CN219306563U

CN219306563U - Connection structure of dry area chassis and wet area chassis and double-spliced chassis

Info

Publication number: CN219306563U
Application number: CN202223205182.5U
Authority: CN
Inventors: 黄威成; 雷铮; 梁泽彬; 彭展钊; 林黎明
Original assignee: Guangdong Linghe Composite Materials Co ltd
Current assignee: Guangdong Linghe Composite Materials Co ltd
Priority date: 2022-11-29
Filing date: 2022-11-29
Publication date: 2023-07-07
Anticipated expiration: 2032-11-29

Abstract

The utility model relates to the technical field of bathroom chassis, in particular to a connecting structure of a dry area chassis and a wet area chassis and a double-spliced chassis, wherein the connecting structure of the dry area chassis and the wet area chassis comprises a decorative baffle plate, a cladding piece and an isolation buffer piece which are sequentially arranged, the isolation buffer piece is arranged between a first water blocking edge and a second water blocking edge, the cladding piece is covered on the outer sides of the first water blocking edge and the second water blocking edge and is covered outside the isolation buffer piece, and the decorative baffle plate is also covered on the outer sides of the first water blocking edge and the second water blocking edge and is positioned outside the cladding piece. According to the utility model, the splicing and waterproofing of the dry area chassis and the wet area chassis are realized through the connecting structure, so that the sealing effect is maximized, the technical requirements of field installation workers are reduced, the transport volume of the double-spliced chassis is also reduced, and the structural waterproofing, the installation waterproofing and the material water-proof combination are realized through arranging a plurality of waterproof barriers, so that the whole double-spliced chassis has a better seepage-proofing function.

Description

Connection structure of dry area chassis and wet area chassis and double-spliced chassis

Technical Field

The utility model relates to the technical field of bathroom chassis, in particular to a connection structure of a dry area chassis and a wet area chassis and a double-spliced chassis.

Background

The double-spliced chassis is made into a whole, has larger area, is inconvenient to transport, and has the requirement of dry-wet separation, so the dry-spliced chassis and the wet-spliced chassis are usually manufactured separately, then are spliced together during installation, are spliced in a bonding mode, are connected with the wet-spliced chassis by adopting a plurality of connecting pieces in some cases, are easy to form gaps at the junction of the splicing to cause water leakage, and in the splicing process, if only the hard connection of the dry-spliced chassis and the wet-spliced chassis is performed, abnormal noise is caused due to friction when the dry-spliced chassis and the wet-spliced chassis are expanded with the change of weather in the use process, and meanwhile, if the hard connection is directly performed, the requirement on the surface flatness of the water blocking edge at the junction of the dry-spliced chassis and the wet-spliced chassis is also higher, so that the processing cost is increased.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, provides a connecting structure of a dry area chassis and a wet area chassis, has multiple waterproof measures, can have a good anti-seepage function at the junction of the dry area chassis and the wet area chassis, has a certain gap at the junction of the dry area chassis and the wet area chassis, provides a certain space for expansion caused by heat and contraction caused by cold, avoids friction, and is connected with the wet area chassis through the connecting structure instead of directly bonding the water retaining edge at the junction of the dry area chassis and the wet area chassis, so that the surface flatness of the water retaining edge is not required too much, and the processing cost can be reduced.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the connecting structure is used for connecting the dry area chassis with the wet area chassis, wherein the dry area chassis comprises a first water blocking edge, and the wet area chassis comprises a second water blocking edge; the connecting structure comprises a decorative baffle, a cladding piece and an isolation buffer piece which are sequentially arranged, wherein the isolation buffer piece is arranged between the first water retaining edge and the second water retaining edge, the cladding piece is covered on the outer sides of the first water retaining edge and the second water retaining edge and is covered outside the isolation buffer piece, and the decorative baffle is covered outside the cladding piece.

