Pipe shaft house penetrating structure

Abstract

The utility model relates to a piping shaft house-penetrating structure which comprises a house-out face, a house-out face, a house-out face and a house-out face. The protection body is arranged outside the opening of the roof in a covering mode, the protection body is provided with a cavity communicated with the opening, the top of the protection body is closed, a pipeline outlet is formed in the side wall, away from the opening, of the protection body, and the pipeline outlet is used for allowing a refrigerant pipe to penetrate out; the protection body is provided with a water retaining structure located on the roof, and a water retaining area is defined by the water retaining structure and the side wall of the protection body. Drain holes located in the water retaining area are formed in the out-of-roof surface; the orthographic projection, in the first direction, of the water retaining area is located between the orthographic projection, in the first direction, of the opening and the orthographic projection, in the first direction, of the pipeline outlet; the first direction is parallel to the axis direction of the piping shaft. The situation that accumulated water on the roof flows backwards into the piping shaft can be reduced, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building renovation, and particularly relates to a pipe well structure passing through the roof. Background Art

[0002] With the development of building renovation technology, there are many current multi-split air conditioner renovation and installation construction projects, and it is necessary to connect the refrigerant pipes to the indoor and outdoor units through the construction of a pipe well.

[0003] In extreme weather conditions, the traditional pipe well structure exiting the roof is prone to water accumulation at the roof exit, resulting in the backflow of accumulated water into the pipe well, which not only affects the safe use of the multi-split air conditioner, but may even cause electric shock accidents due to the backflow of rainwater, so there are relatively large potential safety hazards. Summary of the Utility Model

[0004] Based on the above description, the utility model provides a pipe well structure passing through the roof to solve the problem that the pipe well is prone to water seepage at the roof exit, resulting in the backflow of accumulated water into the pipe well.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A pipe well structure passing through the roof, comprising:

[0007] A roof exit, provided with an opening communicating with the pipe well; and

[0008] A protective body, covering outside the opening of the roof exit, the protective body having a cavity communicating with the opening and the top of the protective body being closed, a pipe outlet being provided on the side wall of the protective body away from the opening, the pipe outlet being used for the refrigerant pipe to pass through; a water retaining structure is provided on the protective body at the roof exit, and a water retaining area is enclosed between the water retaining structure and the side wall of the protective body; a drain hole is provided on the roof exit in the water retaining area;

[0009] Wherein, the positive projection of the water retaining area in the first direction is located between the positive projection of the opening in the first direction and the positive projection of the pipe outlet in the first direction;

[0010] The first direction is parallel to the axial direction of the pipe well.

[0011] In one embodiment, there are two water retaining structures, and each water retaining structure is connected between two spaced side walls of the protective body; one of the water retaining structures is arranged towards the opening of the roof exit, the other water retaining structure is arranged towards the pipe outlet, and the height of one of the water retaining structures is greater than the height of the other water retaining structure.

[0012] In one embodiment, the positive projection of the other water blocking structure in the first direction overlaps with the positive projection of the pipe outlet in the first direction.

[0013] In one embodiment, the protective body is provided with a blocking structure located at the pipe outlet, and the blocking structure is used to block the gap between the pipe outlet and the refrigerant pipe; and / or

[0014] The outer surface of the protective body is waterproofed.

[0015] In one embodiment, the pipe well passing through the roof structure further includes a plurality of inverted beams arranged around the opening and the water blocking area, and a part of the inverted beams are connected between the bottom surface of the side wall of the protective body and the roof, and another part of the inverted beams are arranged at the bottom of the water blocking structure.

[0016] In one embodiment, a safety door is provided on the side wall of the protective body, and the safety door is located above the pipe outlet.

[0017] In one embodiment, the protective body includes:

[0018] A wall arranged around the opening and the water blocking area; and

[0019] A first protective cover and a second protective cover, the first protective cover covers a part of the wall, and the second protective cover covers another part of the wall;

[0020] Wherein, the positive projection of the first protective cover in the first direction covers the positive projection of the opening in the first direction, and the positive projection of the second protective cover in the first direction covers the water blocking area.

[0021] In one embodiment, the maximum height of the second protective cover from the roof is less than or equal to the minimum height of the first protective cover from the roof; and / or

[0022] The second protective cover is detachably connected to the other part of the wall of the protective body; and / or

[0023] The second protective cover is horizontally arranged or inclinedly arranged on the other part of the wall.

