Wall corner line device capable of dissipating heat and interior wall decoration system

By installing ventilation units in the corner molding device, the higher temperature air from the air conditioning unit enters the room from a lower position, solving the problem of low heating efficiency of the ceiling hot air outlet and improving indoor temperature uniformity and energy utilization.

CN224032086UActive Publication Date: 2026-03-24SHANGHAI MANTU INDOOR DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

In existing building HVAC systems, ceiling-mounted hot air outlets have low heating efficiency, resulting in high temperatures at the top and low temperatures at the bottom of the indoor space, leading to a poor user experience, low heat conversion rate, and energy waste.

Method used

Design a heat-dissipating corner molding device, including a base unit, an air conditioning unit, a gas delivery unit, a ventilation unit, and a waterproof unit. By setting the ventilation unit at the bottom of the decorative structure, the higher temperature air in the air conditioning unit enters the room from a lower position, and the gas delivery unit delivers the air into the room, thereby improving the heating efficiency.

Benefits of technology

By installing ventilation units at the bottom of the decorative structure, the heating efficiency of the air conditioning unit is improved, solving the problem of low heating efficiency of hot air outlets on the ceiling, and improving indoor temperature uniformity and energy utilization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a wall corner line device capable of dissipating heat and an inner wall decoration system. The wall corner line device comprises a base unit, a first installation unit, an air conditioning unit, a gas conveying unit, a ventilation unit and a waterproof unit. The base unit is arranged at the bottom of the structural wall body; the first installation unit is arranged on the outer side of the top of the base unit and connected with the decoration structure in an engaged mode. The air conditioning unit is arranged below the ceiling; the gas conveying unit is arranged on the top of the base unit and communicates with the base unit and the air conditioning unit. The ventilation unit is arranged on the outer side of the base unit and detachably connected with the base unit. The waterproof unit is arranged on the outer side of the ventilation unit and detachably connected with the base unit. The decorative structure has the advantages that the ventilation unit is arranged at the bottom of the decorative structure, so that high-temperature air in the air conditioning unit enters a room from a low position through the air conveying unit, and the problems of low heating efficiency and the like of a hot air outlet formed in a ceiling are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to indoor heating equipment technical field especially relates to a wall corner line device and interior wall decoration system. BACKGROUND

[0002] In the existing building heating engineering, the usual practice is to install air conditioning equipment on the ceiling suspended ceiling. When the air conditioning equipment runs in the heating mode, hot air blows out from the top air outlet of the room, and due to the upward flow of hot air, the temperature at the top of the indoor space is high, the temperature at the bottom is low, the use feeling is poor, the heat conversion rate is low, and energy is wasted.

[0003] At present, in view of the low heating efficiency of the ceiling setting hot air outlet in the related art, an effective solution has not been proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at the deficiency in the prior art, provides a wall corner line device and interior wall decoration system that can dissipate heat to solve the low heating efficiency of the ceiling setting hot air outlet in the related art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] In the first aspect, a wall corner line device that can dissipate heat is provided for indoor decoration, comprising:

[0007] A base unit is arranged at the bottom of the structural wall;

[0008] A first mounting unit is arranged on the outer side of the top of the base unit and is engaged with the decorative structure;

[0009] An air conditioning unit is arranged below the ceiling and is used to provide air at a first temperature;

[0010] A gas delivery unit is arranged on the top of the base unit and is located on the inner side of the decorative structure, the gas delivery unit is in communication with the base unit and the air conditioning unit respectively, and is used to deliver air at a first temperature to the inside of the base unit;

[0011] A ventilation unit is arranged on the outer side of the base unit and is detachably connected with the base unit, and is used to deliver air at a first temperature to the indoor;

[0012] A waterproof unit is arranged on the outer side of the ventilation unit and is detachably connected with the base unit, the waterproof unit and the ventilation unit are arranged alternately, and are used to prevent liquid from entering the base unit through the ventilation unit.

[0013] In some embodiments, the base unit comprises:

[0014] a base element disposed at the bottom of the structural wall, a top outer side of the base element being provided with the first mounting unit;

[0015] a first connecting element disposed at the top of the base element and in communication with the gas delivery unit;

[0016] a second connecting element disposed at the outer side of the base element and detachably connected with the ventilation unit;

[0017] a third connecting element disposed at the outer side of the base element and detachably connected with the waterproof unit.

