L-shaped exhaust passage for residence
By using cement mortar to fill and support table structure in the residential exhaust duct, the problems of poor sealing effect and complex installation are solved, and the strong sealing effect and simple construction process are achieved, which improves the performance and convenience of the exhaust duct .
Patent Information
- Application Number
- CN202421025410.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-13
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2034-05-13
AI Technical Summary
The sealing effect of residential exhaust ducts is poor, the installation and maintenance are complicated, and the L-shaped exhaust ducts are prone to misalignment, resulting in waste of energy and degradation of environmental quality.
The L-shaped pipe wall located at the corner of the wall is filled with cement mortar, and sealing and supporting are achieved through the support table and side folding edges in the connector. The connecting parts are fixed by cement mortar to ensure the stable connection between the pipe wall and the wall. .
It achieves good sealing effect and strong support capabilities, simplifies the construction process, and improves the convenience and cost-effectiveness of the exhaust duct.
Smart Images

Figure CN222252943U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of exhaust pipes, in particular to an L-shaped exhaust duct for a residence. Background Art
[0002] Residential exhaust ducts refer to the channel system used to remove exhaust gas, moisture or odor generated inside residential buildings. These exhaust ducts usually include kitchen exhaust fans, bathroom exhaust fans and other areas where exhaust gas may be generated. They guide air from indoors to the outside of the building to ensure clean and healthy indoor air.
[0003] However, there are some problems with the current residential exhaust ducts: Poor sealing effect: The sealing effect of some exhaust ducts may not be ideal, resulting in uncontrolled exchange between indoor air and outdoor air, which may lead to energy waste and deterioration of indoor environmental quality. Inconvenient construction: The installation and maintenance of some exhaust ducts may be complicated and require special skills and tools, which increases the difficulty and cost of construction. L-shaped exhaust ducts are easy to misalign: The design of L-shaped exhaust ducts is prone to misalignment during installation, resulting in poor exhaust effect, requiring additional adjustments and maintenance, and increasing the inconvenience and cost of use. Utility Model Content
[0004] The utility model aims to provide a residential L-shaped exhaust duct to solve the above problems.
[0005] To achieve the above purpose, the utility model provides the following solutions:
[0006] A residential L-shaped exhaust duct comprises: a plurality of L-shaped pipe walls arranged at the corners of a wall, the plurality of L-shaped pipe walls being arranged longitudinally, cement mortar being filled between the L-shaped pipe walls and the wall surface, and connecting pieces being sealed and connected between adjacent L-shaped pipe walls;
[0007] The connecting part includes a supporting platform, and the two adjacent L-shaped tube walls are respectively abutted against the top surface and the bottom surface of the supporting platform, and the cement mortar is filled between the L-shaped tube wall and the supporting platform. An outer wall is provided on the outer side of the supporting platform, and the outer wall is fixedly connected to the floor. An inner wall is provided on the inner side of the supporting platform, and a side folded edge is provided at the end of the inner wall. The side folded edge is perpendicular to the supporting platform, and the side folded edge is fixedly connected to the wall surface.
[0008] Preferably, an outer groove is provided on one side of the supporting platform close to the outer wall, and the top end of the L-shaped tube wall located below the supporting platform is clamped between the side wall and the inner wall of the outer groove;
[0009] The outer groove is filled with the cement mortar.
[0010] Preferably, a plurality of first through holes are arranged in an array on the outer wall.
[0011] Preferably, a side wall of the outer groove away from the outer wall is provided with a plurality of second through holes.
[0012] Preferably, a horizontal folded edge is fixedly connected to the outer side of the top end of the outer wall, the horizontal folded edge is perpendicular to the outer wall, and the horizontal folded edge is fixedly connected to the floor.
[0013] Preferably, a portion of the inner wall close to the side fold edge is provided with a bending section, the bending section is fixedly connected to the supporting platform, and the bending section is perpendicular to the supporting platform.
[0014] Preferably, the side edge of the L-shaped tube wall is provided with a vertical edge, and the vertical edge is sealed and fitted with the wall surface.
