Fireproof door convenient to install
By designing a fire door structure that is easy to install, combined with positioning and rotating mechanism, the existing fire doors are solved in complex installation, poor thermal insulation and sealing, and the effect of rapid installation and efficient thermal insulation and sealing is achieved.
Patent Information
- Application Number
- CN202421377695.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-17
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-06-17
AI Technical Summary
The existing fire doors are complex in operation during installation, with poor thermal insulation and sealing properties, making it difficult to meet the requirements of fire resistance, sealing and heat insulation.
A fire-proof door that is easy to install is designed, and a structure of fixed door frame, fixed connection frame and movable door frame is adopted. Combined with the first positioning mechanism and the first rotating mechanism, the installation process is simplified, and the sealing and thermal insulation are improved through the indentation plate and the fire-proof sealing strip.
It realizes the rapid and simple installation of fire doors, improves the sealing and heat insulation, and ensures the safety and effectiveness of fire doors.
Smart Images

Figure CN222823135U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of fireproof doors, in particular to a fireproof door which is easy to install. Background Art
[0002] A fire door refers to a door that can meet the requirements of fire resistance, airtightness and thermal insulation within a certain period of time. When a fire occurs, in addition to isolating the fire, the fire door often also needs to isolate smoke and temperature to protect the safety of the people. Fire doors in the prior art are mostly single fire doors with poor thermal insulation and poor airtightness due to the presence of gaps. On the other hand, fire doors in the prior art are complicated to operate during the installation process; it often requires multiple people to complete the installation. Therefore, there is an urgent need for an easy-to-install fire door to solve the current problem. Utility Model Content
[0003] To solve the above problems, the utility model proposes a fire door that is easy to install, which effectively solves the problems of complex installation operation, poor thermal insulation and poor airtightness of fire doors in the prior art; it not only facilitates the installation of fire doors, but also ensures the safety of fire doors.
[0004] To achieve the above-mentioned purpose, the utility model proposes the following technical solutions: a fireproof door that is easy to install, comprising a fixed door frame, a pair of fixed connecting frames are fixedly connected to the fixed door frame, and the fixed connecting frames are symmetrically arranged on the fixed door frame; a movable door frame is detachably connected between the fixed connecting frames, and the movable door frame can be slidably connected between the fixed connecting frames; the movable door frame is provided with sliding grooves that match the fixed connecting frames on the upper and lower parts; a first positioning mechanism that matches the fixed connecting frame is provided in the movable door frame; fireproof door panels are provided on both sides of the fixed connecting frame, and the fireproof door panels are rotatably connected to the movable door frames, and a pair of first rotating mechanisms that match the movable door frames are provided in the fireproof door panels; the first rotating mechanisms are symmetrically arranged in the fireproof door panels.
[0005] Furthermore: the first positioning mechanism includes a first rotating worm rotatably connected in the movable door frame, a first rotating worm wheel rotatably connected in the movable door frame and meshing with the first rotating worm, first rotating screws are coaxially fixed on both sides of the first rotating worm wheel, a pair of first movable clamping columns are slidably connected in the movable door frame, and the first movable clamping columns are respectively screwed to the corresponding first rotating screws.
[0006] Furthermore: the fixed connection frame is provided with a positioning groove matched with the first movable clamping column.
[0007] Furthermore: the first rotating mechanism includes a return spring and a movable baffle arranged in the fireproof door panel, one end of the return spring is fixedly connected to the fireproof door panel, and the other end of the return spring is fixedly connected to the movable baffle; the other end of the movable baffle is rotatably connected to a first functional rod, an auxiliary fixing rod is fixedly connected to the first functional rod, and a U-shaped groove matching the auxiliary fixing rod is arranged on the fireproof door panel.
[0008] Furthermore: a rotating groove matching with the first functional rod is arranged on the movable door frame.
[0009] Furthermore: the inner sides of the fixed door frame and the movable door frame are both provided with recessed plates matched with the fireproof door panels, and the fireproof door panels are both matched with the fixed connection frame and the recessed plates.
[0010] Furthermore: fireproof sealing strips are provided on the recessed plate and the fixed connection frame.
[0011] Furthermore: card slots are arranged on the outer sides of the fixed door frame and the movable door frame.
[0012] Compared with the prior art, the gain effect of the utility model is:
[0013] The utility model has an ingenious conception and comprehensive functions. The provision of the first positioning mechanism and the first rotating mechanism facilitates the installation of the utility model; the provision of the recessed plate and the fireproof sealing strip effectively realizes the sealing of the utility model; the provision of the fireproof door panels on both sides of the fixed connecting frame effectively realizes the heat insulation function; it effectively solves the problems of complex installation operation, poor heat insulation and poor airtightness of fireproof doors in the prior art; it not only facilitates the installation of the fireproof door, but also ensures the safety of the fireproof door. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a three-dimensional diagram of the utility model.
[0015] Figure 2 It is a partial stereogram of the utility model.
[0016] Figure 3 It is a rear perspective view of the present invention.
