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CN211144282U - Sound insulation door - Google Patents

Sound insulation door Download PDF

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Publication number
CN211144282U
CN211144282U CN201921825580.2U CN201921825580U CN211144282U CN 211144282 U CN211144282 U CN 211144282U CN 201921825580 U CN201921825580 U CN 201921825580U CN 211144282 U CN211144282 U CN 211144282U
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CN
China
Prior art keywords
door
soundproof
sound
sound insulation
door body
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Expired - Fee Related
Application number
CN201921825580.2U
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Chinese (zh)
Inventor
贾超
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Hubei Youxi Culture Media Co ltd
Original Assignee
Hubei Youxi Hotel Management Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN201921825580.2U priority Critical patent/CN211144282U/en
Application granted granted Critical
Publication of CN211144282U publication Critical patent/CN211144282U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The application relates to the technical field of building doors. The sound insulation door comprises a door body, a door body and a door body, wherein a sound insulation cavity is arranged on the door body; the sound insulation module comprises a first sound insulation felt, sound absorption cotton, a sound insulation board and a second sound insulation felt which are sequentially stacked; and is disposed in the sound-insulating chamber. This disclosed embodiment uses through the cooperation of three kinds of different sound insulation materials, has guaranteed syllable-dividing effect promptly, has controlled soundproof door's thickness again effectively, has still controlled soundproof door's cost for soundproof door thickness is moderate, and soundproof effect is good, and the switch is comfortable, and is with low costs. The door is suitable for rooms of movie hotels; meanwhile, the door body is also suitable for other door bodies in environments with high-decibel sound sources, such as KTV rooms, chess and card rooms and the like.