[0024] In one embodiment, a drip groove facing the roof is provided at the end of the second protective cover away from the first protective cover.

[0025] In one embodiment, a plurality of support crossbars are provided inside the protective body, and the support crossbars are used to support the refrigerant pipes passing through the pipe shaft; along the direction of the water blocking area away from the opening, the heights of the plurality of support crossbars from the roof surface decrease in a gradient manner.

[0026] Compared with the prior art, the technical solution of the present application has the following beneficial technical effects:

[0027] In the present utility model, a protective body is provided on the roof surface above the pipe shaft, and the protective body is used for the refrigerant pipes coming out of the pipe shaft to pass through. A water blocking structure is provided inside the protective body, so that a water blocking area is formed between the opening on the roof surface and the pipe outlet of the protective body. Therefore, when rainwater leaks into the protective body through the pipe outlet, the water blocking structure can block the rainwater, and by providing drainage holes corresponding to the water blocking area on the roof surface, the accumulated water can be discharged in time, thereby reducing the situation that the accumulated water pours back into the pipe shaft through the opening and reducing potential safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 is a schematic plan view of a pipe shaft passing through the roof structure provided by an embodiment of the present application;

[0029] Figure 2 is Figure 1 the sectional view along the A-A section in

[0030] Figure 3 is Figure 1 the sectional view along the B-B section in

[0031] Figure 4 is Figure 1 the sectional view along the C-C section in

[0032] Figure 5 is Figure 1 the sectional view along the D-D section in

[0033] Figure 6 is a schematic structural view of the second cover plate in an embodiment of the present application.

[0034] Description of the reference numerals:

[0035] Pipe shaft passing through the roof structure 10;

[0036] Roof surface 11, opening 11a, drainage hole k;

[0037] Protective body 12, cavity 12a, pipe outlet 12b, water blocking structure 12c, support crossbar 12d, wall 121, first protective cover 122, first cover plate 1221, sloping roof 1222, second protective cover 123, drip groove 123a, second cover plate 1231, vertical plate t, fixing hole u, water blocking area r, cross beam s;

[0038] Inverted beam 13;

[0039] Support frame 14;

[0040] Pipe shaft 20;

[0041] Refrigerant pipe 30;

[0042] Lower floor L;

[0043] First direction F1, second direction F2. Detailed implementation manners

[0044] For ease of understanding of this application, the following will provide a more comprehensive description of this application with reference to relevant accompanying drawings. Embodiments of this application are shown in the drawings. However, this application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the disclosure of this application more thorough and comprehensive.

[0045] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs. The terms used in the specification of this application herein are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0046] It can be understood that spatial relationship terms such as "under", "below", "lower", "beneath", "above", "upper", etc. can be used herein to describe the relationship between one element or feature shown in the drawings and other elements or features. It should be understood that in addition to the orientation shown in the drawings, spatial relationship terms also include different orientations of the devices during use and operation. For example, if the device in the drawing is flipped, an element or feature described as "under other elements" or "beneath it" or "under it" will be oriented "above" other elements or features. Therefore, the exemplary terms "under" and "below" can include both the upper and lower orientations. In addition, the device can also include other orientations (such as rotating 90 degrees or other orientations), and the spatial description terms used herein are accordingly interpreted.

[0047] It should be noted that when an element is considered to be "connected" to another element, it can be directly connected to the other element or connected to the other element through an intermediate element. In the following embodiments, "connection", if there is an electrical signal or data transfer between the connected circuits, modules, units, etc., should be understood as "electrical connection", "communication connection", etc.

[0048] As used herein, the singular forms "a", "an" and "the" may also include the plural forms unless the context clearly dictates otherwise. It should also be understood that the terms "comprising", "including" or "having" and the like specify the presence of the stated features, integers, steps, operations, components, parts, or combinations thereof, but do not preclude the presence or addition of one or more other features, integers, steps, operations, components, parts, or combinations thereof.