[0018] In some embodiments, the first mounting unit comprises:

[0019] a first mounting element disposed at the outer side of the top of the base unit and engaged with the decorative structure;

[0020] a first sealing element disposed between the first mounting element and the decorative structure for sealing.

[0021] In some embodiments, the gas delivery unit comprises:

[0022] a gas delivery element disposed at the top of the base unit and located at the inner side of the decorative structure, the gas delivery element being in communication with the base unit and the air conditioning unit respectively, for delivering air at a first temperature to the inside of the base unit;

[0023] a second sealing element disposed between the gas delivery element and the base unit for sealing.

[0024] In some embodiments, the ventilation unit comprises:

[0025] a ventilation element disposed at the outer side of the base unit, an outer side of the ventilation element being provided with the waterproof unit, for delivering air at a first temperature to the indoor;

[0026] a fourth connecting element disposed at the inner side of the ventilation element and detachably connected with the base unit.

[0027] In some embodiments, the ventilation unit further comprises:

[0028] An adsorption element is arranged on the fourth connecting element and detachably connected with the base unit, for preventing the fourth connecting element from being separated from the base unit.

[0029] In some embodiments, the waterproof unit comprises:

[0030] A waterproof element is arranged on the outside of the ventilation unit, and the waterproof element and the ventilation unit are staggered, for preventing liquid from entering the base unit through the ventilation unit;

[0031] A fifth connecting element is arranged on the inside of the waterproof element and detachably connected with the base unit.

[0032] A drainage element is arranged at the bottom of the outside of the ventilation unit, for draining the accumulated liquid between the waterproof element and the ventilation unit.

[0033] In some embodiments, the system further comprises:

[0034] A heat preservation unit covers the gas conveying unit, for slowing down the temperature change of the gas in the gas conveying unit.

[0035] In a second aspect, an interior wall decoration system is provided, comprising:

[0036] The wall corner line device according to the first aspect;

[0037] A decoration structure is arranged on the top of the wall corner line device and engaged with the first mounting unit of the wall corner line device.

[0038] The wall corner line device and the interior wall decoration system have the following technical effects compared with the prior art:

[0039] The wall corner line device and the interior wall decoration system have the following technical effects compared with the prior art: BRIEF DESCRIPTION OF DRAWINGS

[0040] Figure 1 is a schematic view of the wall corner line device according to the embodiment of the utility model (one);

[0041] Figure 2 is a schematic view of the base unit according to the embodiment of the utility model;

[0042] Figure 3 is a schematic view of a first mounting unit according to an embodiment of the present utility model;

[0043] Figure 4 is a schematic view of a gas conveying unit according to an embodiment of the present utility model;

[0044] Figure 5 is a schematic view of a ventilation unit according to an embodiment of the present utility model;

[0045] Figure 6 is a schematic view of a waterproof unit according to an embodiment of the present utility model;

[0046] Figure 7 is a schematic view of a corner line device according to an embodiment of the present utility model (two);

[0047] Figure 8 is a schematic view of an interior wall decoration system according to an embodiment of the present utility model.

[0048] The reference signs therein are: 100, corner line device;

[0049] 110, base unit; 111, base element; 112, first connecting element; 113, second connecting element; 114, third connecting element;

[0050] 120, first mounting unit; 121, first mounting element; 122, first sealing element;

[0051] 130, air conditioning unit;

[0052] 140, gas conveying unit; 141, gas conveying element; 142, second sealing element;

[0053] 150, ventilation unit; 151, ventilation element; 152, fourth connecting element; 153, adsorption element;

[0054] 160, waterproof unit; 161, waterproof element; 162, fifth connecting element; 163, drainage element;

[0055] 170, heat preservation unit;

[0056] 200, decoration structure. DETAILED DESCRIPTION

[0057] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts are within the scope of the present application.

[0058] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0059] The present application will be further described below in combination with the drawings and specific embodiments, but is not limited by the present application.

[0060] Embodiment 1

[0061] This embodiment relates to the wall corner line device of the present application.

