Heat insulation door device
By using the design of internal threaded connecting shaft and pluggable hinge in the thermal insulation device, the problem that existing thermal insulation devices cannot be customized is solved, and flexible size customization and good sealing performance are achieved, which significantly saves costs.
Patent Information
- Application Number
- CN202421774232.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-25
AI Technical Summary
The existing thermal insulation cannot customize the corresponding size according to actual needs, and the customization cost is high.
A thermal insulation door device is designed, using connecting shafts with internal threads at both ends to fix the inner and outer door leaf frame and door leaf. Combining pluggable hinges and door lock tightening blocks that simulate the movement trajectory of the lock tongue when closing the door, it achieves flexible size customization and good sealing performance.
It realizes the ability to make thermal insulation according to the specified size, with simple and firm assembly, good sealing effect, greatly saving costs.
Smart Images

Figure CN222797412U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an insulation door device. Background Art
[0002] Insulated doors are doors that meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. At present, insulated doors on the market usually use steel materials to make door frames, door leaf frames and door leaf panels, fill the door leaf with non-toxic and harmless thermal insulation materials, and are equipped with relevant hardware accessories to form doors with certain fire resistance. Insulated doors circulating on the market are basically standard sizes, and it is impossible to customize the corresponding size of insulated doors according to actual needs, otherwise the customization cost is high. Utility Model Content
[0003] The utility model aims to overcome the shortcomings of the prior art and provide an insulating door device.
[0004] The purpose of the utility model is achieved through the following technical solutions:
[0005] The heat-insulating door device is characterized in that it includes a door frame and a door leaf assembly hinged therewith, the door leaf assembly includes an outer door leaf frame, a door leaf and an inner door leaf frame connected together, a through hole is opened on the frame portion on the other side of the door leaf assembly away from the hinged side, the triangular lock is installed in the door leaf hole from the outer door leaf frame side, the door lock positioning cylinder is installed in the door leaf hole from the inner door leaf frame side, the door lock nut is connected to the triangular lock through a thread from the inner door leaf frame side, the lock tongue is installed on the triangular lock through a screw, correspondingly, a door lock clamping block is installed on the door frame, a sealing ring is embedded in the edge of the door frame that cooperates with the door leaf assembly, a bearing is installed at each end of the lock tongue, one bearing is used to contact with the door lock nut to ensure smooth door lock switching, and the other bearing is used to contact with the door lock clamping block when closing the door, and the sealing ring can be gradually compressed when closing the door to ensure the sealing performance and clamping force of the door.
[0006] Furthermore, in the above-mentioned heat-insulating door device, both ends of the connecting shaft have internal threaded holes, the length of the connecting shaft is equal to the thickness of the door leaf, the connecting shaft is embedded in the hole of the door leaf, the door leaf is installed in the inner door leaf frame, a screw passes through the inner door leaf frame and is screwed into the threaded hole at one end of the connecting shaft to fix the inner door leaf frame to the door leaf, and another screw passes through the outer door leaf frame and is screwed into the threaded hole at the other end of the connecting shaft to fix the outer door leaf frame to the door leaf.
[0007] Furthermore, in the above-mentioned heat-insulating door device, a working surface simulating the movement trajectory of the lock tongue when closing the door is processed on the door lock tightening block.
[0008] Furthermore, in the above-mentioned heat insulation door device, the door leaf assembly is hinged to the door frame through hinges.
[0009] Furthermore, in the above-mentioned heat insulation door device, the hinge is a pluggable hinge.
[0010] Furthermore, in the above-mentioned heat insulation door device, the door leaf is a sandwich panel structure, the surface layer is a steel plate, and the interior is filled with polyurethane.