[0049] Figure 1 The figure shows a schematic plan view of a pipe shaft passing through a roof structure provided by an embodiment of the present application. Figure 2 shows Figure 1 The sectional view along the A-A section in. It should be noted that, for the convenience of explaining the positional relationship between the pipe shaft, the refrigerant pipe and the pipe shaft passing through the roof structure, in Figure 2 The relevant structures of the pipe shaft and the refrigerant pipe are also shown.

[0050] Refer to Figure 1 and Figure 2 An embodiment of the present application provides a pipe shaft passing through a roof structure 10, including a roof exit 11 and a protective body 12. The roof exit 11 is provided with an opening 11a communicating with the pipe shaft 20. The protective body 12 covers the outside of the opening 11a of the roof exit 11. The protective body 12 has a cavity 12a communicating with the opening 11a and the top of the protective body 12 is closed. A pipe outlet 12b is provided on the side wall of the protective body 12 far from the opening 11a. The pipe outlet 12b is used for the refrigerant pipe 30 to pass through. The protective body 12 is provided with a water retaining structure 12c located on the roof exit 11. A water retaining area r is enclosed between the water retaining structure 12c and the side wall of the protective body 12. The roof exit 11 is provided with a drain hole k located in the water retaining area r. Among them, the orthographic projection of the water retaining area r in the first direction F1 is located between the orthographic projection of the opening 11a in the first direction F1 and the orthographic projection of the pipe outlet 12b in the first direction F1. The first direction F1 is parallel to the axis direction of the pipe shaft 20. The second direction F2 is the direction in which the water retaining area r is far from the opening 11a, and the second direction F2 can be regarded as the horizontal direction.

[0051] Specifically, the pipe shaft 20 is used for installing pipes to pass through. The installed pipes may include refrigerant pipes, line pipes or other pipelines. In a specific embodiment, the pipe shaft 20 is used for the refrigerant pipe 30 to pass through to realize the multi-air conditioner connection for use. In this embodiment, the pipe shaft 20 refers to the pipe shaft located below the roof exit 11. There is a lower floor L below the roof exit 11.

[0052] It should be noted that the protective body 12 has a vertical shaft and a horizontal shaft. The vertical shaft communicates with the pipe shaft 20 through the opening 11a. The horizontal shaft is located above the water-blocking area r and communicates with the pipe outlet 12b. The net height from the top of the protective body 12 directly above the pipe shaft 20 to the roof outlet 11 is more than 150 cm. The side wall of the protective body 12 is of masonry structure, and a cover plate structure is provided at the top. The water-blocking structure 12c can be masonry. One or more water-blocking structures 12c can be provided to perform a water-blocking function on the opening 11a of the roof outlet 11 (i.e., the wellhead of the pipe shaft 20). The drain hole k can be connected to a drain pipe to facilitate the drainage of accumulated water.

[0053] In the embodiment of the present application, a protective body 12 is provided on the roof outlet 11 above the pipe shaft 20. The protective body 12 is used for the refrigerant pipe 30 coming out of the pipe shaft 20 to pass through. A water-blocking structure 12c is provided in the protective body 12, so that a water-blocking area r is formed between the opening 11a of the roof outlet 11 and the pipe outlet 12b in the protective body 12. Thus, when rainwater leaks into the protective body 12 through the pipe outlet 12b, the water-blocking structure 12c can block the rainwater, and by providing a drain hole k on the roof outlet 11, the accumulated water can be drained in time, thereby reducing the situation that the accumulated water backflows into the pipe shaft 20 through the opening 11a and reducing potential safety hazards.

[0054] Continue to refer to Figure 2 , in some embodiments, there are two water-blocking structures 12c, and each water-blocking structure 12c is connected between two spaced side walls of the protective body 12. One of the water-blocking structures 12c is arranged towards the opening 11a of the roof outlet 11, and the other water-blocking structure 12c is arranged towards the pipe outlet 12b, and the height of this one water-blocking structure 12c is greater than the height of the other water-blocking structure 12c. In this way, the two water-blocking structures 12c perform a two-stage water-blocking function on the opening 11a, and the height of the water-blocking structure 12c arranged towards the opening 11a (which can be regarded as the inner water-blocking structure 12c) is greater than the height of the water-blocking structure 12c arranged towards the pipe outlet 12b (which can be regarded as the outer water-blocking structure 12c), so that when the accumulated water overflows the outer water-blocking structure 12c, the inner water-blocking structure 12c can also play a water-blocking role, and the accumulated water can be drained in time through the drain hole k, thereby reducing the situation that the accumulated water backflows into the pipe shaft 20 through the opening 11a.

