Additional airtight waterproof heat insulation door
By installing installed door frames on the back of the door of the grain storage ware and splicing waterproof and thermal insulation door panels, the problem of insufficient insulation and airtightness of the warehouse door is solved, and efficient heat insulation and airtight effects are achieved, while reducing the transformation cost and avoiding the waste of the original facilities.
Patent Information
- Application Number
- CN202421224179.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The doors of grain storage warehousing, especially low-temperature warehousing, have weak heat insulation and airtightness. The existing solution is to replace the heat insulation sealed door, which is costly and leads to waste of the original warehouse door.
A installed airtight waterproof and heat insulation door is designed. By installing an installed door frame on the back of the original main door frame and splicing and fixing the door panel made of watertight insulation material on it, it is fixed with threaded connectors to achieve heat insulation and airtight effects.
It can improve heat insulation and airtightness without replacing the original warehousing door, reduce transformation costs, reduce waste of facilities, and be easy to install and maintain. It is suitable for occasions with high requirements for warehousing door performance.
Smart Images

Figure CN222558415U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an add-on airtight, waterproof and insulating door. Background Art
[0002] The doors of grain storage warehouses, especially low-temperature warehouses, are weak points in terms of insulation and airtightness. In order to improve the insulation and airtightness of grain storage warehouses, the current common practice is to replace the original doors with insulated sealed doors. Insulated sealed doors are expensive, resulting in high renovation costs, and the original doors are no longer used after replacement, which not only causes waste, but also increases the difficulty and cost of handling. Utility Model Content
[0003] The utility model aims to provide a retrofittable airtight and waterproof heat-insulating door, which can improve the heat insulation and airtightness performance of the warehouse door without replacing the original warehouse door, thereby greatly reducing the renovation cost.
[0004] The add-on airtight and waterproof insulation door comprises: an add-on door frame, which is installed on the rear side of the main door frame and has an inner frame surface connected with the inner frame of the main door frame and a step surface facing the front side of the main door frame; a spliced door panel, which has a main body made of waterproof and heat-insulating material and a edging arranged around the edge of the main body and made of airtight material; the number of the spliced door panels is plural and they are spliced to form an integral door panel for sealing the add-on door frame, the main bodies of each spliced door panel are fixed to the step surface by threaded connectors, and the edging of each spliced door panel is crimped with the corresponding inner frame surface and the corresponding edging of adjacent spliced door panels.
[0005] According to an embodiment of the present application, the add-on door frame is made of PVC profile.
[0006] According to an embodiment of the present application, the waterproof and heat-insulating material is a polystyrene foam colored steel sandwich panel.
[0007] According to an embodiment of the present application, the airtight material is made of PVC material.
[0008] According to an embodiment of the present application, the cross-section of the hemming is U-shaped.
[0009] According to the embodiment of the present application, the shape of the main body is a rectangle; the door panel as a whole is composed of a plurality of spliced door panels that are spliced in sequence along the width direction of these spliced door panels.
[0010] According to an embodiment of the present application, a front door is installed on the front side of the main door frame.
[0011] According to the embodiment of the present application, the threaded connection member is a bolt or a screw; corresponding through holes are distributed on the main body; and corresponding threaded holes are distributed on the step surface.
[0012] According to the embodiment of the present application, the shape of the main body is a rectangle, and the through holes are respectively opened on the four corners of the main body.
[0013] According to an embodiment of the present application, the main door frame is a door frame of a grain storage warehouse door.
[0014] The add-on airtight and waterproof insulation door adopts the method of adding, installing the add-on door frame on the rear side of the original main door frame, and fixing the spliced door panel on the add-on door frame. There is no need to remove the original warehouse door, which greatly reduces the cost of transformation. The add-on airtight and waterproof insulation door cleverly uses the design of adding and splicing. While improving the insulation, airtightness and waterproof performance of the warehouse door, it also reduces the transformation cost to the greatest extent, reduces the waste of the original facilities, and is very convenient to install and maintain. It is very suitable for occasions such as grain storage warehouses that have high requirements for warehouse door performance, and has a good prospect for promotion and application.
[0015] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. Additional aspects and advantages of the present invention will be partially given in the following description, partially become apparent from the following description, or be understood through practice. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The drawings constituting a part of this specification are used to assist the understanding of the present invention. The contents provided in the drawings and the related descriptions in this specification can be used to explain the present invention, but do not constitute an improper limitation on the present invention.
[0017] Figure 1 It is a structural schematic diagram of an add-on airtight and waterproof insulation door according to an embodiment of the utility model.
[0018] Figure 2 for Figure 1 A cross-sectional view of the retrofitted airtight and waterproof insulated door is shown.
[0019] Figure 3 for Figure 1 A partial enlarged view of the additional airtight and waterproof insulated door is shown.
[0020] Description of the drawings: 1- add-on door frame, 2- main door frame, 11- inner frame surface, 12- step surface, 3- spliced door panel, 31- main body, 32- edging, 4- threaded connector. DETAILED DESCRIPTION
[0021] The utility model is described clearly and completely below in conjunction with the accompanying drawings. A person skilled in the art will be able to implement the utility model based on these descriptions. Before describing the utility model in conjunction with the accompanying drawings, it should be particularly noted that:
[0022] The technical solutions and technical features provided in each section, including the following description, can be combined with each other without conflict. In addition, where possible, these technical solutions, technical features and related combinations can be assigned specific technical themes and protected by relevant patents.