[0062] An exemplary embodiment of the present application, as shown in Figure 1 A heat-dissipating wall corner line device 100 for indoor decoration, comprising a base unit 110, a first mounting unit 120, an air conditioning unit 130, a gas conveying unit 140, a ventilation unit 150 and a waterproof unit 160. The base unit 110 is arranged at the bottom of the structural wall; the first mounting unit 120 is arranged at the outer side of the top of the base unit 110 and is engagedly connected with the decorative structure; the air conditioning unit 130 is arranged below the ceiling and is used for providing air at a first temperature; the gas conveying unit 140 is arranged at the top of the base unit 110 and is located at the inner side of the decorative structure, and the gas conveying unit 140 is in communication with the base unit 110 and the air conditioning unit 130 respectively and is used for conveying the air at the first temperature to the inside of the base unit 110; the ventilation unit 150 is arranged at the outer side of the base unit 110 and is detachably connected with the base unit 110 and is used for conveying the air at the first temperature to the indoor; the waterproof unit 160 is arranged at the outer side of the ventilation unit 150 and is detachably connected with the base unit 110, and the waterproof unit 160 and the ventilation unit 150 are arranged in an interlaced manner and are used for preventing liquid from entering the base unit 110 through the ventilation unit 150.

[0063] In some embodiments, the air conditioning unit 130 is a heating central air conditioner.

[0064] As Figure 2As shown, the base unit 110 includes a base element 111, a first connecting element 112, a second connecting element 113, and a third connecting element 114. Among them, the base element 111 is arranged at the bottom of the structural wall, and the top outer side of the base element 111 is provided with a first mounting unit 120; the first connecting element 112 is arranged at the top of the base element 111 and communicates with the gas conveying unit 140; the second connecting element 113 is arranged at the outer side of the base element 111 and is detachably connected with the ventilation unit 150; and the third connecting element 114 is arranged at the outer side of the base element 111 and is detachably connected with the waterproof unit 160.

[0065] In some embodiments, the base element 111 is fixed to the bottom end of the structural wall by a metal corner brace.

[0066] In some embodiments, the cross section of the base element 111 is U-shaped. Specifically, the closed end of the base element 111 is arranged close to the structural wall.

[0067] In some embodiments, the base element 111 is a metal mounting groove.

[0068] The first connecting element 112 is arranged through the top surface of the base element 111.

[0069] The size of the first connecting element 112 matches the size of the base element 111. Generally, the width of the first connecting element 112 is smaller than the width of the base element 111, and the length of the first connecting element 112 is smaller than the length of the base element 111.

[0070] In some embodiments, the cross section of the first connecting element 112 is rectangular.

[0071] In some embodiments, the first connecting element 112 is a connecting port.

[0072] In some embodiments, the connection mode of the second connecting element 113 with the base element 111 includes but is not limited to one-piece forming and welding.

[0073] The size of the second connecting element 113 matches the size of the base element 111. Generally, the outer contour height of the second connecting element 113 is equal to the height of the base element 111, and the outer contour length of the second connecting element 113 is equal to the length of the base element 111.

[0074] In some embodiments, the cross section of the second connecting element 113 is annular rectangular.

[0075] In some embodiments, the second connecting element 113 is a metal mounting frame.

[0076] In some embodiments, the third connecting element 114 is connected to the base element 111 in a manner including but not limited to screwing, welding.

[0077] In some embodiments, the third connecting element 114 is a metal buckle.

[0078] As shown in Figure 3 , the first mounting unit 120 includes a first mounting element 121 and a first sealing element 122. Among them, the first mounting element 121 is arranged on the outer side of the top of the base unit 110 and is engaged with the decorative structure; the first sealing element 122 is arranged between the first mounting element 121 and the decorative structure for sealing.

[0079] Specifically, the first mounting element 121 is arranged on the outer side of the top of the base element 111.

[0080] In some embodiments, the first mounting element 121 is connected to the base element 111 in a manner including but not limited to welding.

[0081] The size of the first mounting element 121 matches the size of the base element 111. Generally, the length of the first mounting element 121 is equal to the length of the base element 111.

[0082] In some embodiments, the cross section of the first mounting element 121 is L-shaped. Specifically, the first mounting element 121 includes a transverse mounting part and a longitudinal mounting part. Among them, the transverse mounting part is arranged on the outer side of the top of the base element 111; the longitudinal mounting part is arranged on the outer side of the transverse mounting part and is engaged with the decorative structure.