[0055] Further, the positive projection of the other water retaining structure 12c in the first direction F1 overlaps with the positive projection of the pipe outlet 12b in the first direction F1. In this way, the outer water retaining structure 12c is arranged directly below the pipe outlet 12b, making the outer water retaining structure 12c highly feasible, simple and applicable. When rainwater overflows the outer water retaining structure 12c and enters the water retaining area r through the pipe outlet 12b, the inner water retaining structure 12c can block the accumulated water, and the accumulated water can be discharged in time through the drain hole k, thereby reducing the situation where the accumulated water flows back into the pipe well 20 through the opening 11a.

[0056] In some embodiments, the protective body 12 is provided with a plugging structure (not shown in the figure) located at the pipe outlet 12b, and the plugging structure is used to plug the gap between the pipe outlet 12b and the refrigerant pipe 30. Specifically, when the refrigerant pipe 30 passes through the pipe outlet 12b, the gap between the refrigerant pipe 30 and the pipe outlet 12b can be plugged, and the plugging material can be concrete material or other waterproof materials. In this way, the sealing and waterproof effect of the refrigerant pipe 30 at the pipe outlet 12b can be improved through the plugging structure, preventing rainwater from directly pouring into the water retaining area r, and at the same time preventing mice and garbage from entering the protective body 12. Further, the outer surface of the protective body 12 is waterproofed to improve the protection effect of the outer surface of the protective body 12 and reduce the occurrence of water seepage.

[0057] Refer to Figure 3 , and in combination with Figure 2 , Figure 3 shows Figure 1 the sectional view along the B-B section in

[0058] Specifically, before implementing the construction, first determine the dimensional specifications of the opening 11a and the positions of the beam-column bodies on the back of the roof outlet 11, and plan the water-blocking area r according to the outlet direction of the refrigerant pipe 30, so as to determine the setting area of the counter beam 13. Then, reinforced concrete can be cast on-site to form the counter beam 13, so that the wall of the protective body 12 can be built on the counter beam 13 and the water-blocking structure 12c can be set. In a specific embodiment, the pipe shaft passing-through roof structure 10 includes five counter beams 13, four of which are arranged around the periphery of the opening 11a and the water-blocking area r, and the remaining one counter beam 13 is arranged between the opening 11a and the water-blocking area r, so that both the opening 11a and the water-blocking area r are surrounded by the counter beam 13. In other embodiments, the number of counter beams 13 can be set to six, seven, etc., which can be specifically set according to the actual situation. In this embodiment, the water-blocking structure 12c and the counter beam 13 can be an integrally cast structure on-site, or a prefabricated component, or the water-blocking structure 12c is a masonry and is arranged on the counter beam 13. The five counter beams 13 include two long counter beams 13 and three short counter beams 13, and a roof ring beam is formed by the two counter beams 13 and the three short counter beams 13. The outer contour shape of the five counter beams 13 is rectangular, and the overall shape is like a Chinese character 'Ri'. The two long counter beams 13 are arranged along the edge of the opening 11a and are parallel to the transverse outlet direction of the refrigerant pipe 30 (i.e., the second direction F2). The three short counter beams 13 are all arranged in the middle of the two long counter beams 13, so that both the opening 11a and the water-blocking area r are surrounded by the counter beam 13, and at least ensure that the steel bar reinforcements at both ends of one of the two long or three short counter beams 13 are anchored on the beam-column bodies on the back of the roof outlet 11. The lengths, widths, and heights of the two long counter beams 13 are the same respectively, and the length is set according to the actual slope situation of the refrigerant pipe 30 on-site. In this embodiment, the length of the long counter beam 13 is set between 200 cm and 500 cm, the width is within 30 cm, and its height is not less than 30 cm. The lengths of the three short counter beams 13 are the same, the width is the same as the width dimension of the long counter beam 13, and the height is the same as the height dimension of the long counter beam 13 or can be appropriately reduced. In particular, the height of the short counter beam 13 near the pipe outlet 12b should be lower than the heights of all the other counter beams 13. In this embodiment, all the counter beams 13 play the roles of bearing force and water blocking. They can not only improve the load-bearing effect on the protective body 12, but also play a role in water blocking, reducing the situation of rainwater leakage. In addition, the bottom counter beam 13 of the entire pipe shaft passing-through roof structure 10 is tightly connected to the structural layer of the roof outlet 11. After the casting and masonry plastering construction are completed, the waterproof treatment is carried out on the outer facade of the roof outlet 11 and the pipe shaft passing-through roof structure 10 according to the specification requirements.

