnetic attraction structure and door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202120378331.4U CN214740644U (en) 2021-02-18 2021-02-18 Invisible magnetic attraction structure and door

Publications (1)

Publication Number Publication Date
CN214740644U true CN214740644U (en) 2021-11-16

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Application Number Title Priority Date Filing Date
CN202120378331.4U Active CN214740644U (en) 2021-02-18 2021-02-18 Invisible magnetic attraction structure and door

Country Status (1)

Country Link
CN (1) CN214740644U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727275A (en) * 2021-02-18 2021-04-30 李小聪 Invisible magnetic attraction structure and door

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112727275A (en) * 2021-02-18 2021-04-30 李小聪 Invisible magnetic attraction structure and door

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