The junction of the dry area chassis and the wet area chassis is the position of a first water blocking edge and a second water blocking edge, a certain gap exists between the first water blocking edge and the second water blocking edge when the dry area chassis is connected with the wet area chassis, an isolation buffer piece is arranged between the first water blocking edge of the dry area chassis and the second water blocking edge of the wet area chassis, the isolation buffer piece has two functions, one is an isolation buffer function, and the first water blocking edge and the second water blocking edge are prevented from being in direct contact to generate friction; the other is to reduce the amount of glue needed for bonding, specifically, the isolation buffer member is disposed on the upper portions of the first water blocking edge and the second water blocking edge, the isolation buffer member can be used for receiving glue, and the gap between the first water blocking edge, the isolation buffer member and the second water blocking edge is filled with glue for bonding. The coating piece covers the outer sides of the first water blocking edge and the second water blocking edge and is coated outside the isolation buffer piece, an inner waterproof layer is formed at the junction of the dry area chassis and the wet area chassis while the dry area chassis and the wet area chassis are connected, water blocking is carried out from the outside through the coating piece, and water at the junction of the dry area chassis and the wet area chassis is prevented from directly falling into a gap between the two; the decorative baffle plate is also covered on the outer sides of the first water blocking edge and the second water blocking edge and is positioned outside the cladding piece, the decorative baffle plate forms an outer waterproof layer, wraps the outer side of the cladding piece and is used for blocking water falling on the cladding piece; the decorative baffle plate can also play roles of decoration, support and bearing force.

Preferably, the cladding member and the decorative baffle are both in a U-shaped structure.

Preferably, the cladding member is bonded to the first water blocking edge and the second water blocking edge.

Preferably, the cladding and/or the decorative baffle both extend from top to bottom to connect with the dry zone chassis inside and the wet zone chassis inside, respectively.

Preferably, the cladding piece is including first joint spare and the waterproofing membrane that all are U type structure, first joint spare is located the tip on first water retaining side and second water retaining side, and first joint spare still covers and locates first water retaining side and second water retaining side outside and cladding outside the isolation buffer, waterproofing membrane also covers and locates first water retaining side and second water retaining side outside and cladding outside the isolation buffer, and waterproofing membrane still covers and locates first joint spare outside.

Preferably, the first clamping piece and/or the waterproof coiled material are/is adhered to the first water blocking edge and the second water blocking edge respectively.

Preferably, the waterproof roll further comprises a filling layer, wherein the filling layer is positioned between the waterproof roll and the first water blocking edge and between the waterproof roll and the second water blocking edge, and the outer side of the waterproof roll is bonded with the inner side of the decorative baffle.

Preferably, a certain gap is reserved between the decorative baffle plate and the end parts of the first water blocking edge and the second water blocking edge.

Preferably, the cladding piece further comprises a second clamping piece, the second clamping piece is arranged at the end part of the first water blocking edge, away from the first clamping piece, of the second water blocking edge, the second clamping piece is also arranged at the outer sides of the first water blocking edge and the second water blocking edge in a covering mode and is coated outside the isolation buffer piece, and the waterproof coiled material is arranged at the outer sides of the second clamping piece in a covering mode.

Preferably, the second clamping member has the same structure as the first clamping member.

The utility model also provides a double-spliced chassis, which comprises the dry area chassis and the wet area chassis, wherein the connecting structure of the dry area chassis and the wet area chassis is arranged at the junction of the dry area chassis and the wet area chassis.

Compared with the prior art, the utility model has the beneficial effects that:

the splicing and waterproofing of the dry area chassis and the wet area chassis are realized through the connecting structure, so that the sealing effect is maximized, the technical requirements of field installation workers are reduced, the transport volume of the double-spliced chassis is also reduced, and the waterproof structure, the waterproof installation and the waterproof material water-proof combination are realized through arranging a plurality of waterproof barriers, so that the double-spliced chassis has a good seepage-proof function as a whole.

Drawings

FIG. 1 is a schematic diagram of a first splicing mode of a double-splice chassis according to the present utility model;

FIG. 2 is a schematic diagram of a second splicing mode of the double-splice chassis according to the present utility model;

FIG. 3 is a partial cross-sectional view of A-A of FIG. 2;

fig. 4 is a schematic structural view of fig. 2 after removing the decorative baffle plate and the waterproof roll;

fig. 5 is a partial enlarged view at B in fig. 2.