[0059] In some embodiments, a safety door (not shown in the figure) is provided on the side wall of the protective body 12. The safety door is located above the pipe outlet 12b or is provided on the long inverted beam 13 and close to the water retaining area r. Specifically, the safety door can be regarded as an opening fan, which is used for maintenance or replacement of the refrigerant pipe 30 when maintenance personnel enter the protective body 12. In other embodiments, a safety door may be provided inside the protective body 12 near the opening 11a. In this embodiment, the safety door can be manually opened, and after the refrigerant pipe 30 is inspected, the safety door can be locked to prevent rats and provide safety protection.

[0060] Continue to refer to Figure 2 and Figure 3 In some embodiments, the protective body 12 includes a wall body 121, a first protective cover 122, and a second protective cover 123. The wall body 121 is arranged around the opening 11a and the water retaining area r. The first protective cover 122 covers a part of the wall body 121, and the second protective cover 123 covers another part of the wall body 121. Among them, the orthographic projection of the first protective cover 122 in the first direction F1 covers the orthographic projection of the opening 11a in the first direction F1, and the orthographic projection of the second protective cover 123 in the first direction F1 covers the water retaining area r.

[0061] Specifically, the wall body 121 is built around the periphery of the opening 11a and the water retaining area r to form a vertical shaft and a horizontal shaft. The vertical shaft communicates with the pipe shaft 20, and the horizontal shaft is located above the water retaining area r and communicates with the pipe outlet 12b. A cross beam s is arranged in the middle of the top of the wall body 121, so that the first protective cover 122 can be covered on a part of the wall body 121 and the cross beam s in the vertical shaft, and the second protective cover 123 can be covered on another part of the wall body 121 and the cross beam s in the horizontal shaft. In this embodiment, the first protective cover 122 includes a first cover plate 1221 and a sloping roof 1222 arranged above the first cover plate 1221. During implementation, the horizontal first cover plate 1221 can be cast in place on the wall body 121 and the cross beam s. The sloping roof 1222 can be a single-slope roof 1222 or a symmetric sloping roof 1222, and tiles are laid on the sloping roof 1222. The second protective cover 123 includes a second cover plate 1231, and the second cover plate 1231 can be cast in place. In this embodiment, the other part of the wall body 121 for covering the second cover plate 1231 can be a sloping masonry wall body 121 or a horizontal masonry wall body 121. Correspondingly, the second cover plate 1231 can be a horizontal cover plate or an inclined cover plate, which can be appropriately adjusted according to the needs of architectural aesthetics and is not limited in this embodiment. It should be noted that when the second cover plate 1231 is a horizontal cover plate, the net height of the horizontal shaft is not less than 170 cm, and when the second cover plate 1231 is an inclined cover plate, the net height of the lowest point of the horizontal shaft is not less than 160 cm. In addition, in this embodiment, lightning protection treatment needs to be carried out on all the top forming surfaces of the protective body 12.

[0062] Continue to refer to Figure 3 , in some embodiments, the maximum height of the second protective cover 123 from the roof surface 11 is less than or equal to the minimum height of the first protective cover 122 from the roof surface 11. Specifically, when both the first cover plate 1221 and the second cover plate 1231 are horizontal cover plates, the height of the first cover plate 1221 from the roof surface 11 can be set equal to the height of the second cover plate 1231 from the roof surface 11, so that the appearance structure of the protective body 12 is an approximate cuboid structure, or the height of the first cover plate 1221 from the roof surface 11 can be set greater than the height of the second cover plate 1231 from the roof surface 11, so that the appearance structure of the protective body 12 is a cuboid structure or a cube structure with two different heights. Or, when the first cover plate 1221 is a horizontal cover plate and the second cover plate 1231 is an inclined cover plate, the height of the first cover plate 1221 from the roof surface 11 can be set greater than the maximum height of the second cover plate 1231 from the roof surface 11, so that the appearance structure of the protective body 12 is an irregular beveled body with different heights. Or, the first cover plate 1221 and the second cover plate 1231 are constructed as an integral structure. In this way, the protective body 12 with different appearance structures can be flexibly set to meet various architectural aesthetic needs.

