CN218379672U - Sealing mechanism and air conditioner - Google Patents

Abstract

The utility model relates to an air conditioner technical field, concretely relates to sealing mechanism and air conditioner. The utility model provides a sealing mechanism which comprises an elastically deformable body, wherein the body is arranged at the opening and seals the opening; a wire passing hole communicated with the opening is formed in the body, and a water retaining bulge is arranged on the inner wall of the wire passing hole; the pipeline of the air conditioner outdoor part can extend into the room through the openings in the wire passing hole and the partition plate, the body can seal the openings in the partition plate, and meanwhile, the body can deform, so that the pipeline is attached to the outer wall of the wire passing hole to realize sealing. Because be equipped with the manger plate arch on crossing the line hole inner wall, when water gets into to cross the line hole and flow to indoor, can be by the protruding separation of manger plate, consequently can effectual sealed clearance between crossing line hole and the pipeline, avoid outdoor water to get into indoor through the clearance between line hole and the pipeline, promote sealing mechanism's water-proof effects.

Description

Sealing mechanism and air conditioner

Technical Field

The utility model relates to an air conditioner technical field, concretely relates to sealing mechanism and air conditioner.

Background

The air conditioner is a heat exchange device, and the indoor temperature is adjusted by refrigerating the air conditioner in summer in hot weather. Air conditioners are generally classified into an integrated air conditioner and a split air conditioner, and an indoor unit and an outdoor unit of the split air conditioner are respectively installed indoors and outdoors; the indoor unit and the outdoor unit of the integrated air conditioner are arranged in a body and are arranged on a window or in a through hole of a wall body. Wherein the compressor outdoor heat exchanger, etc. are located at the outdoor side, and the evaporator and the indoor heat exchanger are located at the indoor side.

The middle partition plate is arranged between the indoor side and the outdoor side of the existing integrated air conditioner, the indoor side and the outdoor side are separated, meanwhile, the through hole is formed in the middle partition plate, so that an outdoor pipeline extends into the indoor space through the through hole, the middle partition plate is communicated with the indoor space and the outdoor space, and when outdoor rainfall occurs, outdoor fan blades rotate to throw rainwater to the through hole and enter the indoor space, and the problem of water leakage occurs indoors.

Therefore, on some integrated air conditioners, the rubber sealing block is arranged at the through hole of the middle partition plate, the sealing block is provided with the line passing hole, when the pipeline passes through the line passing hole, the heat insulation layer on the outer wall of the pipeline is attached to the inner wall of the line passing hole, the line passing hole is sealed, and the aim of preventing water can be effectively fulfilled; however, the pipeline is damaged by oxidation after being used for a period of time, a gap can appear between the outer wall of the pipeline and the inner wall of the line passing hole, and outdoor rainwater enters the indoor condition through the gap between the line passing hole and the pipeline.

SUMMERY OF THE UTILITY MODEL

The utility model discloses (one) the technical problem that solve is: the existing sealing mechanism for the integrated air conditioner partition plate cannot be effectively and completely sealed, so that outdoor rainwater can enter the room through the wire passing hole in the sealing mechanism.

(II) technical scheme

In order to solve the above technical problem, an embodiment of the present invention provides a sealing mechanism for a partition board of an air conditioner, wherein an opening is provided on the partition board, the sealing mechanism includes a body capable of elastically deforming, and the body is provided at the opening and seals the opening; the water-retaining device is characterized in that a wire passing hole communicated with the opening is formed in the body, and a water-retaining bulge is arranged on the inner wall of the wire passing hole.

According to the utility model discloses an embodiment, sealing mechanism includes upper seal piece and lower seal piece, the lower extreme of upper seal piece forms lower extreme open-ended first recess, the upper end of lower seal piece forms upper end open-ended second recess, the lower extreme of upper seal piece with the upper end of lower seal piece links to each other, first recess with the butt joint of second recess forms cross the line hole.

According to the utility model discloses an embodiment, first recess with the second recess is the circular arc groove, first recess with the butt joint of second recess forms the circular shape cross the line hole.