Description

Sound insulation door
Technical Field
The application relates to the technical field of building doors, for example to a soundproof door.
Background
At present, with the higher and higher requirements of people on entertainment life, film hotels appear, namely, hotels capable of watching cinema movies in rooms, and the film watching comfort level of people is improved. In order to ensure the playing effect of the movie, a high-standard sound box system, for example, a 5.1 channel sound box system, is generally configured in a room to have a super-shocked hearing feeling, so that sound insulation of the room becomes an important solution of the movie hotel in the construction stage. In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art: the existing door body has poor sound insulation effect and cannot meet the sound insulation requirement of a film hotel.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a soundproof door to solve the technical problem that the soundproof effect of the existing door body is poor.
In some embodiments, the soundproof door includes, in some embodiments,
the door body is provided with a sound insulation cavity;
the sound insulation module comprises a first sound insulation felt, sound absorption cotton, a sound insulation board and a second sound insulation felt which are sequentially stacked; and is disposed in the sound-insulating chamber.
The soundproof door that this disclosed embodiment provided can realize following technological effect:
in the soundproof door of the embodiment of the present disclosure, the soundproof effect is ensured through the cooperation of three different soundproof materials, the thickness of the soundproof door is effectively controlled, and the cost of the soundproof door is also controlled, so that the soundproof door is moderate in thickness, good in soundproof effect, comfortable to open and close, and low in cost. The door is suitable for rooms of movie hotels; meanwhile, the door body is also suitable for other door bodies in environments with high-decibel sound sources, such as KTV rooms, chess and card rooms and the like.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated in the accompanying drawings, which correspond to the accompanying drawings, and which do not constitute a limitation on the embodiments, in which elements having the same reference number designation are shown as similar elements, and in which:
fig. 1 is a schematic structural view of a soundproof door according to an embodiment of the present disclosure;
fig. 2 is a schematic structural view of a soundproof door provided in the embodiment of the present disclosure;
FIG. 3 is a schematic structural view of a soundproof door provided by the embodiment of the disclosure; the inner door panel is not shown in the figure;
reference numerals:
10: a door body; 100. a sound-insulating chamber; 11. an outer door panel; 111. an outer multi-layer door panel; 112. an outer decorative layer; 12. an inner door panel; 121. an inner multi-layer board; 122. an inner decorative layer; 131. a left seal; 132. a right seal; 133. an upper sealing piece; 134. a lower seal; 20: a sound insulation module; 21. a first deadening felt; 22. sound-absorbing cotton; 23. a sound insulating board; 24. a second deadening felt; 25. supporting a grid frame; 251. a frame; 252. supporting ribs; 30. a vertical support.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
In this document, it is to be understood that relational terms such as first and second, and the like, may be used solely to distinguish one entity or structure from another entity or structure without necessarily requiring or implying any actual such relationship or order between such entities or structures.
In this document, it is to be understood that the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present disclosure.
In this document, unless otherwise specified and limited, it is to be understood that the terms "mounted," "connected," and "connected" are used broadly and may be, for example, mechanically or electrically connected, or may be connected through two elements, directly or indirectly through an intermediate medium, and those skilled in the art will understand the specific meaning of the terms as they are used in a specific situation.
In this context, it is to be understood that the term "plurality" means two or more.
The disclosed embodiment provides a soundproof door. As shown in fig. 1 to 3, the soundproof door includes a door body 10 and a soundproof module 20. The door body 10 is provided with a sound insulation cavity 100; the soundproof module 20 includes a first soundproof felt 21, a sound absorbing cotton 22, a soundproof plate 23, and a second soundproof felt 24, which are sequentially stacked, and the soundproof module 20 is disposed in the soundproof chamber 100.
In the soundproof door of the embodiment of the present disclosure, the soundproof effect is ensured through the cooperation of three different soundproof materials, the thickness of the soundproof door is effectively controlled, and the cost of the soundproof door is also controlled, so that the soundproof door is moderate in thickness, good in soundproof effect, comfortable to open and close, and low in cost. The door is suitable for rooms of movie hotels; meanwhile, the door body is also suitable for other door bodies in environments with high-decibel sound sources, such as KTV rooms, chess and card rooms and the like. The soundproof door of the embodiment of the disclosure can reduce the sound of 110 decibels to 49 decibels, and has good soundproof effect.