[0011] Compared with the prior art, the present invention has significant advantages and beneficial effects, which are specifically embodied in the following aspects:
[0012] ① The utility model uses a connecting shaft with internal threads at both ends to connect the inner and outer door leaf frames and the door leaves. The assembly is simple and firm, and it is suitable for various non-standard insulation doors, which greatly saves costs;
[0013] ②The door lock mechanism is simple and practical, and has good sealing and tightening effect. The door lock tightening block is processed with a working surface that simulates the movement trajectory of the lock tongue when closing the door. When closing the door, it can gradually compress the sealing ring to ensure the sealing performance and tightening force of the door. It is suitable for doors of various thicknesses, and there is no need to customize the door lock for the thickness of the door. It is economical and affordable;
[0014] ③ The utility model has a novel design of the heat insulation door device, can be manufactured according to the specified size, has simple manufacturing and assembly, has good sealing effect, and greatly saves costs.
[0015] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the specific implementation of the utility model. The purpose and other advantages of the utility model can be achieved and obtained by the structures specifically pointed out in the written description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.
[0017] Figure 1 : A schematic diagram of the front structure of the utility model heat insulation door device;
[0018] Figure 2 : Schematic diagram of the exploded structure of the utility model heat insulation door device;
[0019] Figure 3 : Schematic diagram of the connection between the connecting shaft and the inner door leaf frame and the outer door leaf frame;
[0020] Figure 4 : A schematic diagram of the back structure of the utility model heat insulation door device;
[0021] Figure 5 : Figure 1 BB cross-sectional view;
[0022] Figure 6 : Figure 5 A partial enlarged schematic diagram of
[0023] Figure 7 : Schematic diagram of the cooperation between the lock tongue and the door lock tightening block;
[0024] Figure 8 : Schematic diagram of the structure of the door lock clamping block. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, rather than all the embodiments. The components of the embodiment of the utility model generally described and shown in the drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiment of the utility model. Based on the embodiment of the utility model, all other embodiments obtained by those skilled in the art without making creative work belong to the scope of protection of the utility model.
[0026] It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. At the same time, in the description of the utility model, directional terms and order terms are only used to distinguish the description and cannot be understood as indicating or implying relative importance.
[0027] like Figures 1 to 8 As shown, the heat insulation door device comprises a door frame 1 and a door leaf assembly 3 hinged thereto, the door leaf assembly 3 comprises an outer door leaf frame 4, a door leaf 7 and an inner door leaf frame 9 connected together, the door leaf 7 is a sandwich panel structure, the surface layer is a steel plate, and the interior is filled with polyurethane, both ends of the connecting shaft 8 have internal threaded holes, the length of the connecting shaft 8 is equal to the thickness of the door leaf 7, the connecting shaft 8 is embedded in the hole of the door leaf 7, the door leaf 7 is installed in the inner door leaf frame 9, a screw passes through the inner door leaf frame 9 and is screwed into the threaded hole at one end of the connecting shaft 8 to fix the inner door leaf frame 9 to the door leaf 7, and another screw passes through the outer door leaf frame 4 and is screwed into the threaded hole at the other end of the connecting shaft 8 to fix the outer door leaf frame 4 to the door leaf 7;
[0028] A through hole is provided on the frame portion of the other side of the door leaf assembly 3 away from the hinged side, and the hole passes through the outer door leaf frame 4, the door leaf 7, and the inner door leaf frame 9. The triangular lock 13 is installed in the hole of the door leaf 7 from the outer door leaf frame 4 side, and the door lock positioning cylinder 10 is installed in the hole of the door leaf 7 from the inner door leaf frame 9 side. The door lock nut 11 is connected to the triangular lock 13 through a thread from the inner door leaf frame 9 side, and the lock tongue 12 is installed on the triangular lock 13 by a screw. Correspondingly, a door lock pressing block 14 is installed on the door frame 1, and the door frame 1 is connected to the door leaf assembly A sealing ring 15 is embedded in the edge of the matching part 3, and the sealing ring 15 adopts a flame-retardant sealing gasket. A bearing 16 is installed at both ends of the lock tongue 12. One bearing is used to contact the door lock nut 11 to ensure smooth door lock switching, and the other bearing is used to contact the door lock clamping block 14 when closing the door. The door lock clamping block 14 is processed with a working surface that simulates the movement trajectory of the lock tongue 12 when closing the door. The triangular lock 13 drives the lock tongue 12 to rotate, and the sealing ring 15 can be gradually compressed when closing the door to ensure the sealing performance and clamping force of the door.