[0015] Compared with the prior art, the utility model has the following advantages and technical effects:
[0016] In the utility model, a supporting platform is provided in the connecting piece, and the outer walls and inner walls on both sides of the supporting platform are used to achieve fixation and sealing, thereby achieving a good sealing effect. By providing side folded edges at the ends of the inner walls, the tension provided by the side folded edges is used to support the shape of the supporting platform, thereby preventing the L-shaped tube wall from causing deformation of the connecting piece after expansion.
[0017] By utilizing these structures, a residential L-shaped exhaust duct is realized which has good sealing effect, strong supporting capacity, simple structure and easy construction. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor:
[0019] Figure 1 It is a schematic diagram of the structure of the L-shaped tube wall;
[0020] Figure 2 It is a top view of the L-shaped tube wall;
[0021] Figure 3 is a schematic diagram of the structure of the connecting piece;
[0022] Figure 4 This is a schematic diagram of the structure after the connector and the L-shaped pipe wall are installed;
[0023] Figure 5 This is a schematic diagram of the construction of the device.
[0024] Among them, 1. L-shaped tube wall; 2. vertical edge; 3. horizontal folded edge; 4. outer wall; 5. outer groove; 6. supporting platform; 7. inner wall; 8. side folded edge. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0026] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0027] Reference Figures 1 to 5 The utility model discloses a residential L-shaped exhaust duct, comprising: a plurality of L-shaped pipe walls 1 arranged at the corners of a wall, the plurality of L-shaped pipe walls 1 are arranged longitudinally, cement mortar is filled between the L-shaped pipe walls 1 and the wall surface, and connecting pieces are sealed and connected between adjacent L-shaped pipe walls 1;
[0028] The connecting part includes a supporting platform 6, and two adjacent L-shaped tube walls 1 are respectively abutted against the top and bottom surfaces of the supporting platform 6. Cement mortar is filled between the L-shaped tube wall 1 and the supporting platform 6. An outer wall 4 is provided on the outer side of the supporting platform 6, and the outer wall 4 is fixedly connected to the floor. An inner wall 7 is provided on the inner side of the supporting platform 6, and a side folded edge 8 is provided at the end of the inner wall 7. The side folded edge 8 is vertically arranged with the supporting platform 6, and the side folded edge 8 is fixedly connected to the wall surface.
[0029] When the device is used, cement mortar is first applied to the top of the installed L-shaped pipe wall 1 or the exhaust duct, and then the connector is inserted into the installed L-shaped pipe wall 1 or the appropriate position of the exhaust duct, and the connector is fixed by cement mortar.
[0030] Afterwards, install the next L-shaped pipe wall 1, use heavy objects to support the two sides of the L-shaped pipe wall 1 to fix it, apply cement mortar on the top of the L-shaped pipe wall 1, and then insert the connecting piece into the appropriate position of the L-shaped pipe wall 1, fix the L-shaped pipe wall 1 and the connecting piece with cement mortar, and then apply cement mortar on both sides of the L-shaped pipe wall 1 for further sealing.
[0031] Similarly, multiple L-shaped pipe walls 1 are installed on multiple floors until the required exhaust duct is formed.
[0032] The utility model achieves a good sealing effect by providing a supporting platform 6 in the connecting piece, and utilizing the outer walls 4 and the inner walls 7 on both sides of the supporting platform 6 for fixation and sealing. By providing a side folded edge 8 at the end of the inner wall 7, the tension provided by the side folded edge 8 is utilized to support the shape of the supporting platform 6, thereby preventing the L-shaped tube wall 1 from causing the connecting piece to deform after expansion.
[0033] By utilizing these structures, a residential L-shaped exhaust duct is realized which has good sealing effect, strong supporting capacity, simple structure and easy construction.
[0034] Further optimizing the scheme, an outer groove 5 is provided on one side of the supporting platform 6 close to the outer wall 4, and the top end of the L-shaped tube wall 1 located below the supporting platform 6 is clamped between the side wall of the outer groove 5 and the inner wall 7;
[0035] The outer tank 5 is filled with cement mortar.