According to the utility model discloses an embodiment, be equipped with first protruding muscle on the inner wall of first recess, be equipped with the protruding muscle of second on the inner wall of second recess, first protruding muscle with the protruding muscle of second is connected and is formed the confined the manger plate is protruding.

According to the utility model discloses an embodiment, the manger plate arch is the ring form, just the manger plate protruding with cross the coaxial setting in line hole.

According to the utility model discloses an embodiment, be equipped with a plurality ofly on the inner wall of line hole the manger plate is protruding, and is a plurality of the manger plate is protruding to be parallel to each other and the interval sets up.

According to an embodiment of the present invention, the sealing mechanism further comprises a fixing plate, and the fixing plate is detachably connected to the partition plate;

the outer wall of the upper sealing block is provided with a first slot, the fixing plate is provided with a first notch matched with the first slot, and the first slot is inserted in the first notch of the fixing plate.

According to the utility model discloses an embodiment, be equipped with the second slot on the outer wall of lower seal block, the baffle opening part form with second slot complex second breach, the second slot is pegged graft the second breach department of baffle.

According to the utility model discloses an embodiment, first slot and/or second slot are the notch cuttype groove.

An embodiment of the other aspect of the present invention further provides an air conditioner, including a partition plate, an opening is provided on the partition plate, the air conditioner further includes any one of the above embodiments, the sealing mechanism is provided at the opening.

The utility model has the advantages that: the sealing mechanism provided by the embodiment of the utility model comprises an elastically deformable body, wherein the body is arranged at the opening and seals the opening; a wire passing hole communicated with the opening is formed in the body, and a water retaining bulge is arranged on the inner wall of the wire passing hole; the pipeline of the air conditioner outdoor part can extend into the room through the openings in the wire passing hole and the partition plate, the body can seal the openings in the partition plate, and meanwhile, the body can deform, so that the pipeline is attached to the outer wall of the wire passing hole to realize sealing. Sealing mechanism that this embodiment body was used is equipped with the manger plate arch on crossing the line hole inner wall, and when water got into to cross the line hole and flow to indoor, can be by the protruding separation of manger plate, consequently can effectually seal the clearance of crossing between line hole and the pipeline, avoids outdoor water to get into indoorly through the clearance of crossing between line hole and the pipeline, promotes sealing mechanism's water-proof effects.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a sealing mechanism according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a lower sealing block according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper sealing block according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of the upper sealing block assembled with the fixing plate;

FIG. 5 is a schematic view of the structure of the upper sealing block and the fixing plate;

FIG. 6 is a schematic view of the sealing mechanism in cooperation with a septum.

An icon: 1-a sealing mechanism; 11-upper sealing block; 111-a first bead; 112-a first groove; 113-a first slot; 12-lower sealing block; 121-a second bead; 122-a second groove; 123-a second slot; 13-a wire through hole; 2-fixing the plate; 21-a first notch; 3-pipeline; 4-a separator.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understandable, the present invention is further described in detail below with reference to the accompanying drawings and the detailed description, and the embodiments and features of the embodiments of the present invention may be combined with each other without conflict. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. 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.

As shown in fig. 1, an embodiment of the present invention provides a sealing mechanism 1 for a partition plate 4 of an air conditioner, wherein an opening is formed on the partition plate 4, the sealing mechanism 1 includes a body capable of elastic deformation, and the body is disposed at the opening and seals the opening; a wire passing hole 13 communicated with the opening is formed in the body, and a water retaining bulge is arranged on the inner wall of the wire passing hole 13.