The graphic indicia are illustrated as follows:

1. a decorative baffle; 2. a cladding; 21. a first clamping piece; 22. waterproof coiled materials; 23. a second clamping piece; 3. an isolation buffer; 4. a filling layer; 101. a dry zone chassis; 1011. a first water-blocking edge; 1012. a third water-blocking edge; 1013. a fifth water blocking edge; 102. a wet zone chassis; 1021. a second water-blocking edge; 1022. a fourth water-blocking edge; 1023. a sixth water blocking edge; 103. and a connection structure.

Detailed Description

The utility model is further described below in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numbers in the drawings of embodiments of the utility model correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.

Example 1

Referring to fig. 3 to 5, a first embodiment of a connection structure of a dry zone chassis and a wet zone chassis according to the present utility model is used for connecting a dry zone chassis 101 and a wet zone chassis 102, where the dry zone chassis 101 includes a first water blocking edge 1011, and the wet zone chassis 102 includes a second water blocking edge 1021; the connection structure 103 comprises a decorative baffle 1, a cladding member 2 and an isolation buffer member 3 which are sequentially arranged, wherein the isolation buffer member 3 is arranged between the first water retaining edge 1011 and the second water retaining edge 1021, the cladding member 2 is covered on the outer sides of the first water retaining edge 1011 and the second water retaining edge 1021 and is covered outside the isolation buffer member 3, and the decorative baffle 1 is also covered on the outer sides of the first water retaining edge 1011 and the second water retaining edge 1021 and is positioned outside the cladding member 2.

As an embodiment of the present utility model, both the cladding member 2 and the decorative baffle plate 1 have U-shaped structures.

The cladding piece 2 with the U-shaped structure and the decorative baffle plate 1 are respectively and reversely buckled, so that the inner side of the cladding piece 2 is respectively abutted against the inner sides of the first water retaining edge 1011 and the second water retaining edge 1021 to form clamping connection between the cladding piece 2 and the bottom of the dry area chassis 101 and the bottom of the wet area; the size of the decoration baffle 1 is larger than that of the cladding piece 2, the decoration baffle 1 is positioned outside the cladding piece 2, the decoration baffle 1 and the cladding piece 2 form a nested structure, the decoration baffle 1 can be connected with the cladding piece 2, can be respectively connected with the first water retaining edge 1011 and the second water retaining edge 1021, or the decoration baffle 1 is connected with the bottom of the dry area chassis 101 and the bottom of the wet area chassis 102.

As an embodiment of the present utility model, the cover 2 is bonded to the first water blocking edge 1011 and the second water blocking edge 1021.

On the basis of clamping the cladding piece 2 with the dry area chassis 101 and the wet area bottom, bonding is performed between the cladding piece 2 and the first water blocking edge 1011 and between the cladding piece 2 and the second water blocking edge 1021, so that the reliability of connection between the cladding piece 2 and the dry area chassis 101 and the wet area chassis 102 is further improved.

As an embodiment of the utility model, the cladding 2 and/or the decorative baffle 1 each extend from top to bottom to connect with the inside of the dry zone chassis 101 and the inside of the wet zone chassis 102, respectively.

After the decorative baffle plate 1 is installed, water falling on the junction of the dry zone chassis 101 and the wet zone chassis 102 is enabled to flow into the dry zone chassis 101 or the wet zone chassis 102 by blocking the water from the top of the decorative baffle plate; and then the floor drain is discharged by the dry area chassis 101 or the wet area chassis 102.

As an embodiment of the present utility model, the coating member 2 includes a first clamping member 21 and a waterproof roll 22, both having a U-shaped structure, the first clamping member 21 is located at the end portions of the first water blocking edge 1011 and the second water blocking edge 1021, the first clamping member 21 is further covered on the outer sides of the first water blocking edge 1011 and the second water blocking edge 1021 and is coated on the outside of the isolation buffer member 3, the waterproof roll 22 is also covered on the outer sides of the first water blocking edge 1011 and the second water blocking edge 1021 and is coated on the outside of the isolation buffer member 3, and the waterproof roll 22 is further covered on the outer sides of the first clamping member 21.

