Automatic door closing type flame-retardant wooden fireproof door
By introducing ventilation and purification devices and temporary fixing devices into the fire doors, the ventilation and prying problems of existing fire doors are solved, improving their practicality and safety, and achieving better air treatment and fire protection effects.
Patent Information
- Application Number
- CN202323400388.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2033-12-13
AI Technical Summary
Existing high flame retardant wooden fire doors cannot be ventilated when needed and cannot effectively prevent prying, resulting in insufficient practicality and safety.
An automatic closed door-type flame-retardant wooden fire-proof door is designed, equipped with ventilation devices and purification devices to achieve air ventilation and filtration purification, and the door's anti-plitting safety is enhanced by temporary fixing devices. The ventilation device includes a ventilation frame, a lifting plate, a flame retardant plate and a knob. The purification device includes a filter box and activated carbon. The temporary fixing device adopts a plug and screw structure.
It improves the practicality and safety of fire-proof doors, can ventilation and air purification when needed, prevents thieves from prying the doors into the doors, and enhances the fire-proof and thermal insulation performance of the doors.
Smart Images
Figure CN222207671U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of fireproof doors, and in particular relates to an automatic closing type flame retardant wooden fireproof door. Background Art
[0002] Fire doors refer to doors that, together with their frames, can meet the requirements of fire resistance stability, integrity and thermal insulation within a certain period of time. They are movable fire separation facilities with a certain degree of fire resistance, installed between fire compartments, evacuation stairwells, vertical shafts, etc.
[0003] Chinese patent application No. 202223478420.X discloses a highly flame-retardant wooden fireproof door, comprising a door frame and a door panel, the door panel is hinged to the outer surface of the door frame by a hinge, a handle is installed on the outer surface of the door panel, the door panel comprises a first door panel and a second door panel, the first door panel and the second door panel are provided with a first flame-retardant steel plate and a second flame-retardant steel plate on the relative outer surfaces, the first door panel and the second door panel are provided with a plurality of filling grooves on the inner surfaces, and the filling grooves are filled with heat-absorbing and heat-insulating composite powder. The highly flame-retardant wooden fireproof door improves the flame-retardant ability by providing the first flame-retardant steel plate and the second flame-retardant steel plate, and performs temperature isolation protection by filling the heat-absorbing and heat-insulating composite powder, which solves the problem that the existing wooden fireproof door is easily ignited under continuous high-temperature baking, thereby causing the spread of the fire and having a certain degree of danger.
[0004] 1. The above-mentioned public patent has the problem of not being able to ventilate when needed, which makes it difficult to meet the work needs in different situations, thereby reducing the practicality of the fire door; 2. The above-mentioned public patent has the problem of not being able to prevent the fire door from being pried open when a thief appears, thereby reducing the safety of the fire door. Utility Model Content
[0005] In order to solve the problems raised in the above background technology, the utility model provides an automatic closing type flame retardant wooden fireproof door, which has the characteristics of high practicality and strong safety.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an automatic closing type flame-retardant wooden fireproof door, comprising a door frame, a flame-retardant wooden door panel assembly is arranged on the inner side of the door frame, the door frame and the flame-retardant wooden door panel assembly are connected by two hinges, a door closer is installed on the top of the door frame, a handle is installed on one side of the flame-retardant wooden door panel assembly, a ventilation device is installed at the upper position of the flame-retardant wooden door panel assembly, a purification device is installed on one side of the ventilation device, and a temporary fixing device is installed on one side of the flame-retardant wooden door panel assembly and below the handle.
[0007] Preferably, the ventilation device includes a ventilation frame, a lifting plate, a flame retardant plate, a screw and a first knob. The ventilation frame is installed at the upper position of the flame retardant wooden door panel assembly, the inner side of the ventilation frame is installed with a screw through a bearing, the lower side of the screw is installed with a first knob, the outer side of the screw and located at the inner side of the ventilation frame is installed with a lifting plate through a thread, and the flame retardant plate is installed on one side of the lifting plate and located at one side of the ventilation frame.
[0008] Preferably, the purification device includes a filter box, a buckle and a fixing plate, a fixing plate is installed on the side of the ventilation frame away from the flame retardant plate, a filter box is arranged below the fixing plate, and the fixing plate and the filter box are connected by a buckle.
[0009] Preferably, the purification device further comprises activated carbon, and the inner side of the filter box is filled with activated carbon.