The sealing mechanism 1 provided by the embodiment is used for a partition plate 4 of an air conditioner, wherein the air conditioner can be an air conditioner all-in-one machine and is arranged in a window or a wall through hole, and the partition plate 4 is used for partitioning an indoor space and an outdoor space; the part of the air conditioner which is positioned outdoors can comprise a compressor, a fan, a condenser and other structures, and because the outdoor condenser and the like need to be communicated with the indoor evaporator through the pipeline 3, the partition plate 4 is provided with an opening through which the pipeline 3 can pass; the pipeline 3 is preferably a copper pipe, the pipeline 3 can extend into the room through the opening, and when rainfall occurs outdoors, rainwater may enter the room through the opening, so that the sealing mechanism 1 needs to be arranged at the sealing port to seal the opening.

As shown in fig. 1, the sealing mechanism 1 is made of a material capable of elastically deforming, so that when the pipeline 3 is inserted into the wire passing hole 13, the outer wall of the pipeline 3 can be tightly attached to the inner wall of the wire passing hole 13 due to the elastic deformation of the body, thereby sealing the wire passing hole 13. Usually, the outer wall of the outdoor pipeline 3 is provided with a heat insulation layer, when the pipeline 3 is used for a period of time, the heat insulation layer is likely to be corroded, fall off or damaged, a gap is formed between the outer wall of the pipeline 3 and the inner wall of the wire passing hole 13, and when the outside rains, rainwater enters the wire passing hole 13 under the swinging action of the blades and enters the indoor space through the gap; therefore, in this embodiment, the water retaining protrusion is disposed on the inner wall of the line passing hole 13, and when water enters the gap between the inner wall of the line passing hole 13 and the side wall of the pipeline 3 and flows indoors, the water is blocked by the water retaining protrusion, so that the gap between the line passing hole 13 and the pipeline 3 can be effectively sealed, outdoor water is prevented from entering indoors through the gap between the line passing hole 13 and the pipeline 3, and the waterproof effect of the sealing mechanism 1 is improved. In this embodiment, the pipeline 3 and the wire passing hole 13 are in interference fit, so that a waterproof effect can be better achieved.

Optionally, in this embodiment, the body is made of a rubber material, that is, the body is a rubber sealing block, the rubber sealing block has better corrosion resistance and oxidation resistance, the service life is longer, and the sealing mechanism 1 does not need to be frequently maintained and replaced; meanwhile, the rubber material is cheaper, so that the cost can be reduced.

According to an embodiment of the present invention, as shown in fig. 1 to 3, the sealing mechanism 1 includes an upper sealing block 11 and a lower sealing block 12, as shown in fig. 3, a lower end of the upper sealing block 11 forms a first groove 112 with an open lower end, as shown in fig. 2, an upper end of the lower sealing block 12 forms a second groove 122 with an open upper end, a lower end of the upper sealing block 11 is connected with an upper end of the lower sealing block 12, and the first groove 112 is connected with the second groove 122 to form the wire passing hole 13. When installing pipeline 3, fix lower sealing block 12 earlier the opening part of baffle 4, then put into pipeline 3 corresponding cross the line hole 13 in, compress tightly the lower extreme of last sealing block 11 under on sealing block 12 and fixed again, make first recess 112 and second recess 122 dock mutually and form complete cross line hole 13, because last sealing block 11 and lower sealing block 12 homoenergetic produce elastic deformation, consequently the outer wall of pipeline 3 laminates with the manger plate arch mutually, and the inner wall of crossing line hole 13 also can laminate mutually with the outer wall of pipeline 3, and then play the purpose in gap between sealed pipeline hole and the pipeline 3.

In this embodiment, cross line hole 13 and can set up one and also can set up a plurality ofly, and the quantity of crossing line hole 13 is confirmed according to the quantity of the pipeline 3 that needs pass through, simultaneously when crossing line hole 13 and being equipped with a plurality ofly, every cross the size of line hole 13 and can be the same, also can be different, every cross the size of the pipeline 3 that the size of line hole 13 can pass through as required and set for, only need satisfy pipeline 3 and the corresponding interference fit of crossing line hole 13 just also can realize the purpose of the utility model.