[0083] In some embodiments, the first mounting element 121 is a metal limiting base.

[0084] In some embodiments, the first sealing element 122 is connected to the first mounting element 121 and the decorative structure by the viscosity of its own material.

[0085] In some embodiments, the first sealing element 122 includes but is not limited to a silica gel sealing strip and the like.

[0086] As shown in Figure 4 , the gas conveying unit 140 includes a gas conveying element 141 and a second sealing element 142. Among them, the gas conveying element 141 is arranged on the top of the base unit 110 and is located on the inner side of the decorative structure, and the gas conveying element 141 is respectively communicated with the base unit 110 and the air conditioning unit 130, for conveying air at the first temperature to the inside of the base unit 110; the second sealing element 142 is arranged between the gas conveying element 141 and the base unit 110 for sealing.

[0087] Specifically, the gas conveying element 141 is arranged on the top of the base element 111 and connected with the first connecting element 112, and the gas conveying element 141 is in communication with the base element 111; the second sealing element 142 is arranged between the gas conveying element 141 and the base element 111.

[0088] In some embodiments, the connection between the gas conveying element 141 and the base element 111 includes but is not limited to adhesion.

[0089] The size of the gas conveying element 141 matches the size of the first connecting element 112. Generally, the radial dimension (such as width, length) of the outer contour of the gas conveying element 141 is equal to the radial dimension (such as width, length) of the first connecting element 112.

[0090] In some embodiments, the cross section of the gas conveying element 141 is rectangular.

[0091] In some embodiments, the gas conveying element 141 includes but is not limited to a metal duct.

[0092] In some embodiments, the second sealing element 142 is connected with the base element 111 and the gas conveying element 141 by the adhesion of its own material.

[0093] In some embodiments, the second sealing element 142 includes but is not limited to a silica gel sealing strip.

[0094] As shown in Figure 5 The ventilation unit 150 includes a ventilation element 151 and a fourth connecting element 152. The ventilation element 151 is arranged on the outer side of the base unit 110, and the outer side of the ventilation element 151 is provided with a waterproof unit 160 for conveying air at the first temperature into the room. The fourth connecting element 152 is arranged on the inner side of the ventilation element 151 and is detachably connected with the base unit 110.

[0095] Specifically, the ventilation element 151 is arranged on the outer side of the base element 111; and the fourth connecting element 152 is detachably connected with the second connecting element 113.

[0096] The size of the ventilation element 151 matches the size of the base element 111. Generally, the height of the ventilation element 151 is less than the height of the base element 111, and the length of the ventilation element 151 is equal to the length of the base element 111.

[0097] The size of the ventilation element 151 matches the size of the second connecting element 113. Generally, the height of the ventilation element 151 is greater than the height of the inner contour of the second connecting element 113.

[0098] In some embodiments, the cross section of the ventilation element 151 is rectangular.

[0099] In some embodiments, the ventilation element 151 is a metal perforated plate.

[0100] In some embodiments, the connection between the fourth connecting element 152 and the ventilation element 151 includes, but is not limited to, screw connection, welding.

[0101] The size of the fourth connecting element 152 matches the size of the second connecting element 113. Generally, the radial dimension (e.g. length, height) of the outer contour of the fourth connecting element 152 is equal to the radial dimension (e.g. length, height) of the inner contour of the second connecting element 113, and the thickness of the fourth connecting element 152 is not less than the thickness of the second connecting element 113.

[0102] In some embodiments, the cross section of the fourth connecting element 152 is annular rectangular.

[0103] In some embodiments, the fourth connecting element 152 is a metal connecting buckle.

[0104] Further, the ventilation unit 150 further comprises an adsorption element 153. The adsorption element 153 is arranged on the fourth connecting element 152 and detachably connected with the base unit 110, for preventing the fourth connecting element 152 from separating from the base unit 110.

[0105] Specifically, the adsorption element 153 is detachably connected with the second connecting element 113.

[0106] In some embodiments, the connection between the adsorption element 153 and the fourth connecting element 152 includes, but is not limited to, adhesion.