The waterproof coiled material 22 is mainly used for building walls, roofs, tunnels, highways, landfill sites and the like, plays a roll-up flexible building material product for resisting external rainwater and groundwater leakage, is used as a leakage-free connection between engineering foundations and buildings, is a waterproof barrier of the whole engineering, and plays a vital role in the whole engineering. The cladding member 2 is divided into two parts, the first water retaining edge 1011 and the second water retaining edge 1021 are connected through the first clamping member 21, the middle parts of the first water retaining edge 1011 and the second water retaining edge 1021 are connected and sealed through the waterproof coiled material 22, the waterproof coiled material 22 covers the outer sides of the first water retaining edge 1011 and the second water retaining edge 1021 and serves as an inner waterproof layer, so that the overall waterproof effect is enhanced, and even if a part of water enters the inner side beyond the decorative baffle plate 1, the water can be blocked outside the gap between the first water retaining edge 1011 and the second water retaining edge 1021 by the waterproof coiled material 22, so that the possibility that the water enters the junction of the dry area chassis 101 and the wet area chassis 102 to form leakage is further reduced. Moreover, the waterproof roll 22 is also wrapped outside the first clamping member 21, and the waterproof performance is improved as a whole. Thus, as a whole, two waterproof barriers are arranged at the junction of the dry-area chassis 101 and the wet-area chassis 102, the first waterproof barrier is the decorative baffle plate 1 positioned at the outer side, the second waterproof barrier is the cladding piece 2 positioned at the inner side, and the two waterproof barriers are sealed layer by layer from the outer side to the inner side, so that water cannot permeate into a gap between the first water blocking edge 1011 of the dry-area chassis 101 and the second water blocking edge 1021 of the wet-area chassis 102.

As an embodiment of the present utility model, the first fastening member 21 and/or the waterproof roll 22 are further bonded to the first water blocking edge 1011 and the second water blocking edge 1021, respectively.

In order to increase the reliability of the connection between the first water blocking edge 1011 and the second water blocking edge 1021, the first fastening member 21 and the waterproof roll 22 are fastened to the first water blocking edge 1011 and the second water blocking edge 1021, respectively, and then bonded.

As an embodiment of the present utility model, the waterproof sheet material further comprises a filling layer 4, wherein the filling layer 4 is positioned between the waterproof sheet material 22 and the first water blocking edge 1011 and the second water blocking edge 1021, and the outer side of the waterproof sheet material 22 is adhered to the inner side of the decorative baffle plate 1.

In order to reduce the processing cost, a certain gap is formed between the cladding member 2 and the decoration baffle 1, the end parts of the U-shaped opening of the cladding member 2 are respectively connected with the bottom of the dry area chassis 101 and the bottom of the wet area chassis 102, the U-shaped opening end parts of the decoration baffle 1 are respectively connected with the bottom of the dry area chassis 101 and the bottom of the wet area chassis 102, the decoration baffle 1 is covered outside the waterproof coiled material 22, but the decoration baffle 1 is not required to be tightly attached to the waterproof coiled material 22, therefore, the filling layer 4 can be arranged between the waterproof coiled material 22 and the first water retaining edge 1011 and the second water retaining edge 1021, and can also be arranged between the waterproof coiled material 22 and the decoration baffle 1, so that the gap between the decoration baffle 1 and the waterproof coiled material 22 is reduced, and the glue amount used for bonding between the decoration baffle 1 and the waterproof coiled material 22 is reduced. Further, the filler layer 4 also has waterproof performance.

As an embodiment of the present utility model, a certain gap is reserved between the decorative baffle plate 1 and the ends of the first water blocking edge 1011 and the second water blocking edge 1021.

The reserved gap can facilitate the installation of the bathroom wall plate, and of course, the decorative baffle plate 1 can also be extended to the end parts of the first water retaining edge 1011 and the second water retaining edge 1021, and the decorative baffle plate 1 is clamped with the decorative baffle plate 1 after the groove is formed in the bottom of the bathroom wall plate during the installation of the bathroom wall plate.