As shown in fig. 1 to 3, in this embodiment, the first groove 112 and the second groove 122 are both arc-shaped grooves, and the first groove 112 and the second groove 122 are butted to form the circular wire passing hole 13; the currently adopted pipelines 3 are all round copper pipes, so the corresponding wire passing holes 13 are also round in shape; it is understood that when the pipe 3 of the wire through hole 13 is not a circular pipe 3, for example, the pipe 3 is a square pipe or a triangular pipe, etc., the wire through hole 13 is also provided in a corresponding shape. Preferably, as shown in fig. 1, 2 and 3, the first groove 112 and the second groove 122 are both semicircular grooves, and when the pipeline 3 is installed, the pipeline 3 is first placed into the second groove 122 on the lower sealing block 12, the pipeline 3 is preliminarily fixed through the second groove 122, and then the upper sealing block 11 is pressed on the lower sealing block 12, so that the first groove 112 on the lower side of the upper sealing block 11 and the second groove 122 on the upper side of the lower sealing block 12 are butted and coated on the pipeline 3. Of course, in this embodiment, the first groove 112 and the second groove 122 may not be semicircular grooves, for example, the central angle of the first groove 112 is 150 degrees, the central angle of the second groove 122 is 210 degrees, and since both the upper sealing block 11 and the lower sealing block 12 can deform, when the pipeline 3 is installed, the pipeline 3 can still be pressed into the second groove 122, and then the upper sealing block 11 is pressed onto the lower sealing block 12, and the first groove 112 and the second groove 122 form a circular water through hole and cover the pipeline 3 in the hole.

As shown in fig. 2 and 3, a first rib 111 is disposed on an inner wall of the upper sealing block 11, a second rib 121 is disposed on an inner wall of the lower sealing block 12, and the first rib 111 and the second rib 121 are connected to form the closed water blocking protrusion. First protruding muscle 111 and the protruding muscle 121 of second connect into the confined manger plate protruding can be comprehensive seal the gap between water hole and the pipeline 3, and sealed effect is better, waterproof that can be better. Preferably, in this embodiment, the water retaining protrusion is annular and is coaxially disposed with the wire passing hole 13. Of course, in this embodiment, the first rib 111 and the second rib 121 may form a closed water blocking protrusion, and may also have other shapes, for example, the first rib 111 and the second rib 121 are both semi-circular, but the first rib 111 and the second rib 121 are not in the same plane, which can also achieve the function of forming a closed water blocking protrusion.

According to an embodiment of the present invention, as shown in fig. 2 and 3, the inner wall of the wire passing hole 13 is provided with a plurality of water retaining protrusions, and the plurality of water retaining protrusions are parallel to each other and spaced apart from each other; every the manger plate arch is the ring form structure, can carry out the multilayer to the rainwater of outdoor entering through setting up a plurality of manger plate archs and block, even a small amount of rainwater can cross first layer manger plate arch still can be carried out the separation by other manger plate archs of rear side, can further promote sealed effect, avoids crossing the problem that line hole 13 department appears leaking.

According to the utility model discloses an embodiment, be equipped with second slot 123 on the outer wall of lower seal block 12, 4 openings of baffle form with second slot 123 complex second breach, second slot 123 is pegged graft the second breach department of baffle 4. When the pipeline 3 is assembled, the second slot 123 of the lower sealing block 12 is aligned with the edge of the second gap, and then the lower sealing block 12 is pressed downwards, at this time, the edge of the lower sealing block 12 is inserted into the corresponding second slot 123, so as to complete the fixing of the lower sealing block 12. Then, the pipeline 3 is placed in the second groove 122 on the lower sealing block 12, the lower sealing block 12 is pressed on the lower sealing block 12, the first groove 112 and the second groove 122 form a circular closed wire passing hole 13 to cover the outer side of the pipeline 3, and then the lower sealing block 12 is fixed on the partition plate 4, so that the installation of the pipeline 3 is completed. Preferably, in this embodiment, the second slot 123 is stepped, and the corresponding second notch is also stepped, so that when the edge of the second notch is inserted into the second groove 122, the lower sealing block 12 can be better fixed. In this embodiment, the lower sealing block 12 is a rectangular block structure, the second groove 122 is disposed at the upper end of the lower sealing block 12, and the left end, the right end, and the lower end of the lower sealing block 12 are both open ends of the second slot 123, so that when the lower sealing block 12 is assembled, the second groove 122 can be aligned with the edge of the second gap, and then the sealing block 12 is pressed down, and at this time, the edge of the second gap is inserted into the second slot 123, thereby completing the fixing of the lower sealing block 12.