[0107] The size of the adsorption element 153 matches the size of the fourth connecting element 152. Generally, the thickness of the adsorption element 153 is less than the thickness of the fourth connecting element 152.

[0108] In some embodiments, the adsorption element 153 is a magnet.

[0109] As Figure 6As shown, the waterproof unit 160 includes a waterproof element 161, a fifth connecting element 162, and a drainage element 163. Among them, the waterproof element 161 is arranged outside the ventilation unit 150, and the waterproof element 161 and the ventilation unit 150 are arranged staggered with each other, for preventing liquid from entering the base unit 110 through the ventilation unit 150; the fifth connecting element 162 is arranged inside the waterproof element 161, and is detachably connected with the base unit 110; the drainage element 163 is arranged at the bottom of the outside of the ventilation unit 150, for draining the accumulated liquid between the waterproof element 161 and the ventilation unit 150.

[0110] Specifically, the waterproof element 161 is arranged outside the ventilation element 151, and the waterproof element 161 and the ventilation element 151 are arranged staggered with each other; the fifth connecting element 162 is detachably connected with the third connecting element 114; the drainage element 163 is arranged at the bottom of the outside of the ventilation element 151.

[0111] The size of the waterproof element 161 matches the size of the ventilation element 151. Generally, the height of the waterproof element 161 is less than the height of the ventilation element 151, and the length of the waterproof element 161 is equal to the length of the ventilation element 151.

[0112] The top surface of the waterproof element 161 is arranged flush with the top surface of the ventilation element 151.

[0113] In some embodiments, the cross section of the waterproof element 161 is rectangular.

[0114] In some embodiments, the waterproof element 161 is a metal perforated plate.

[0115] In some embodiments, the connection mode of the fifth connecting element 162 and the waterproof element 161 includes but is not limited to screw connection, welding.

[0116] In some embodiments, the fifth connecting element 162 is snap connected with the third connecting element 114.

[0117] In some embodiments, the fifth connecting element 162 is a metal snap.

[0118] In some embodiments, the connection mode of the drainage element 163 and the ventilation element 151 includes but is not limited to screw connection, welding.

[0119] The size of the drainage element 163 matches the size of the ventilation element 151. Generally, the length of the drainage element 163 is equal to the length of the ventilation element 151, and the height of the drainage element 163 is greater than the difference between the height of the ventilation element 151 and the height of the waterproof element 161.

[0120] In some embodiments, the drainage element 163 comprises a connecting piece and a drainage piece. The connecting piece is arranged at the bottom of the ventilation element 151 and connected with the ventilation element 151; the drainage piece is arranged at the bottom end of the connecting piece.

[0121] In some embodiments, the drainage element 163 is a metal drainage plate.

[0122] The use method of the utility model is as follows:

[0123] The air conditioning regulating unit generates air of the first temperature and delivers the air to the gas delivery element 141, and the air of the first temperature enters the indoor through the ventilation element 151.

[0124] Since the first temperature is higher than the temperature of the indoor air, the air of the first temperature diffuses upward.

[0125] The utility model has the advantages that the ventilation unit is arranged at the bottom of the decorative structure, the air conditioning unit generates air of a higher temperature, the air of the higher temperature enters the indoor from the lower part through the gas delivery unit, and the air of the higher temperature rises, so that the heating efficiency of the air conditioning unit is improved, and the problems of low heating efficiency of the hot air outlet arranged on the ceiling and the like are solved.

[0126] Embodiment 2

[0127] This embodiment is a supplementary embodiment of embodiment 1.

[0128] As shown in Figure 7 The wall corner line device 100 further comprises a heat preservation unit 170. The heat preservation unit 170 covers the gas delivery unit 140 and is used to slow down the temperature change of the air in the gas delivery unit 140.

[0129] Specifically, the heat preservation unit 170 covers the gas delivery element 141.

[0130] In some embodiments, the connection mode of the heat preservation unit 170 and the gas delivery element 141 comprises but is not limited to adhesion.

[0131] In some embodiments, the heat preservation unit 170 comprises but is not limited to a rock wool heat preservation plate and the like.

[0132] The embodiment has the advantage that the heat preservation unit can reduce the temperature loss of the air in the gas delivery unit and improve the heating efficiency.