As an embodiment of the present utility model, the covering member 2 further includes a second clamping member 23, the second clamping member 23 is disposed at the end portions of the first water blocking edge 1011 and the second water blocking edge 1021 away from the first clamping member 21, the second clamping member 23 is also disposed on the outer sides of the first water blocking edge 1011 and the second water blocking edge 1021 and is covered outside the isolation buffer member 3, and the waterproof roll 22 is also disposed on the outer side of the second clamping member 23.

The water blocking edge on one side of the dry area chassis 101 intersecting with the first water blocking edge 1011 is a third water blocking edge 1012, and the third water blocking edge 1012 is mutually perpendicular to the first water blocking edge 1011; the water-retaining edge on the intersecting side of the wet area chassis 102 and the second water-retaining edge 1021 is a fourth water-retaining edge 1022, and the fourth water-retaining edge 1022 and the second water-retaining edge 1021 are mutually perpendicular. The first fastening element 21 is used to connect the first water-retaining edge 1011 to the second water-retaining edge 1021, and to connect the third water-retaining edge 1012 to the fourth water-retaining edge 1022; the gaps at the intersection of the first water retaining edge 1011 and the third water retaining edge 1012 and the intersection of the second water retaining edge 1021 and the fourth water retaining edge 1022 are not exposed, so that water seepage is avoided.

As an embodiment of the present utility model, the second engaging member 23 has the same structure as the first engaging member 21.

The other water blocking edge of the dry area chassis 101 intersecting with the first water blocking edge 1011 is a fifth water blocking edge 1013, and the fifth water blocking edge 1013 is perpendicular to the first water blocking edge 1011 and is parallel to the third water blocking edge 1012 in opposite directions; the other water blocking edge of the wet area chassis 102 intersecting with the second water blocking edge 1021 is a sixth water blocking edge 1023, and the sixth water blocking edge 1023 is perpendicular to the second water blocking edge 1021 and is parallel to the fourth water blocking edge 1022. The first clamping piece 21 is used for connecting the first water retaining edge 1011, the second water retaining edge 1021, the third water retaining edge 1012 and the fourth water retaining edge 1022, the second clamping piece 23 is used for connecting the first water retaining edge 1011, the second water retaining edge 1021, the fifth water retaining edge 1013 and the sixth water retaining edge 1023, and correspondingly, waterproof coiled materials 22 are coated on the outer sides of the first clamping piece 21 and the second clamping piece 23; the connecting structure 103 covers the whole junction of the dry zone chassis 101 and the wet zone chassis 102, and water seepage from the junction is avoided. The second clamping member 23 and the first clamping member 21 have the same structure and are suitable for the situation that the side lengths of the junction of the dry area chassis 101 and the wet area chassis 102 are equal.

Example 2

The following is a second embodiment of a connection structure of a dry-zone chassis and a wet-zone chassis according to the present utility model, which is similar to embodiment 1, except that the second clamping member 23 is different from the first clamping member 21 in structure.

The third water blocking edge 1012 and the fourth water blocking edge 1022 are located on the same plane, and the first clamping piece 21 can clamp the third water blocking edge 1012 and the fourth water blocking edge 1022 at the same time; the fifth water retaining edge 1013 and the second water retaining edge 1021 are perpendicular to each other, and accordingly, the shape of the second clamping member 23 needs to be adaptively adjusted so as to be capable of being clamped with the fifth water retaining edge 1013 and the second water retaining edge 1021 at the same time. This structure is suitable for the case that the side lengths of the junction of the dry zone chassis 101 and the wet zone chassis 102 are not equal, and the fifth water blocking edge 1013 and the second water blocking edge 1021 are perpendicular to each other, in which case the size of the wet zone chassis 102 is larger than the size of the dry zone chassis 101.

Example 3

Fig. 1 to 2 show an embodiment of a double-spliced chassis according to the present utility model, which includes a dry-zone chassis 101 and a wet-zone chassis 102, and a connection structure 103 of the dry-zone chassis 101 and the wet-zone chassis 102 is installed at the junction of the dry-zone chassis 101 and the wet-zone chassis 102.