In some embodiments, the sound-absorbing cotton 22 in the soundproof module 20 is located at the outer side of the door body 10, and the soundproof plate 23 is located at the inner side of the door body 10. Here, "inside" and "outside" mean that the side located inside the room after the soundproof door is installed is the inside, and the side located outside the room is the outside. High-decibel sound passes through the sound insulation board 23 first, absorbs vibration and the like generated by the sound to the air, and then absorbs the sound by using the sound absorption cotton, so that the effect is good.
In some embodiments, the soundproof door further includes a vertical support 30 provided between an edge of the soundproof module 20 and an inner wall of the soundproof chamber 100. Alternatively, the edge of the soundproof module 20 is a left edge, or a right edge, or a left edge and a right edge of the soundproof module 20. When the limiting sound insulation module 20 is played, the door body 10 is also supported, and the strength of the door body 10 is ensured.
Alternatively, the vertical support 30 is made of a metal member, for example, square steel. The strength of the door body 10 is ensured, and the deformation of the door body 10 is prevented.
In some embodiments, as shown in fig. 3, the sound insulation module 20 further includes a supporting grid 25, wherein the sound absorption cotton 22 is filled in the grid; the first deadening felt 21 is provided on one side surface of the supporting grid 25, and the soundproof plate 23 and the second deadening felt 24 are provided in this order on the other side surface. The supporting grid frame 25 can provide a fixing support for the sound-absorbing cotton 22, and can also be used as a fixing support for the first deadening felt 21, the sound-insulating board 23 and the second deadening felt 24, so that the sound-insulating module 20 forms a whole body, and is convenient to assemble into the sound-insulating cavity 100 of the door body 10.
In the present embodiment, the structure of the supporting lattice frame 25 is not limited as long as it can be filled with the sound-absorbing cotton 22 and can have a supporting function. The shape of the mesh is also not limited.
Optionally, the support grid 25 includes a frame 251 and support ribs 252; the support ribs 252 are provided in the frame 251 to form a mesh portion. The number and arrangement of the support ribs 252 are not limited. The supporting ribs are multiple and can be arranged in parallel along the same direction or arranged in a crossed manner along different directions.
In some embodiments, the support ribs 252 include first forward support ribs and/or lateral support ribs.
Optionally, the support grid 25 includes a frame 251 and first downward support ribs (lateral support ribs 252); the first direction support ribs are arranged on the frame in parallel along the first direction to form a first direction ladder-shaped support grid frame. The first direction can be a horizontal direction, a vertical direction or a direction with any angle between the horizontal direction and the vertical direction. For example, where the first orientation is transverse, the support grid forms a transverse ladder-shaped support grid (as shown in FIG. 3). For another example, where the first direction is vertical, the support grid may form a vertical ladder-shaped support grid.
Optionally, the support grid comprises a frame, first directional support bars and second directional support bars; the first direction supporting ribs are arranged on the frame along the first direction, the second direction supporting ribs are arranged on the frame along the second direction, and the first direction and the second direction are different to form a crossed grid-shaped supporting grid frame. The shape of the grid may be square or parallelogram, e.g. square or diamond.
Of course, the arrangement of the support ribs is not limited to the above-described arrangement in which one direction or two directions intersect with each other, and may be arranged in which a plurality of directions intersect with each other.
In some embodiments, a first structure is disposed on the support grid; a second structural body is arranged on the inner wall of the sound insulation cavity 100; the first structure and the second structure can be fastened together. That is, the support grid can be fastened with the inner wall of the sound insulation cavity 100, and the position of the support grid in the sound insulation cavity 100 is relatively fixed, so that when the sound insulation cavity is used in the later period, the displacement caused by the gravity of the support grid can be effectively avoided, and the sound insulation effect is ensured.
In this embodiment, the specific form of the first structure and the second structure is not limited, as long as the fastening is realized. Optionally, the first structural member is a suspension loop, the second structural member is a suspension loop groove, and an opening direction of the suspension loop groove is upward, where "up" is determined by an orientation of the door body after installation. At this time, the hangers on the supporting grid are hung in the hanger grooves of the sound-insulating chamber 100. The hanging lug groove can be formed in the inner wall of the sound insulation cavity 100 or can be convexly formed on the inner wall of the sound insulation cavity 100. The structure of the hanger is not limited, for example, a hook shape. Of course, the first structure may be an ear hanging groove (in this case, the opening direction of the ear hanging groove is downward), the second structure may be an ear hanging groove, and the ear hanging groove on the support grid frame is buckled on the ear hanging of the sound insulation cavity 100. And is not limited.
The soundproof door of the embodiment of the present disclosure achieves a better soundproof effect by controlling the thickness ratio of each layer in the soundproof module 20 in anticipation of the same thickness.
