Convenient assembly type fire exit door

Through the design of splicing components and combined components, the problem of inability to adjust the size and shape during fire door installation is solved, and convenient prefabricated installation and independent replacement of components is achieved, reducing maintenance costs.

CN223215160UActive Publication Date: 2025-08-12INNER MONGOLIA XINGTAI CONSTRAL GRP CO LTD
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Patent Information

Application Number
CN202422502958.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-16
Publication Date
2025-08-12
Estimated Expiration
2034-10-16

AI Technical Summary

Technical Problem

The existing fire doors cannot be adjusted according to the on-site size and appearance when installed, and the damaged and aging parts cannot be replaced independently, which increases maintenance costs.

Method used

Splicing components and combination components are adopted, including internal empty support plates, short-combined support plates, special-shaped engaging frames, engaging operating frames, limit operating frames and fixing bolts. Through the connection of fixing grooves, plug blocks and bolts, the adjustable engaging and combination of the board is achieved, supporting on-site size and appearance adjustment, and allowing components to be replaced independently.

Benefits of technology

The prefabricated installation of fire doors is realized, which can be adjusted according to the on-site size and appearance, reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a convenient assembly type fire exit door, which is characterized in that one ends of two hollow support plates are clamped with short-closed support plates, the top ends and the bottom ends of the hollow support plates and one ends of the short-closed support plates are provided with insertion fixing grooves, and a special-shaped clamping frame is inserted and connected between the two hollow support plates; the special-shaped clamping frame and the inner hollow supporting plate, the clamping operation frame and the inner hollow supporting plate and the short-closing supporting plate, and the limiting operation frame and the short-closing supporting plate are connected in a clamping mode through fixing bolts, and fixed connection and limiting combination are carried out through inserting special-shaped blocks, inserting special-shaped grooves and the fixing bolts, so that stable clamping connection is achieved; the number of the plates and the distance between the plates can be adjusted according to the actual size, so that the size and the appearance of the fire exit door can be conveniently adjusted according to the field size and the field appearance, assembly type installation is achieved, independent replacement treatment of components can be achieved through mutual clamping and separation, and the follow-up maintenance cost is reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of fire protection, in particular to a convenient assembled fire protection door. Background Art

[0002] Fire doors are doors that meet fire resistance, stability, integrity, and thermal insulation requirements for a specific period of time. They are fireproof partitions with a certain degree of fire resistance, installed in fire compartments, evacuation stairwells, vertical shafts, and other areas. They are specifically used to isolate fire sources in buildings and play a vital role in firefighting. In the event of a fire, people can escape through fire doors.

[0003] However, when fire doors are currently installed, the door panels are fixed and the size cannot be adjusted at the installation site. In addition, the shape of the door cannot be adjusted according to the actual environment during installation. In addition, when the fire door is damaged or aged, the damaged or aged parts cannot be replaced independently, which increases the maintenance cost. Utility Model Content

[0004] The present invention provides a convenient assembled fire door, which can effectively solve the problems raised in the above background technology that when the fire door is currently installed, the door panel is fixed and the size cannot be adjusted at the installation site. The shape of the door cannot be adjusted according to the actual environment during installation. At the same time, when the fire door is damaged or aged, the damaged or aged part cannot be replaced independently, which increases the maintenance cost.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a convenient assembled fire door, comprising an inner hollow support plate, characterized in that: a splicing assembly is provided at a side end of the inner hollow support plate, and the splicing assembly comprises a short support plate;

[0006] One end of each of the two inner hollow support plates is clamped with a short support plate, and the top and bottom ends of the inner hollow support plate and one end of the short support plate are provided with plug-in fixing grooves, and the top and bottom ends of the inner hollow support plate and one end of the short support plate are welded with inner hole plug-in blocks at the positions of the plug-in fixing grooves corresponding to the top and bottom ends of the inner hollow support plate and one end of the short support plate, and a special-shaped clamping frame is inserted and connected between the two inner hollow support plates;

[0007] One end of the inner hollow support plate and the short support plate is sleeved with a clamping operation frame, one end of the short support plate is sleeved with a limit operation frame, and the special-shaped clamping frame and the inner hollow support plate, the clamping operation frame and the inner hollow support plate and the short support plate, and the limit operation frame and the short support plate are all clamped and connected by fixing bolts;

[0008] One of the engaging operation frames, one limiting operation frame, and one end of multiple special-shaped engaging frames are all provided with inserting special-shaped blocks, and one of the engaging operation frames, one limiting operation frame, and multiple special-shaped engaging frames are provided with inserting special-shaped grooves at positions close to the inserting special-shaped blocks;

[0009] Heat insulation support pads are bonded to both the inner and outer sides of the hollow support plate. A flame retardant support pad is bonded to one end of the heat insulation support pad. Hard protective strips are fixed to the outer ends of the heat insulation support pad and the flame retardant support pad. A rigid support plate is fixed to one end of the heat insulation support pad.