[0133] Embodiment 3

[0134] This embodiment relates to an indoor wall decorative system.

[0135] As shown in Figure 8As shown, an interior wall decoration system comprises the corner line device 100 and the decoration structure 200 as described in Embodiment 1~Embodiment 2.

[0136] Specifically, the decoration structure 200 is engaged with the first mounting element 121.

[0137] The size of the decoration structure 200 matches the size of the base element 111.

[0138] In some embodiments, the decoration structure 200 comprises a furring element and a decorative element.

[0139] In some embodiments, the decoration element comprises, but is not limited to, a metal decorative plate, a light-weight plasterboard, etc.

[0140] The advantages of the present application are basically the same as those of Embodiment 1~Embodiment 2, which will not be repeated here.

[0141] The above description is only the preferred embodiments of the present application, and is not intended to limit the implementation and protection scope of the present application. Those skilled in the art should realize that any equivalent replacement and obvious changes made according to the description and drawings of the present application should be included in the protection scope of the present application.

Claims

1. A heat-dissipating corner bead device for interior decoration, characterized in that, The present application relates to a structure wall air conditioning system, comprising: a base unit provided at the bottom of a structure wall; a first mounting unit provided at the outer side of the top of the base unit and engaged with a decorative structure; an air conditioning unit provided below a ceiling for providing air at a first temperature; a gas delivery unit provided at the top of the base unit and located at the inner side of the decorative structure, the gas delivery unit being in communication with the base unit and the air conditioning unit respectively for delivering air at the first temperature to the interior of the base unit; a ventilation unit provided at the outer side of the base unit and detachably connected with the base unit for delivering air at the first temperature to a room; a waterproof unit provided at the outer side of the ventilation unit and detachably connected with the base unit, the waterproof unit and the ventilation unit being staggered with each other for preventing liquid from entering the base unit through the ventilation unit.

2. The corner bead device of claim 1, wherein, The base unit comprises: a base element provided at the bottom of a structure wall, the top outer side of the base element being provided with the first mounting unit; a first connecting element provided at the top of the base element and in communication with the gas delivery unit; a second connecting element provided at the outer side of the base element and detachably connected with the ventilation unit; a third connecting element provided at the outer side of the base element and detachably connected with the waterproof unit.

3. The corner bead device of claim 1, wherein, The first mounting unit comprises: a first mounting element provided at the outer side of the top of the base unit and engaged with a decorative structure; a first sealing element provided between the first mounting element and the decorative structure for sealing.

4. The corner bead device of claim 1, wherein, The gas delivery unit comprises: a gas delivery element provided at the top of the base unit and located at the inner side of the decorative structure, the gas delivery element being in communication with the base unit and the air conditioning unit respectively for delivering air at the first temperature to the interior of the base unit; a second sealing element provided between the gas delivery element and the base unit for sealing.

5. The corner bead device of claim 1, wherein, The ventilation unit comprises: a ventilation element provided at the outer side of the base unit, the outer side of the ventilation element being provided with the waterproof unit for delivering air at the first temperature to a room; a fourth connecting element provided at the inner side of the ventilation element and detachably connected with the base unit.

6. The corner bead device of claim 5, wherein, The ventilation unit further comprises: an adsorption element provided at the fourth connecting element and detachably connected with the base unit for preventing the fourth connecting element from being separated from the base unit.

7. The corner bead device of claim 1, wherein, The waterproof unit comprises: A waterproof element is arranged outside the ventilation unit, and the waterproof element and the ventilation unit are arranged staggeredly to prevent liquid from entering the base unit through the ventilation unit; A fifth connecting element is arranged inside the waterproof element and detachably connected with the base unit; A drainage element is arranged at the bottom of the outside of the ventilation unit to drain the accumulated liquid between the waterproof element and the ventilation unit.

8. A corner bead device as defined in any of claims 1 to 7, characterized in that Further comprising: A heat preservation unit is arranged to cover the gas conveying unit to slow down the temperature change of the gas in the gas conveying unit.

9. An interior wall covering system characterized by, Comprising: The wall corner line device according to any one of claims 1-8; A decorative structure is arranged at the top of the wall corner line device and engaged with the first mounting unit of the wall corner line device.