[0010] Preferably, the temporary fixing device includes a fixing block, an insert block, a connecting box, a second knob, a screw and a movable plate; a connecting box is installed on one side of the flame retardant wooden door panel assembly and below the handle, a fixing block is installed on one side of the door frame and below the connecting box, a screw is installed on the top of the connecting box through a thread, a second knob is installed above the screw, a movable plate is installed below the screw and at a position inside the connecting box through a bearing, and a plurality of insert blocks are installed below the movable plate.
[0011] Preferably, the shape and size of the inner cross section of the connection box are the same as the shape and size of the outer cross section of the movable plate.
[0012] Compared with the prior art, the beneficial effects of the utility model are:
[0013] 1. The utility model provides ventilation devices and purification devices so that the fire door can be ventilated through the ventilation frame when needed, and the fire door can filter and purify the air passing through the ventilation frame through the filter box and activated carbon when needed, so as to better meet the working needs in different situations and thus improve the practicality of the fire door.
[0014] 2. The utility model provides a temporary fixing device, so that the user can fix the relative position between the door frame and the flame-retardant wooden door panel assembly inside the door through the cooperation of structures such as plugs and screws, thereby preventing thieves and others outside the door from prying the door open, thereby improving the safety of the fire door. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a three-dimensional diagram of the utility model;
[0016] Figure 2 It is a schematic diagram of the structure of the utility model;
[0017] Figure 3It is a schematic diagram of the structure of the ventilation device and purification device of the utility model;
[0018] Figure 4 It is a structural schematic diagram of the temporary fixing device of the utility model.
[0019] In the figure: 1. door frame; 2. ventilation device; 21. ventilation frame; 22. lifting plate; 23. flame retardant plate; 24. screw rod; 25. first knob; 3. flame retardant wooden door panel assembly; 4. temporary fixing device; 41. fixing block; 42. plug-in block; 43. connecting box; 44. second knob; 45. screw rod; 46. moving plate; 5. handle; 6. purification device; 61. filter box; 62. activated carbon; 63. buckle; 64. fixing plate; 7. door closer; 8. hinge. DETAILED DESCRIPTION
[0020] 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. Example 1
[0021] See also Figure 1-4 The utility model provides the following technical solutions: an automatic closing flame-retardant wooden fireproof door, comprising a door frame 1, a flame-retardant wooden door panel assembly 3 is arranged on the inner side of the door frame 1, the door frame 1 and the flame-retardant wooden door panel assembly 3 are connected by two hinges 8, a door closer 7 is installed on the top of the door frame 1, a handle 5 is installed on one side of the flame-retardant wooden door panel assembly 3, a ventilation device 2 is installed at the upper position of the flame-retardant wooden door panel assembly 3, a purification device 6 is installed on one side of the ventilation device 2, and a temporary fixing device 4 is installed on one side of the flame-retardant wooden door panel assembly 3 and below the handle 5.
[0022] Specifically, the ventilation device 2 includes a ventilation frame 21, a lifting plate 22, a flame retardant plate 23, a screw rod 24 and a first knob 25. The ventilation frame 21 is installed at the upper position of the flame retardant wooden door panel assembly 3, the screw rod 24 is installed on the inner side of the ventilation frame 21 through a bearing, the first knob 25 is installed below the screw rod 24, the lifting plate 22 is installed on the outer side of the screw rod 24 and located on the inner side of the ventilation frame 21 through a thread, and the flame retardant plate 23 is installed on one side of the lifting plate 22 and located on one side of the ventilation frame 21.
[0023] By adopting the above technical solution, the fire door can be ventilated through the ventilation frame 21 when needed, and the user can prevent ventilation through the cooperation of structures such as the flame retardant plate 23 when necessary, thereby better meeting the work needs in different situations.
[0024] Specifically, the purification device 6 includes a filter box 61, a buckle 63 and a fixing plate 64. The fixing plate 64 is installed on the side of the ventilation frame 21 away from the flame retardant plate 23. The filter box 61 is arranged below the fixing plate 64. The fixing plate 64 and the filter box 61 are connected by the buckle 63.
[0025] By adopting the above technical solution, the fire door can filter the air passing through the ventilation frame 21 through the filter box 61 when necessary, thereby preventing external impurities from entering the room and better meeting the needs of users.
[0026] Specifically, the purification device 6 further includes activated carbon 62 , and the inner side of the filter box 61 is filled with activated carbon 62 .