[0023] The embodiments of the utility model involved in the following description are usually only a part of the embodiments rather than all the embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work should fall within the scope of patent protection.
[0024] Regarding the terms and units in this specification: The terms "include", "comprises", "have" and any variations thereof in this specification and the corresponding claims and related parts are intended to cover non-exclusive inclusions. In addition, other relevant terms and units can be reasonably interpreted based on the relevant content provided in this specification.
[0025] Figure 1 It is a structural schematic diagram of an add-on airtight and waterproof insulation door according to an embodiment of the utility model. Figure 2 for Figure 1 A cross-sectional view of the retrofitted airtight and waterproof insulated door is shown. Figure 3 for Figure 1 The enlarged partial view of the additional airtight and waterproof insulation door is shown in the figure. Figure 1-Figure 3 As shown, the add-on airtight and waterproof insulation door comprises: an add-on door frame 1, which is installed on the rear side of a main door frame 2 (the main door frame 2 is the door frame of a grain storage warehouse door) and has an inner frame surface 11 connected with the inner frame of the main door frame 2 and a step surface 12 facing the front side of the main door frame 2; a spliced door panel 3, which has a main body 31 made of waterproof and heat-insulating material and a edging 32 arranged around the edge of the main body 31 and made of airtight material; the number of the spliced door panels 3 is multiple and they are spliced to form an integral door panel for sealing the add-on door frame 1, and the main bodies 31 of each spliced door panel 3 are respectively fixed to the step surface 12 by threaded connectors 4, and the edging 32 of each spliced door panel 3 is crimped with the corresponding inner frame surface 11 and the corresponding edging 32 of adjacent spliced door panels 3.
[0026] Specifically, in this embodiment: the add-on door frame 1 is made of PVC profile, which has high strength, corrosion resistance and waterproofness. The waterproof and heat-insulating material adopts polystyrene foam color steel sandwich panel (which has good heat-insulating performance, can effectively reduce heat loss at the warehouse door, and improve the temperature environment in the warehouse). The airtight material adopts PVC material. The cross-section of the edging 32 is U-shaped. The shape of the main body 31 is rectangular. The door panel as a whole is composed of a plurality of spliced door panels 3 spliced in sequence along the width direction of these spliced door panels 3. The front door is installed on the front side of the main door frame 2. The threaded connector 4 adopts bolts or screws, and corresponding through holes are distributed on the main body 31. The through holes are respectively opened on the four corners of the main body 31, and corresponding threaded holes are distributed on the step surface 12.
[0027] The above-mentioned add-on airtight and waterproof insulation door adopts the method of adding, and the add-on door frame 1 is installed on the rear side of the original main door frame 2, and the spliced door panel 3 is fixed on the add-on door frame 1, without removing the original warehouse door, which greatly reduces the cost of transformation. The add-on airtight and waterproof insulation door cleverly uses the design of adding and splicing, while improving the insulation, airtightness and waterproof performance of the warehouse door, it minimizes the cost of transformation and reduces the waste of the original facilities. It is also very convenient to install and maintain, which is very suitable for occasions such as grain storage warehouses that have high requirements for warehouse door performance, and has a good prospect for promotion and application.
[0028] The above is a description of the relevant contents of the utility model. A person skilled in the art will be able to implement the utility model based on these descriptions. Based on the above contents of this specification, all other embodiments obtained by a person skilled in the art without making any creative work shall fall within the scope of patent protection.
Claims
1. The retrofitted airtight and waterproof insulation door is characterized by: include: An add-on door frame (1) is installed on the rear side of a main door frame (2) and has an inner frame surface (11) connected to the inner frame of the main door frame (2) and a step surface (12) facing the front side of the main door frame (2); A spliced door panel (3) comprising a main body (31) made of a waterproof and heat-insulating material and an edge (32) arranged around the edge of the main body (31) and made of an airtight material; The number of the spliced door panels (3) is multiple and they are spliced together to form an integral door panel for sealing the add-on door frame (1); the main body (31) of each spliced door panel (3) is fixed to the step surface (12) via a threaded connector (4); the edging (32) of each spliced door panel (3) is crimped to the corresponding inner frame surface (11) and the corresponding edging (32) of adjacent spliced door panels (3).
2. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The add-on door frame (1) is made of PVC profile.
3. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The waterproof and heat-insulating material is a polystyrene foam colored steel sandwich panel.
4. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The air-sealing material is PVC material.
5. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The cross section of the edge wrapping (32) is U-shaped.
6. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The main body (31) is in the shape of a rectangle; the door panel as a whole is formed by sequentially splicing a plurality of spliced door panels (3) along the width direction of the spliced door panels (3).
7. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: A front door is installed on the front side of the main door frame (2).
8. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The threaded connection member (4) is a bolt or a screw; corresponding through holes are distributed on the main body (31); and corresponding threaded holes are distributed on the step surface (12).
9. The retrofitted airtight and waterproof insulation door according to claim 8, characterized in that: The main body (31) is in the shape of a rectangle, and the through holes are respectively provided at the four corners of the main body (31).
10. The retrofitted airtight and waterproof insulation door according to claim 1, characterized in that: The main door frame (2) is the door frame of the grain storage bin door.