[0036] According to a further optimized solution, a plurality of first through holes are arranged in an array on the outer wall 4 .
[0037] When the outer groove 5 is filled with cement mortar, the cement mortar contacts the floor through the first through hole, thereby achieving good fixing and sealing effects.
[0038] The groove formed between the side wall of the outer groove 5 and the inner wall 7 can allow the top end of the L-shaped tube wall 1 located below to be well clamped.
[0039] According to a further optimized solution, a plurality of second through holes are formed on a side wall of the outer groove 5 away from the outer wall 4 .
[0040] The provision of the second through hole can further ensure that the top end of the L-shaped tube wall 1 located below is well sealed and fixed.
[0041] According to a further optimization scheme, a horizontal folded edge 3 is fixedly connected to the outer side of the top end of the outer wall 4, the horizontal folded edge 3 is perpendicular to the outer wall 4, and the horizontal folded edge 3 is fixedly connected to the floor.
[0042] According to a further optimized solution, a portion of the inner wall 7 close to the side fold edge 8 is provided with a bending section, the bending section is fixedly connected to the supporting platform 6, and the bending section is perpendicular to the supporting platform 6.
[0043] According to a further optimized solution, a vertical edge 2 is provided on the side of the L-shaped tube wall 1, and the vertical edge 2 is sealed against the wall surface.
[0044] The cross section of the vertical edge 2 is preferably in a broken line shape, which can achieve a good sealing effect.
[0045] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0046] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.
Claims
1. Residential L-shaped exhaust duct, characterized in that: include: A plurality of L-shaped tube walls (1) are arranged at the corners of the wall, the plurality of L-shaped tube walls (1) are arranged longitudinally, cement mortar is filled between the L-shaped tube walls (1) and the wall surface, and connecting pieces are provided between adjacent L-shaped tube walls (1) for sealing connection; The connecting member comprises a supporting platform (6), two adjacent L-shaped tube walls (1) are respectively in contact with the top surface and the bottom surface of the supporting platform (6), the cement mortar is filled between the L-shaped tube wall (1) and the supporting platform (6), an outer wall (4) is provided on the outer side of the supporting platform (6), the outer wall (4) is fixedly connected to the floor, an inner wall (7) is provided on the inner side of the supporting platform (6), a side folding edge (8) is provided at the end of the inner wall (7), the side folding edge (8) is vertically arranged with the supporting platform (6), and the side folding edge (8) is fixedly connected to the wall surface.
2. The residential L-shaped exhaust duct according to claim 1, characterized in that: An outer groove (5) is provided on one side of the supporting platform (6) close to the outer wall (4), and the top end of the L-shaped tube wall (1) located below the supporting platform (6) is clamped between the side wall and the inner wall (7) of the outer groove (5); The outer groove (5) is filled with the cement mortar.
3. The residential L-shaped exhaust duct according to claim 2, characterized in that: The outer wall (4) is provided with a plurality of first through holes in an array.
4. The residential L-shaped exhaust duct according to claim 2, characterized in that: A plurality of second through holes are formed on a side wall of the outer groove (5) away from the outer wall (4).
5. The residential L-shaped exhaust duct according to claim 1, characterized in that: A horizontal folded edge (3) is fixedly connected to the outer side of the top end of the outer wall (4); the horizontal folded edge (3) is perpendicular to the outer wall (4); and the horizontal folded edge (3) is fixedly connected to the floor.
6. The residential L-shaped exhaust duct according to claim 1, characterized in that: A portion of the inner wall (7) close to the side fold (8) is provided with a bent section, the bent section is fixedly connected to the supporting platform (6), and the bent section is perpendicular to the supporting platform (6).
7. The residential L-shaped exhaust duct according to claim 1, characterized in that: The side of the L-shaped tube wall (1) is provided with a vertical edge (2), and the vertical edge (2) is sealed and fitted with the wall surface.