[0063] Figure 4 is Figure 1 the sectional view along the C-C section in Figure 5 is Figure 1 the sectional view along the D-D section in Figure 6 the structural schematic diagram of the second cover plate 1231 in the embodiment of the present application.

[0064] Refer to Figures 4 to 6 and in combination with Figure 3 , in some embodiments, the second protective cover 123 is detachably connected to another part of the wall body 121 of the protective body 12. Specifically, vertical plates t made of steel are provided on both sides of the second cover plate 1231, and screw holes (i.e., fixing holes u) are opened on the vertical plates t. The second cover plate 1231 can correspond to the reserved screw holes of another part of the wall body 121 of the protective body 12 through the screw holes on the vertical plates t and be threadedly connected by bolts, so as to facilitate the detachable of the second cover plate 1231. In other embodiments, the second cover plate 1231 can also be fixed by on-site casting or other non-detachable fixing methods, which can be specifically set according to actual needs, and are not limited in this embodiment.

[0065] Continue to refer to Figure 3, in some embodiments, a drip groove 123a facing the roof outlet 11 is provided at the end of the second protective cover 123 away from the first protective cover 122. Specifically, the drip groove 123a facing the roof outlet 11 is formed at the end of the second cover plate 1231. In this way, the situation that water droplets flow back into the protective body 12 at the end of the second protective cover 123 can be reduced, which helps to improve the waterproof effect of the protective body 12.

[0066] Continue to refer to Figure 2 and Figure 3 , in some embodiments, a plurality of support crossbars 12d are provided in the protective body 12, and the support crossbars 12d are used to support the refrigerant pipes 30 passing through the pipe shaft 20; wherein, along the direction away from the opening 11a of the water blocking area r (i.e., the second direction F2), the heights of the plurality of support crossbars 12d from the roof outlet 11 decrease in a gradient manner. Specifically, the support crossbars 12d are made of steel. In a specific embodiment, three support crossbars 12d are provided in the protective body 12, and the end of each support crossbar 12d is fixedly connected to the side wall of the protective body 12. The highest support crossbar 12d is located in the vertical shaft above the pipe shaft 20, the lowest support crossbar 12d is located in the pipe outlet 12b, and the remaining support crossbar 12d can be arranged in the vertical shaft or the horizontal shaft, which can be set according to actual needs. In this way, by providing a plurality of support crossbars 12d with gradually decreasing heights, the refrigerant pipes 30 are fixed and supported, so that the refrigerant pipes 30 can be routed obliquely in the horizontal shaft, and the subsequent refrigerant pipes 30 can be arranged as close to the roof outlet 11 as possible.

[0067] Continue to refer to Figure 2 , in some embodiments, the pipe shaft through-roof structure 10 further includes a plurality of support frames 14 provided on the roof outlet 11, and at least one support frame 14 is arranged close to the pipe outlet 12b, and the at least one support frame 14 is used to support the refrigerant pipes 30 passing through the pipe outlet 12b. Specifically, the support frame 14 is used to support the refrigerant pipes 30 overhead. In a specific embodiment, a support frame 14 can be arranged within a range of 50 cm to 120 cm outside the pipe outlet 12b according to needs, and the height of the support frame 14 is lower than the height of the lowest support crossbar 12d. In this way, the refrigerant pipes 30 are laid to the multi-split air conditioner area on the roof outlet 11 and connected to the multi-split air conditioner through the support frame 14 and subsequent support frames 14.