Of course, in this embodiment, the second slot 123 may have other shapes, for example, the second slot 123 is a U-shaped slot or a V-shaped slot, and the second notch is also a corresponding shape, which can also fix the lower sealing block 12 through the matching between the second slot 123 and the edge of the second notch, and the lower sealing block 12 is clamped on the partition board 4 for installation, and does not need to be additionally welded with a metal plate for clamping, so that the installation is more convenient.

According to an embodiment of the present invention, as shown in fig. 4 and 5, the sealing mechanism 1 further includes a fixing plate 2, and the fixing plate 2 is detachably connected to the partition plate 4; a first slot 113 is formed in an outer wall of the upper sealing block 11, as shown in fig. 5, a first notch 21 matched with the first slot 113 is formed in the fixing plate 2, and the first slot 113 is inserted into the first notch 21. Wherein go up sealed piece 11 and compress tightly back on sealed piece 12 down, with fixed plate 2 and 4 fixed connection of baffle, for example connect through the screw, and then can realize going up sealed piece 11 fixed, go up sealed piece 11 and continuously keep the state of compressing tightly to sealed piece 12 down, the inner wall of crossing line hole 13 lasts the outer wall laminating with pipeline 3, realizes corresponding sealed of crossing line hole 13.

When the pipeline 3 is assembled, the second slot 123 of the lower sealing block 12 is aligned with the edge of the second gap, then the sealing block 12 is pressed downwards, at this time, the edge of the second gap is inserted into the corresponding second slot 123 to complete the fixation of the lower sealing block 12, and then the pipeline 3 is placed into the second groove 122 on the lower sealing block 12. As shown in fig. 4 and 5, aligning the first slot 113 of the upper sealing block 11 with the edge of the first notch 21, pushing up the sealing block 11, so that the edge of the first notch 21 is inserted into the first slot 113, as shown in fig. 4, at this time, the upper sealing block 11 is clamped at the first notch 21 of the fixing plate 2, then pressing down the fixing plate 2, so that the upper sealing block 11 is butted with the lower sealing block 12, the first groove 112 and the second groove 122 form a circular closed wire passing hole 13 to cover the outer side of the pipeline 3, and then fixing the fixing plate 2 on the partition plate 4 by screws, thereby completing the installation of the pipeline 3.

Preferably, as shown in fig. 5, in this embodiment, the first slot 113 is stepped, and the corresponding first notch 21 is also stepped, so that when the edge of the first notch 21 is inserted into the first slot 113, the upper seal block 11 can be better fixed. In this embodiment, the upper sealing block 11 is a rectangular block structure, the lower end of the upper sealing block 11 is provided with a first slot 113, and both the left end and the right end and the upper end of the upper sealing block 11 are the open ends of the first slot 113, so that when the upper sealing block 11 is assembled, the first slot 113 can be aligned to the edge of the first gap 21 and then pushed up to the sealing block 11, and at this time, the edge of the first gap 21 is inserted into the first slot 113, thereby completing the fixing of the upper sealing block 11 and the fixing plate 2.

Certainly, in this embodiment, the first slot 113 may have other shapes, for example, the first slot 113 is a U-shaped slot or a V-shaped slot, the first notch 21 also has a corresponding shape, and it can also be fixed by the upper sealing block 11 through the matching between the first slot 113 and the edge of the first notch 21, and the upper sealing block 11 is clamped on the fixing plate 2 for fixing, and is not required to be additionally welded with a metal plate for clamping, so that the installation is more convenient.