[0027] By adopting the above technical solution, the fire door can purify the air passing through the ventilation frame 21 through the activated carbon 62 when necessary, thereby reducing the possibility of users feeling uncomfortable and better meeting the needs of users.
[0028] When the present embodiment is used, when the fire door is needed, the door frame 1 is installed at the required position, and then the handle 5 is pulled to drive the flame retardant wooden door panel assembly 3 to be opened and closed, so as to use it. The hinge 8 plays the role of rotational connection. The spring end of the door closer 7 on the door frame 1 is fixedly connected to the flame retardant wooden door panel assembly 3. By setting the door closer 7, the flame retardant wooden door panel assembly 3 can be automatically closed. When ventilation is needed, the user rotates the first knob 25 in the ventilation device 2, thereby driving the screw rod 24 to rotate. The screw rod 24 is threadedly connected to the lifting plate 22, and the lifting plate 22 and the ventilation frame 21 are tightly attached to each other, so the screw rod 24 drives the lifting plate 22 and the flame retardant plate 23 thereon to descend, so that the ventilation frame 21 is no longer closed, and then ventilation can be carried out through the ventilation frame 21. When necessary, the user can connect the filter box 61 with the fixed plate 64 through the buckle 63 in the purification device 6, and then the air passing through the ventilation frame 21 is filtered and purified by the filter box 61 and the activated carbon 62 therein, so as to better meet the needs of the user. Example 2
[0029] The difference between this embodiment and embodiment 1 is that the temporary fixing device 4 includes a fixing block 41, an insert block 42, a connecting box 43, a second knob 44, a screw 45 and a movable plate 46; a connecting box 43 is installed on one side of the flame retardant wooden door panel assembly 3 and below the handle 5; a fixing block 41 is installed on one side of the door frame 1 and below the connecting box 43; a screw 45 is installed on the top of the connecting box 43 through a thread; a second knob 44 is installed above the screw 45; a movable plate 46 is installed below the screw 45 and at a position inside the connecting box 43 through a bearing; and a plurality of insert blocks 42 are installed below the movable plate 46.
[0030] By adopting the above technical solution, the user can fix the relative position between the door frame 1 and the flame-retardant wooden door panel assembly 3 inside the door through the cooperation of structures such as the insert block 42 and the screw rod 45, thereby preventing thieves and others outside the door from prying the door open.
[0031] Specifically, the shape and size of the inner cross section of the connection box 43 are the same as the shape and size of the outer cross section of the moving plate 46 .
[0032] By adopting the above technical solution, it is ensured that the inner side of the connection box 43 and the outer side of the moving plate 46 can be closely attached to each other, thereby preventing the moving plate 46 from rotating and deviating during the movement process, and ensuring the normal operation.
[0033] When this embodiment is used, when a thief steals, the user can close the flame retardant wooden door panel assembly 3, and turn the second knob 44 in the temporary fixing device 4 inside the door, thereby driving the screw 45 to rotate. The screw 45 is threadedly connected to the connecting box 43, and the screw 45 is bearing-connected to the movable plate 46. The outer side of the movable plate 46 and the inner side of the connecting box 43 are tightly attached to each other, so the screw 45 drives the movable plate 46 to descend, and then drives each plug block 42 to insert into the fixed block 41, thereby limiting the relative position between the door frame 1 and the flame retardant wooden door panel assembly 3, thereby preventing thieves outside the door from prying the door open.
[0034] The structure and principle of the door frame 1, the flame-retardant wooden door panel assembly 3 composed of the second door panel, the first flame-retardant steel plate, the second flame-retardant steel plate, the sound insulation board, the filling groove, the heat-absorbing and heat-insulating composite powder, the fire-retardant sealing strip and the first door panel, the handle 5, the door closer 7, and the hinge 8 in the utility model have been disclosed in a highly flame-retardant wooden fireproof door disclosed in Chinese patent application No. 202223478420.X. The working principle is that when in use, the door frame is installed, and the door panel is installed on the door frame through the hinge, the door panel is opened by the handle, and the first flame-retardant steel plate and the second flame-retardant steel plate are opened. The flame retardant steel plates are used on both sides of the door panels to prevent the other side of the first door panel or the second door panel from being ignited, and the heat-absorbing and heat-insulating composite powder is used to further make the panels flame retardant, and temperature-insulating protection can be provided, thereby improving the flame retardancy, and the sound insulation effect is improved by filling the sound insulation panels with sound insulation cotton; when the door panels are closed, the fireproof sealing strip is in contact with the door frame to increase the sealing between the door panels and the door frame to prevent smoke from spreading and flames from penetrating through the gaps; a door closer is fixedly installed on the top outer surface of the door frame, and the spring end of the door closer is fixedly connected to the door panel. By setting the door closer, the door panel can be automatically closed.