In some embodiments, the thickness ratio of the sound-absorbing wool 22 to the sound-insulating panel 23 is 2 to 2.5: 1.
Optionally, the thickness ratio of the sound-absorbing cotton 22 to the sound insulation board 23 is 2.2-2.4: 1.
Alternatively, the sound-absorbing wool 22 and the baffle 23 have a thickness ratio of 2.3: 1.
In some embodiments, the sound-absorbing wool 22 has a thickness of 8mm to 12 mm.
Optionally, the sound-absorbing cotton 22 has a thickness of 9mm to 11 mm.
Optionally, the sound-absorbing wool 22 has a thickness of 10 mm.
In some embodiments, the first and second deadening felts 21 and 24 have a thickness of 1mm to 3 mm. Optionally, the thickness is 2 mm.
In the embodiment of the present disclosure, the deadening felt is a planar product, and the arrangement manner of the deadening felt may be, but is not limited to, a planar arrangement.
In some embodiments, the first deadening felt 21 and/or the second deadening felt 24 are arranged in a wave shape. The sound-proof felt with the wave-shaped arrangement has the sound-proof effect of the plane sound-proof felt and simultaneously forms an air layer, and the sound-proof effect can be further improved by utilizing the air layer.
Alternatively, the difference in height between the peaks and the valleys of the first deadening felt 21 and/or the second deadening felt 24 arranged in the waveform is 3mm to 8 mm. Optionally, the height difference is 4mm to 6 mm. Optionally, the height difference is 5 mm.
In some embodiments, the soundproof door further includes a door bottom seam sealing device disposed on a bottom wall of the door body 10. The sealing of the gap between the bottom seam of the door body 10 and the ground is ensured, and the sound insulation effect is further improved. The door bottom seam sealing device adopts the conventional technology.
In the embodiment of the present disclosure, the door body 10 has the sound insulation cavity 100, and the formation manner of the sound insulation cavity 100 is not limited. In some embodiments, the door 10 includes an outer door panel 11, an inner door panel 12, and a sealing frame, wherein the outer door panel 11 and the inner door panel 12 are disposed opposite to each other at a predetermined distance, and the sealing frame is disposed around the outer door panel 11 and the inner door panel 12 to form the door 10 having the sound-insulating chamber 100.
In some embodiments, outer door panel 11, including outer multi-layer panel 111 and outer decorative layer 112, outer decorative layer 112 is disposed on one side of outer multi-layer panel 111;
an inner door panel 12 including an inner multi-layer sheet 121 and an inner decoration layer 122, the inner decoration layer 122 being disposed on one side surface of the inner multi-layer sheet 121;
outer door panel 11 and inner door panel 12 are disposed at a set distance in such a manner that outer multilayer panel 111 and inner multilayer panel 121 face each other.
In this embodiment, the set pitch is the entire thickness of the sound insulation module 20.
Alternatively, the outer multilayer board 111 and the inner multilayer board 121 employ solid wood multilayer boards.
Alternatively, the outer multi-layer plate 111 and the inner multi-layer plate 121 each have a thickness of 8mm to 10 mm. Optionally, the thickness is 9mm each.
Alternatively, the outer decorative layer 112 and the inner decorative layer 122 are made of wood veneer with a thickness of 0.8 mm.
In the embodiment of the present disclosure, the edge sealing frame is used to surround the outer door panel 11 and the inner door panel 12, so as to form the sound insulation cavity 100. In some embodiments, the edge sealing frame includes a left sealing piece 131, a right sealing piece 132, an upper sealing piece 133 and a lower sealing piece 134 which are connected end to end in sequence. The terms "upper", "lower", "left" and "right" herein are defined as viewing angles at the outer or inner side of the door body. The edge sealing frame (for example, the left sealing piece 131) positioned at the opening and closing side of the door body is made of a batten, and the side length of the cross section of the batten is 25-30 mm. The other side of the edge sealing frame can be made of a wood board with a certain thickness.
Specific examples of the disclosed examples, as well as comparative examples, are provided below, and the soundproof effect of the soundproof door was examined.
Example 1
The sound insulation door I comprises a sound insulation door body,
the door body 10 is provided with a sound insulation cavity 100;
a soundproof module 20 including a first soundproof felt 21, a sound absorbing cotton 22, a soundproof plate 23, and a second soundproof felt 24, which are sequentially stacked; and is disposed within the sound-insulating chamber 100.
The thickness of the first deadening felt 21 was 2mm, the thickness of the sound absorbing cotton 22 was 10mm, the thickness of the soundproof sheet 23 was 23mm, and the thickness of the second deadening felt 24 was 2 mm. The overall thickness of the soundproof module 20 is 37 mm. Wherein, the sound insulation module 20 further comprises a supporting grid frame, and the structure can be as described above.
The door body 10 comprises an outer door panel 11, an inner door panel 12 and a side sealing frame, wherein the outer door panel 11 comprises an outer multilayer board 111(9mm) and an outer decorative layer 112(1mm), and the outer decorative layer 112 is arranged on one side surface of the outer multilayer board 111; an inner door panel 12 including an inner multi-layer board 121(9mm) and an inner decorative layer 122(1mm), the inner decorative layer 122 being disposed on one side surface of the inner multi-layer board 121; outer door panel 11 and inner door panel 12 are disposed at a set distance in such a manner that outer multilayer panel 111 and inner multilayer panel 121 face each other. The set distance is the overall thickness of the sound insulation module 20. The edge sealing frame is arranged around the outer door panel 11 and the inner door panel 12 to form the door body 10 with the sound insulation cavity 100.