In the above embodiments of the present invention, the shapes of the first slot 113 and the second slot 123 may also be different, for example, the first slot 113 is in a step shape, the second slot 123 is in a U shape, which can also achieve the purpose of the present invention, and the design idea of the present invention is not departing from the spirit and the scope of the present invention.

An embodiment of another aspect of the present invention further provides an air conditioner, the air conditioner is an air conditioner all-in-one machine, as shown in fig. 6, the partition plate 4 is disposed on a window or in a wall through hole, the partition plate 4 is provided with an opening, and the opening is provided with the sealing mechanism 1 according to any of the above embodiments, because the water blocking protrusion is disposed in the wire passing hole 13 of the sealing mechanism 1, when water enters the wire passing hole 13 and flows indoors, the water is blocked by the water blocking protrusion, so that a gap between the wire passing hole 13 and the pipeline 3 can be effectively sealed, outdoor water is prevented from entering indoors through the gap between the wire passing hole 13 and the pipeline 3, and the waterproof effect of the sealing mechanism 1 is improved; the upper sealing block 11 is connected with the fixing plate 2 in an inserting mode, the lower sealing block 12 is connected with the partition plate 4 in an inserting mode, a metal plate does not need to be additionally welded for clamping and fixing, and the installation is more convenient.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the communication may be direct or indirect through an intermediate medium, or may be internal to both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. A sealing mechanism is used for a partition plate (4) of an air conditioner, wherein an opening is arranged on the partition plate (4), and the sealing mechanism is characterized by comprising an elastically deformable body, wherein the body is arranged at the opening and seals the opening; a wire passing hole (13) communicated with the opening is formed in the body, and a water retaining bulge is arranged on the inner wall of the wire passing hole (13).

2. The sealing mechanism according to claim 1, characterized in that the sealing mechanism comprises an upper sealing block (11) and a lower sealing block (12), wherein the lower end of the upper sealing block (11) forms a first groove (112) with an open lower end, the upper end of the lower sealing block (12) forms a second groove (122) with an open upper end, the lower end of the upper sealing block (11) is connected with the upper end of the lower sealing block (12), and the first groove (112) and the second groove (122) are butted to form the wire passing hole (13).

3. The sealing mechanism according to claim 2, wherein the first groove (112) and the second groove (122) are both circular arc grooves, and the first groove (112) and the second groove (122) are butted to form the circular wire passing hole (13).

4. The sealing mechanism according to claim 3, wherein a first rib (111) is provided on an inner wall of the first groove (112), a second rib (121) is provided on an inner wall of the second groove (122), and the first rib (111) and the second rib (121) are connected to form the closed water blocking protrusion.

5. The sealing mechanism according to claim 4, wherein the water retaining protrusion is annular and is coaxially disposed with the wire passing hole (13).

6. The sealing mechanism according to claim 4, wherein the inner wall of the wire through hole (13) is provided with a plurality of water-retaining protrusions, and the plurality of water-retaining protrusions are parallel to each other and arranged at intervals.

7. The sealing mechanism according to any one of claims 2 to 6, further comprising a fixing plate (2), wherein the fixing plate (2) is detachably connected with the partition plate (4);

the outer wall of the upper sealing block (11) is provided with a first slot (113), the fixing plate (2) is provided with a first notch (21) matched with the first slot (113), and the first slot (113) is inserted into the first notch (21) of the fixing plate (2).

8. The sealing mechanism according to claim 7, wherein a second slot (123) is provided on an outer wall of the lower sealing block (12), a second notch matching with the second slot (123) is formed at an opening of the partition plate (4), and the second slot (123) is inserted into the second notch of the partition plate (4).

9. A sealing mechanism according to claim 8, wherein the first socket (113) and/or the second socket (123) are stepped slots.

10. An air conditioner, comprising a partition plate (4), wherein an opening is arranged on the partition plate (4), characterized by further comprising a sealing mechanism (1) according to any one of claims 1 to 9, wherein the sealing mechanism (1) is arranged at the opening.

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