[0029] The door leaf assembly 3 is hinged to the door frame 1 through a hinge 2. The hinge 2 is a pluggable hinge for easy installation and disassembly.
[0030] The inner and outer door leaf frames and door leaves are connected by a connecting shaft with internal threads at both ends. The assembly is simple and firm, suitable for various non-standard insulation doors, and greatly saves costs.
[0031] The door lock mechanism is simple and practical, and has good sealing and tightening effect. The door lock tightening block is processed with a working surface that simulates the movement trajectory of the lock tongue when closing the door. When closing the door, it can gradually tighten the sealing ring to ensure the sealing performance and tightening force of the door. It is suitable for doors of various thicknesses. There is no need to specially customize the door lock for the thickness of the door. It is economical and affordable.
[0032] The utility model has a novel design of the heat insulation door device, can be manufactured according to a specified size, has simple manufacturing and assembly, has a good sealing effect, and greatly saves costs.
[0033] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. For those skilled in the art, the utility model may have various modifications and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model. It should be noted that similar numbers and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.
[0034] The above is only a specific implementation of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention.
[0035] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.
Claims
1. Insulated door device, characterized in that: The invention comprises a door frame (1) and a door leaf assembly (3) hinged thereto, wherein the door leaf assembly (3) comprises an outer door leaf frame (4), a door leaf (7) and an inner door leaf frame (9) connected together, a through hole is provided on the frame portion of the door leaf assembly (3) on the other side away from the hinged side, a triangular lock (13) is installed in the hole of the door leaf (7) from the side of the outer door leaf frame (4), a door lock positioning cylinder (10) is installed in the hole of the door leaf (7) from the side of the inner door leaf frame (9), and a door lock nut (11) is installed in the hole of the door leaf (7) from the side of the inner door leaf frame (9). The door frame (9) is connected to the triangular lock (13) by a thread, and the lock tongue (12) is installed on the triangular lock (13) by a screw. Correspondingly, a door lock pressing block (14) is installed on the door frame (1). A sealing ring (15) is embedded in the edge of the door frame (1) that matches the door leaf assembly (3). A bearing is installed at each end of the lock tongue (12), one bearing is used to contact the door lock nut (11), and the other bearing is used to contact the door lock pressing block (14) when the door is closed.
2. The heat insulation door device according to claim 1, characterized in that: Both ends of the connecting shaft (8) have internal threaded holes. The length of the connecting shaft (8) is equal to the thickness of the door leaf (7). The connecting shaft (8) is embedded in the hole of the door leaf (7). The door leaf (7) is installed in the inner door leaf frame (9). A screw passes through the inner door leaf frame (9) and is screwed into the threaded hole at one end of the connecting shaft (8) to fix the inner door leaf frame (9) and the door leaf (7). Another screw passes through the outer door leaf frame (4) and is screwed into the threaded hole at the other end of the connecting shaft (8) to fix the outer door leaf frame (4) and the door leaf (7).
3. The heat insulation door device according to claim 1, characterized in that: The door lock pressing block (14) is processed with a working surface simulating the movement track of the lock tongue (12) when the door is closed.
4. The heat insulation door device according to claim 1, characterized in that: The door leaf assembly (3) is hinged to the door frame (1) via a hinge (2).
5. The heat insulation door device according to claim 4, characterized in that: The hinge (2) is a pluggable hinge.
6. The heat insulation door device according to claim 1, characterized in that: The door leaf (7) is a sandwich panel structure, the surface layer is a steel plate, and the interior is filled with polyurethane.