Example 2
A soundproof door ii, which is different from the soundproof door i of embodiment 1, in the soundproof module 20, the first deadening felt 21 is provided in a wave shape, and a height difference between a peak and a trough of the first deadening felt 21 is 5 mm; the sound-absorbing cotton 22 has a thickness of 20 mm. Other structures and parameters are the same as those of the soundproof door I.
Example 3
A soundproof door iii, which is different from the soundproof door i of embodiment 1, in the soundproof module 20, the second deadening felt 24 is provided in a wave shape, and a height difference between a peak and a trough of the second deadening felt 24 is 5 mm; the sound-absorbing cotton 22 has a thickness of 20 mm. Other structures and parameters are the same as those of the soundproof door I.
Example 4
A soundproof door iv, which is different from the soundproof door i of embodiment 1, in the soundproof module 20, both the first deadening felt 21 and the second deadening felt 24 are arranged in a wave shape, and the height difference between the peak and the trough of each of the first deadening felt 21 and the second deadening felt 24 is 3 mm; the sound-absorbing cotton 22 has a thickness of 20mm and the sound-insulating plate has a thickness of 9 mm. Other structures and parameters are the same as those of the soundproof door I.
Comparative example 1
Comparing the soundproof door i, unlike the soundproof door i of example 1, the soundproof module 20 includes a first soundproof felt 21, a sound absorbing cotton 22, and a second soundproof felt 24, which are sequentially stacked; and is disposed within the sound-insulating chamber 100. The first deadening felt 21 was 2mm in thickness, the sound-absorbing cotton 22 was 33mm in thickness, and the second deadening felt 24 was 2mm in thickness. The overall thickness of the soundproof module 20 is 37 mm. The structure and parameters of the door body 10 are the same as those of the soundproof door I.
Comparative example 2
In contrast to the soundproof door i of example 1, the soundproof module 20, which includes the first deadening felt 21, the soundproof sheet 23, and the second deadening felt 24, which are sequentially stacked; and is disposed within the sound-insulating chamber 100. The thickness of the first deadening felt 21 was 2mm, the thickness of the soundproof plate 23 was 33mm, and the thickness of the second deadening felt 24 was 2 mm. The overall thickness of the soundproof module 20 is 37 mm. The structure and parameters of the door body 10 are the same as those of the soundproof door I.
Comparative example 3
In contrast to the soundproof door i of example 1, the soundproof module 20, which includes the first deadening felt 21, the sound absorbing cotton 22, the soundproof plate 23, and the second deadening felt 24, which are sequentially stacked; and is disposed within the sound-insulating chamber 100. The thickness of the first deadening felt 21 is 2mm, the thickness of the sound-absorbing panel 22 is 25mm, the thickness of the sound-insulating panel 23 is 8mm (the thickness ratio of the sound-absorbing cotton 22 to the sound-insulating panel 23 is 3.1: 1), and the thickness of the second deadening felt 24 is 2 mm. The overall thickness of the soundproof module 20 is 37 mm. The structure and parameters of the door body 10 are the same as those of the soundproof door I.
Comparative example 4
Comparing with the soundproof door iv, unlike the soundproof door i of example 1, the soundproof module 20 includes sound absorbing cotton 22 and soundproof plates 23 which are sequentially stacked; and is disposed within the sound-insulating chamber 100. The sound absorbing panel 22 was 26mm thick, and the sound insulating panel 23 was 11mm thick (the ratio of the sound absorbing wool 22 to the sound insulating panel 23 was 2.3: 1). The overall thickness of the soundproof module 20 is 37 mm. The structure and parameters of the door body 10 are the same as those of the soundproof door I.
The soundproof doors of each of the examples and the comparative example were assembled in a room of a sound box system having 5.1 sound channels under the same test conditions, wherein the soundproof doors were installed in such a manner that the sound-absorbing cotton 22 was located inside the door body 10 and the soundproof plate was located outside the door body 10. And detecting the sound insulation effect. Wherein the sound in the room reaches 110 decibels; the decibels of sound detected outside each soundproof door are shown in table 1.
TABLE 1
Sound insulation door Decibel Contrast soundproof door Decibel
Sound insulation door I 52 Comparison I 82
Sound insulation door II 49 Comparison II 80
Sound insulation door III 50 Comparison III 79
Soundproof door IV 51 Comparison IV 80
Under the same detection condition, in the embodiment of the present disclosure, the soundproof effect detection is performed after the soundproof door i is reversely installed. That is, the sound-absorbing cotton 22 is positioned outside the door body 10, and the sound-insulating panel is positioned inside the door body 10. With this reverse installation, the detected decibel of sound outside the reverse soundproof door i was 54 decibels.
The present application is not limited to the structures that have been described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.