[0035] The working principle and use process of the utility model are as follows: when the fire door needs to be used, the door frame 1 is installed at the required position, and then the handle 5 is pulled to drive the flame retardant wooden door panel assembly 3 to be opened and closed, so that it can be used. The hinge 8 plays the role of rotational connection. The spring end of the door closer 7 on the door frame 1 is fixedly connected to the flame retardant wooden door panel assembly 3. By setting the door closer 7, the flame retardant wooden door panel assembly 3 can be automatically closed. When ventilation is needed, the user turns the first knob 25 in the ventilation device 2, thereby driving the screw rod 24 to rotate. The screw rod 24 is threadedly connected to the lifting plate 22, and the lifting plate 22 and the ventilation frame 21 are tightly attached to each other, so the screw rod 24 drives the lifting plate 22 and the flame retardant plate 23 thereon to descend, so that the ventilation frame 21 is no longer closed, and then ventilation can be carried out through the ventilation frame 21. When needed The user can connect the filter box 61 with the fixing plate 64 through the buckle 63 in the purification device 6, and then filter and purify the air passing through the ventilation frame 21 through the filter box 61 and the activated carbon 62 therein, so as to better meet the needs of the user; when a thief steals, the user can close the flame-retardant wooden door panel assembly 3, and turn the second knob 44 in the temporary fixing device 4 inside the door, thereby driving the screw 45 to rotate, the screw 45 is threadedly connected to the connecting box 43, the screw 45 is bearing-connected to the movable plate 46, and the outer side of the movable plate 46 is tightly attached to the inner side of the connecting box 43, so the screw 45 drives the movable plate 46 to descend, and then drives each plug block 42 to insert into the fixed block 41, limiting the relative position between the door frame 1 and the flame-retardant wooden door panel assembly 3, thereby preventing thieves outside the door from prying the door open.
[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. An automatic closing type flame retardant wooden fireproof door, comprising a door frame, Features: A flame retardant wooden door panel assembly is arranged on the inner side of the door frame, the door frame and the flame retardant wooden door panel assembly are connected by two hinges, a door closer is installed on the top of the door frame, a handle is installed on one side of the flame retardant wooden door panel assembly, a ventilation device is installed at the upper position of the flame retardant wooden door panel assembly, a purification device is installed on one side of the ventilation device, and a temporary fixing device is installed on one side of the flame retardant wooden door panel assembly and below the handle.
2. The automatic closing type flame retardant wooden fireproof door according to claim 1, Features: The ventilation device includes a ventilation frame, a lifting plate, a flame retardant plate, a screw and a first knob. The ventilation frame is installed at the upper position of the flame retardant wooden door panel assembly, the inner side of the ventilation frame is installed with a screw through a bearing, the lower side of the screw is installed with a first knob, the outer side of the screw and located at the inner side of the ventilation frame is installed with a lifting plate through a thread, and a flame retardant plate is installed on one side of the lifting plate and located at one side of the ventilation frame.
3. The automatic closing type flame retardant wooden fireproof door according to claim 2, Features: The purification device includes a filter box, a buckle and a fixing plate. The fixing plate is installed on the side of the ventilation frame away from the flame retardant plate. The filter box is arranged below the fixing plate. The fixing plate and the filter box are connected by the buckle.
4. The automatic closing type flame retardant wooden fireproof door according to claim 3, Features: The purification device also includes activated carbon, and the inner side of the filter box is filled with activated carbon.
5. The automatic closing type flame retardant wooden fireproof door according to claim 1, Features: The temporary fixing device includes a fixing block, an insert block, a connecting box, a second knob, a screw and a movable plate. A connecting box is installed on one side of the flame-retardant wooden door panel assembly and below the handle, a fixing block is installed on one side of the door frame and below the connecting box, a screw is installed on the top of the connecting box through a thread, a second knob is installed above the screw, a movable plate is installed below the screw and inside the connecting box through a bearing, and a plurality of insert blocks are installed below the movable plate.
6. The automatic closing type flame retardant wooden fireproof door according to claim 5, Features: The shape and size of the inner cross section of the connection box are the same as the shape and size of the outer cross section of the moving plate.