[0017] Figure 4 It is a partial cutaway view of the first positioning mechanism of the utility model.
[0018] Figure 5 It is a three-dimensional diagram of the first positioning mechanism of the utility model.
[0019] Figure 6 It is a partial cutaway view of the first rotating mechanism of the utility model.
[0020] Figure 7 This is a partial structural diagram of the utility model.
[0021] In the figure: 1. fixed door frame, 2. fireproof door panel, 3. movable door frame, 4. first movable clamping column, 5. first rotating screw, 6. first rotating worm gear, 7. first rotating worm, 8. return spring, 9. first functional rod, 10. auxiliary fixing rod, 11. movable baffle, 12. fixed connecting frame. DETAILED DESCRIPTION
[0022] A fireproof door which is easy to install comprises a fixed door frame 1, on which a pair of fixed connection frames 12 are fixedly connected, and the fixed connection frames 12 are symmetrically arranged on the fixed door frame 1; a movable door frame 3 is detachably connected between the fixed connection frames 12, and the movable door frame 3 can be slidably connected between the fixed connection frames 12; the movable door frame 3 is provided with sliding grooves matching with the fixed connection frames 12 on the upper and lower parts thereof; a first positioning mechanism matching with the fixed connection frame 12 is arranged in the movable door frame 3; fireproof door panels 2 are arranged on both sides of the fixed connection frame 12, and the fireproof door panels 2 are rotatably connected with the movable door frames 3, and a pair of first rotating mechanisms matching with the movable door frames 3 are arranged in the fireproof door panels 2; the first rotating mechanisms are symmetrically arranged in the fireproof door panels 2.
[0023] like Figure 1 , 2 As shown in Figure 3: when the staff installs the utility model, the staff can first slide the movable door frame 3 into the fixed connection frame 12, and then engage the fixed door frame 1 with one side wall, move the fixed connection frame 12 to be flush with the wall, and then slide the movable door frame 3 to engage with the other side wall, and then fix the movable door frame 3 and the fixed connection frame 12 through the first positioning mechanism, and finally connect the fire door panel 2 to the two sides of the movable door frame 3 respectively through the first rotating mechanism; thereby completing the fire door installation operation; effectively solving the problems of complex fire door installation operation, poor thermal insulation and poor airtightness in the prior art; not only facilitating the installation of the fire door, but also ensuring the safety of the fire door.
[0024] The first positioning mechanism includes a first rotating worm 7 rotatably connected in the movable door frame 3, a first rotating worm wheel 6 rotatably connected in the movable door frame 3 and meshing with the first rotating worm 7, first rotating screws 5 are coaxially fixed on both sides of the first rotating worm wheel 6, a pair of first movable clamping columns 4 are slidably connected in the movable door frame 3, and the first movable clamping columns 4 are respectively screwed on the corresponding first rotating screws 5; positioning grooves matching the first movable clamping columns 4 are provided on the fixed connection frame 12.
[0025] like Figure 4 and 5 As shown: when the staff rotates the first rotating worm 7, the rotation of the first rotating worm 7 can drive the first movable clamping column 4 to slide through the first rotating worm wheel 6 and the first rotating screw 5, and when the first movable clamping column 4 cooperates with the positioning groove, the installation of the door frame is completed.
[0026] The first rotating mechanism includes a return spring 8 and a movable baffle 11 arranged in the fireproof door panel 2, one end of the return spring 8 is fixedly connected to the fireproof door panel 2, and the other end of the return spring 8 is fixedly connected to the movable baffle 11; the other end of the movable baffle 11 is rotatably connected to the first functional rod 9, an auxiliary fixing rod 10 is fixedly connected to the first functional rod 9, and a U-shaped groove matching the auxiliary fixing rod 10 is arranged on the fireproof door panel 2; a rotating groove matching the first functional rod 9 is arranged on the movable door frame 3; recessed plates matching the fireproof door panel 2 are arranged on the inner sides of the fixed door frame 1 and the movable door frame 3, and the fireproof door panel 2 matches the fixed connecting frame 12 and the recessed plates; fireproof sealing strips are arranged on the recessed plates and the fixed connecting frame 12; card slots are arranged on the outer sides of the fixed door frame 1 and the movable door frame 3.
[0027] like Figure 6 and 7 As shown: when installing the fire door panel 2, the staff first slides the first functional rod 9 into the fire door panel 2 through the auxiliary fixing rod 10, and positions the auxiliary fixing rod 10 and the first functional rod 9 through the U-shaped groove; in this process, the movable baffle 11 slides and the reset spring 8 is compressed; when the fire door panel 2 is matched with the movable door frame 3, the first functional rod 9 is reset through the auxiliary fixing rod 10; under the action of the reset spring 8, the first functional rod 9 is matched with the rotating groove, and then the auxiliary fixing rod 10 is completely embedded in the U-shaped groove; the setting of the recessed plate and the fireproof sealing strip effectively realizes the sealing of the utility model; effectively solves the problems of complex installation operation, poor thermal insulation and poor airtightness of fire doors in the prior art; not only facilitates the installation of fire doors, but also ensures the safety of fire doors.