The double-spliced chassis realizes good connection of the dry-area chassis 101 and the wet-area chassis 102 through the connection structure 103, and meanwhile, on the basis of ensuring connection reliability, water seepage from the connection position of the dry-area chassis 101 and the wet-area chassis 102 can be avoided, so that the whole double-spliced chassis has a good seepage prevention function.

It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A connection structure of a dry zone chassis and a wet zone chassis for connection of a dry zone chassis (101) and a wet zone chassis (102), the dry zone chassis (101) comprising a first water-stop edge (1011), the wet zone chassis (102) comprising a second water-stop edge (1021); the connecting structure is characterized in that the connecting structure (103) comprises a decorative baffle plate (1), a cladding piece (2) and an isolation buffer piece (3) which are sequentially arranged, the isolation buffer piece (3) is arranged between the first water blocking edge (1011) and the second water blocking edge (1021), the cladding piece (2) covers the outer sides of the first water blocking edge (1011) and the second water blocking edge (1021) and is coated outside the isolation buffer piece (3), and the decorative baffle plate (1) covers the outer sides of the cladding piece (2).

2. The connection structure of the dry-zone chassis and the wet-zone chassis according to claim 1, wherein the cladding member (2) and the decorative baffle plate (1) are both of a U-shaped structure.

3. The dry zone chassis to wet zone chassis connection structure according to claim 1, wherein the cladding (2) is bonded to the first water blocking edge (1011) and the second water blocking edge (1021).

4. A dry zone chassis to wet zone chassis connection according to any of claims 1 to 3, characterized in that the cladding (2) and/or the decorative baffle (1) each extend from top down to connect with the inside of the dry zone chassis (101) and the inside of the wet zone chassis (102), respectively.

5. The connection structure of the dry-area chassis and the wet-area chassis according to claim 4, wherein the coating member (2) comprises a first clamping member (21) and a waterproof coiled material (22) which are both in a U-shaped structure, the first clamping member (21) is located at the end parts of the first water blocking edge (1011) and the second water blocking edge (1021), the first clamping member (21) is further covered on the outer sides of the first water blocking edge (1011) and the second water blocking edge (1021) and is coated outside the isolation buffer member (3), the waterproof coiled material (22) is also covered on the outer sides of the first water blocking edge (1011) and the second water blocking edge (1021) and is coated outside the isolation buffer member (3), and the waterproof coiled material (22) is further covered on the outer sides of the first clamping member (21).

6. The connection structure of the dry zone chassis and the wet zone chassis according to claim 5, further comprising a filling layer (4), wherein the filling layer (4) is located between the waterproof roll (22) and the first water blocking edge (1011) and the second water blocking edge (1021), and the outer side of the waterproof roll (22) is adhered to the inner side of the decorative baffle plate (1).

7. The structure for connecting a dry zone chassis to a wet zone chassis according to claim 5, wherein a certain gap is reserved between the decorative baffle plate (1) and the ends of the first water blocking edge (1011) and the second water blocking edge (1021).

8. The connection structure of the dry-zone chassis and the wet-zone chassis according to claim 5, wherein the covering member (2) further comprises a second clamping member (23), the second clamping member (23) is disposed at the end portions of the first water blocking edge (1011) and the second water blocking edge (1021) away from the first clamping member (21), the second clamping member (23) is also disposed at the outer sides of the first water blocking edge (1011) and the second water blocking edge (1021) in a covering manner and is covered outside the isolation buffer member (3), and the waterproof roll (22) is disposed at the outer sides of the second clamping member (23).

9. The connection structure of a dry zone chassis and a wet zone chassis according to claim 8, wherein the second clamping member (23) is identical in structure to the first clamping member (21).

10. A double-spliced chassis, which comprises a dry-area chassis (101) and a wet-area chassis (102), wherein the connecting structure (103) of the dry-area chassis (101) and the wet-area chassis (102) is arranged at the junction of the dry-area chassis (101) and the wet-area chassis (102), and the connecting structure (103) of the dry-area chassis (101) and the wet-area chassis (102) is arranged at the junction of the dry-area chassis (101) and the wet-area chassis (102).