[0068] In the embodiment of the present application, a protective body 12 is provided on the roof outlet 11 above the pipe shaft 20. The protective body 12 is used for the refrigerant pipe 30 coming out of the pipe shaft 20 to pass through. A water blocking structure 12c is arranged in the protective body 12, so that a water blocking area r is formed between the opening 11a on the roof outlet 11 and the pipe outlet 12b of the protective body 12. Thus, when rainwater leaks into the protective body 12 through the pipe outlet 12b, the water blocking structure 12c can block the rainwater, and by arranging a drainage hole k on the roof outlet 11 corresponding to the water blocking area r, the accumulated water can be drained in time, thereby reducing the occurrence of the situation that the accumulated water backflows into the pipe shaft 20 through the opening 11a and reducing the potential safety hazard. In addition, by arranging a counter beam 13 between the roof outlet 11 and the protective body 12, the stability of the protective body 12 and the waterproof effect of the bottom of the pipe shaft through-roof structure 10 can be improved, and it has strong practicability and can be popularized and used.

[0069] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A pipe shaft structure passing through a house, characterized in that, Comprising: Projecting out of the roof, having an opening communicating with the pipe shaft; and A protective body, covering outside the opening of the projecting part of the roof, the protective body having a cavity communicating with the opening and the top of the protective body being closed, a pipe outlet being provided on the side wall of the protective body away from the opening, and the pipe outlet being used for the refrigerant pipe to pass through; a water-blocking structure is provided on the protective body at the projecting part of the roof, and a water-blocking area is enclosed between the water-blocking structure and the side wall of the protective body; a drain hole is provided on the projecting part of the roof in the water-blocking area; Wherein, the orthographic projection of the water-blocking area in the first direction is located between the orthographic projection of the opening in the first direction and the orthographic projection of the pipe outlet in the first direction; The first direction is parallel to the axis direction of the pipe shaft.

2. The pipe shaft structure passing through the roof according to claim 1, wherein There are two water-blocking structures, and each water-blocking structure is connected between two spaced side walls of the protective body; One of the water-blocking structures is arranged towards the opening of the projecting part of the roof, and the other water-blocking structure is arranged towards the pipe outlet, and the height of this one water-blocking structure is greater than the height of the other water-blocking structure.

3. The pipe shaft structure passing through the roof according to claim 2, characterized in that, The orthographic projection of the other water-blocking structure in the first direction overlaps with the orthographic projection of the pipe outlet in the first direction.

4. The pipe shaft structure passing through the roof according to claim 1, characterized in that, The protective body is provided with a plugging structure at the pipe outlet, and the plugging structure is used for plugging the gap between the pipe outlet and the refrigerant pipe; and / or The outer facade of the protective body is subjected to waterproof treatment.

5. The pipe shaft structure passing through the roof according to any one of claims 1-4, characterized in that, The pipe shaft structure passing through the roof further includes a plurality of inverted beams arranged around the opening and the water-blocking area, and a part of the inverted beams are connected between the bottom surface of the side wall of the protective body and the projecting part of the roof, and the other part of the inverted beams are arranged at the bottom of the water-blocking structure.

6. The pipe shaft structure passing through the roof according to any one of claims 1-4, characterized in that, A safety door is provided on the side wall of the protective body, and the safety door is located above the pipe outlet.

7. The pipe shaft structure passing through the roof according to any one of claims 1-4, characterized in that, The protective body includes: A wall arranged around the opening and the water-blocking area; and A first protective cover and a second protective cover, the first protective cover covering a part of the wall, and the second protective cover covering another part of the wall; Wherein, the orthographic projection of the first protective cover in the first direction covers the orthographic projection of the opening in the first direction, and the orthographic projection of the second protective cover in the first direction covers the water-blocking area.

8. The pipe shaft structure passing through the roof according to claim 7, characterized in that, The maximum height of the second protective cover from the projecting part of the roof is less than or equal to the minimum height of the first protective cover from the projecting part of the roof; and / or The second protective cover is detachably connected to the other part of the wall of the protective body; and / or The second protective cover is horizontally arranged or obliquely arranged on the other part of the wall.

9. The pipe shaft structure passing through the roof according to claim 7, characterized in that, A drip groove facing the projecting part of the roof is provided at the end of the second protective cover away from the first protective cover.

10. The pipe shaft structure passing through the roof according to any one of claims 1-4, characterized in that, A plurality of support cross bars are arranged in the protective body, and the support cross bars are used for supporting the refrigerant pipe passing through the pipe shaft; along the direction of the water-blocking area away from the opening, the height of the plurality of support cross bars from the projecting part of the roof decreases in a gradient.

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