[0028] The working process of the utility model is:
[0029] like Figure 1 , 2, 4 and 6: when the staff installs the utility model, the staff can first slide the movable door frame 3 into the fixed connection frame 12, and then engage the fixed door frame 1 with one side wall, move the fixed connection frame 12 to be flush with the wall, and then slide the movable door frame 3 to engage with the other side wall, and then fix the movable door frame 3 to the fixed connection frame 12 through the first positioning mechanism. When the staff rotates the first rotating worm 7, the rotation of the first rotating worm 7 can drive the first movable clamping column 4 to slide through the first rotating worm wheel 6 and the first rotating screw 5. When the first movable clamping column 4 cooperates with the positioning groove, the installation of the door frame is completed; finally, the fireproof door panel 2 is respectively connected to the two sides of the movable door frame 3 through the first rotating mechanism; thereby completing the fireproof door installation operation; when installing the fireproof door panel 2, the staff first slides the first functional rod 9 to In the fireproof door panel 2, the auxiliary fixing rod 10 and the first functional rod 9 are positioned by the U-shaped groove; in this process, the movable baffle 11 slides and the reset spring 8 is compressed; when the fireproof door panel 2 is matched with the movable door frame 3, the first functional rod 9 is reset by the auxiliary fixing rod 10; under the action of the reset spring 8, the first functional rod 9 cooperates with the rotating groove, and then the auxiliary fixing rod 10 is completely embedded in the U-shaped groove; the setting of the recessed plate and the fireproof sealing strip effectively realizes the sealing of the utility model; effectively solves the problems of complex installation operation, poor thermal insulation and poor airtightness of fireproof doors in the prior art; not only facilitates the installation of fireproof doors, but also ensures the safety of fireproof doors; effectively solves the problems of complex installation operation, poor thermal insulation and poor airtightness of fireproof doors in the prior art; not only facilitates the installation of fireproof doors, but also ensures the safety of fireproof doors.
[0030] Finally, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.
[0031] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A fire door that is easy to install, characterized by: The invention comprises a fixed door frame (1), a pair of fixed connection frames (12) being fixedly connected to the fixed door frame (1), the fixed connection frames (12) being symmetrically arranged on the fixed door frame (1); a movable door frame (3) being detachably connected between the fixed connection frames (12), the movable door frame (3) being slidably connected between the fixed connection frames (12); a slide groove matching the fixed connection frames (12) being arranged on the upper and lower parts of the movable door frame (3); a first positioning mechanism matching the fixed connection frames (12) being arranged in the movable door frame (3); fireproof door panels (2) being arranged on both sides of the fixed connection frames (12), the fireproof door panels (2) being rotatably connected to the movable door frames (3), a pair of first rotating mechanisms matching the movable door frames (3) being arranged in the fireproof door panels (2); and the first rotating mechanisms being symmetrically arranged in the fireproof door panels (2).
2. The fireproof door that is easy to install according to claim 1, characterized in that: The first positioning mechanism comprises a first rotating worm (7) rotatably connected in the movable door frame (3), a first rotating worm wheel (6) rotatably connected in the movable door frame (3) and meshing with the first rotating worm (7), first rotating screws (5) coaxially fixedly connected on both sides of the first rotating worm wheel (6), and a pair of first movable clamping columns (4) slidably connected in the movable door frame (3), the first movable clamping columns (4) being respectively screwed to the corresponding first rotating screws (5).
3. The fireproof door that is easy to install according to claim 2, characterized in that: The fixed connection frame (12) is provided with a positioning groove that matches the first movable clamping column (4).
4. The fireproof door that is easy to install according to claim 1, characterized in that: The first rotating mechanism comprises a return spring (8) and a movable baffle (11) arranged in the fireproof door panel (2); one end of the return spring (8) is fixedly connected to the fireproof door panel (2), and the other end of the return spring (8) is fixedly connected to the movable baffle (11); the other end of the movable baffle (11) is rotatably connected to a first functional rod (9), an auxiliary fixing rod (10) is fixedly connected to the first functional rod (9), and a U-shaped groove matching the auxiliary fixing rod (10) is arranged on the fireproof door panel (2).
5. The fireproof door that is easy to install according to claim 4, characterized in that: The movable door frame (3) is provided with a rotation groove which matches the first functional rod (9).
6. The fireproof door that is easy to install according to claim 1, characterized in that: The fixed door frame (1) and the movable door frame (3) are both provided with recessed plates that match the fireproof door panels (2), and the fireproof door panels (2) match the fixed connection frame (12) and the recessed plates.
7. The fireproof door that is easy to install according to claim 1, characterized in that: Fireproof sealing strips are provided on the recessed plate and the fixed connection frame (12).
8. The fireproof door that is easy to install according to claim 1, characterized in that: The fixed door frame (1) and the movable door frame (3) are provided with card slots on their outer sides.