Claims (10)

1. A soundproof door is characterized by comprising,
the door body is provided with a sound insulation cavity;
the sound insulation module comprises a first sound insulation felt, sound absorption cotton, a sound insulation board and a second sound insulation felt which are sequentially stacked; and is disposed in the sound-insulating chamber.
2. The soundproof door of claim 1, wherein the sound-absorbing cotton in the soundproof module is located outside the door body, and the soundproof panel is located inside the door body.
3. The soundproof door of claim 1, further comprising,
and the vertical supporting piece is arranged between the edge of the sound insulation module and the inner wall of the sound insulation cavity.
4. The soundproof door of claim 1, wherein the soundproof module further comprises,
the sound-absorbing cotton is filled in the grids of the supporting grid frame; set up on a side of support grid frame first deadening felt sets up in order on the another side the acoustic celotex board with second deadening felt.
5. The soundproof door of claim 4, wherein said support grid is provided with a first structural body; a second structural body is arranged on the inner wall of the sound insulation cavity; the first structure and the second structure can be fastened together.
6. The soundproof door according to any one of claims 1 to 5, wherein a thickness ratio of the sound-absorbing cotton to the soundproof panel is 2 to 2.5: 1.
7. The soundproof door of claim 6, wherein the sound-absorbing cotton has a thickness of 8mm to 12 mm.
8. The acoustic door of any of claims 1-5, wherein the first and/or second acoustic felt is corrugated.
9. The soundproof door according to any one of claims 1 to 5, further comprising a door bottom seam sealing means provided at a bottom wall of said door body.
10. The soundproof door according to any one of claims 1 to 5, wherein the door body includes,
the outer door plate comprises an outer multilayer plate and an outer decorative layer, wherein the outer decorative layer is arranged on one side surface of the outer multilayer plate;
the inner door plate comprises an inner multilayer plate and an inner decorative layer, wherein the inner decorative layer is arranged on one side surface of the inner multilayer plate;
the outer door plate and the inner door plate are arranged at a set distance in a manner that the outer multilayer plate is opposite to the inner multilayer plate.
CN201921825580.2U 2019-10-28 2019-10-28 Sound insulation door Expired - Fee Related CN211144282U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921825580.2U CN211144282U (en) 2019-10-28 2019-10-28 Sound insulation door

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921825580.2U CN211144282U (en) 2019-10-28 2019-10-28 Sound insulation door

Publications (1)

Publication Number Publication Date
CN211144282U true CN211144282U (en) 2020-07-31

Family

ID=71772992

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921825580.2U Expired - Fee Related CN211144282U (en) 2019-10-28 2019-10-28 Sound insulation door

Country Status (1)

Country Link
CN (1) CN211144282U (en)

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GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
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Effective date of registration: 20230119

Address after: 430070 401-5, Unit 2, Building C2, Rongke Zhigu Industrial Project (Phase III), Liqiao Village, Hongshan District, Wuhan City, Hubei Province

Patentee after: Hubei Youxi Culture Media Co.,Ltd.

Address before: 100000 room 103, unit 1, building 1, maguanying Jiayuan, Fengtai District, Beijing

Patentee before: Hubei Youxi Hotel Management Co.,Ltd.

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200731