[0010] Preferably, the inserting fixing groove is sleeved and combined with the inner hole inserting block, and the length and width of the inserting fixing groove are respectively equal to the length and width of the inner hole inserting block.

[0011] Preferably, the longitudinal section of the hollow support plate is Z-shaped, and the two hollow support plates are engaged with each other.

[0012] Preferably, the side end of the heat insulation support pad is adhesively connected to the side ends of the special-shaped engaging frame, the engaging operation frame, and the limiting operation frame, and the multiple hard protective strips are engaged and connected to each other. [[ID=十四]]

[0013] Preferably, a combination component is provided at the side end of the rigid support plate, and the combination component includes a U-shaped engaging strip;

[0014] Both sides of one end of the rigid support plate are hinged with U-shaped engaging strips. A number of support combination blocks are sleeved between the two U-shaped engaging strips at equal intervals. Fixing threaded holes are provided at the bottom ends of the U-shaped engaging strip and the support combination block located at the top end position of the rigid support plate. An access fixing groove is provided at one end of the U-shaped engaging strip and the support combination block located at the bottom end position of the rigid support plate. A engaging threaded groove is provided at the top end of the access fixing groove, and a engaging bolt is rotatably connected to the side end of the engaging threaded groove.

[0015] Preferably, the engaging bolt is placed inside the access fixing groove, and the engaging bolt is threadedly connected to the fixing threaded hole.

[0016] Compared with the prior art, the beneficial effects of the present utility model are as follows: The structure of the present utility model is scientific and reasonable, and it is safe and convenient to use:

[0017] 1. A splicing component is provided. The inner hole insertion block is inserted and sleeved inside the insertion fixing groove to achieve the clamping between multiple inner hole support plates and the clamping between the short joint support plate and the inner hole support plate. The special-shaped clamping frame, the clamping operation frame and the limit operation frame are used to clamp and connect the short joint support plate and the inner hole support plate, and the insertion special-shaped block, the insertion special-shaped groove and the fixing bolt are used for fixed connection and limit combination to achieve stable clamping connection. Moreover, the number of plates and the spacing between multiple plates can be adjusted according to the actual size, so as to facilitate the adjustment of the size and shape of the fire door according to the on-site size and on-site shape, realize the assembled installation, and can utilize the mutual clamping and separation to realize the independent replacement of components, reducing the subsequent maintenance cost.

[0018] 2. A combination component is provided. The support combination block is placed opposite to the side end of the U-shaped clamping strip, and the fixed threaded hole is aligned with the inlet and outlet fixing groove. The clamping bolt enters the inside of the fixed threaded hole along the clamping thread groove and the inlet and outlet fixing groove. The green card, the thread groove, the fixed threaded hole and the clamping bolt are used to clamp and connect multiple groups of support combination blocks and the U-shaped clamping strip to achieve the outer frame combination. Moreover, by increasing or decreasing the support combination blocks, the size of the outer frame is changed, so that the adjustment operation can be carried out according to the actual situation during the installation of the fire door, facilitating the assembly correction on site. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the drawings:

[0021] Figure 1 is the three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 is the structural schematic diagram of the splicing component of the present invention;

[0023] Figure 3 is the installation structural schematic diagram of the insertion special-shaped block of the present invention;

[0024] Figure 4 is the structural schematic diagram of the combination component of the present invention;

[0025] Reference numerals in the drawings: 1. Inner hole support plate;

[0026] 2. Splicing component; 201. Short combination support plate; 202. Insertion fixing groove; 203. Inner hole insertion block; 204. Special-shaped clamping frame; 205. Clamping operation frame; 206. Limit operation frame; 207. Insertion special-shaped block; 208. Insertion special-shaped groove; 209. Heat insulation support pad; 210. Flame retardant support pad; 211. Hard protection strip; 212. Rigid support plate; 213. Fixing bolt

[0027] 3. Combination component; 301. C-shaped clamping strip; 302. Support combination block; 303. Fixed threaded hole; 304. Inlet and outlet fixing groove; 305. Clamping threaded groove; 306. Clamping bolt Specific implementation mode

[0028] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustration and explanation of the present invention, and are not intended to limit the present invention

[0029] Embodiment: As Figure 1-4 shown, the present invention provides a technical solution, a convenient prefabricated fire door, including an inner hollow support plate 1. A splicing component 2 is provided at the side end of the inner hollow support plate 1. The splicing component 2 includes a short combination support plate 201, an insertion fixing groove 202, an inner hole insertion block 203, a special-shaped clamping frame 204, a clamping operation frame 205, a limit operation frame 206, an insertion special-shaped block 207, an insertion special-shaped groove 208, a heat insulation support pad 209, a flame retardant support pad 210, a hard protection strip 211, a rigid support plate 212 and a fixing bolt 213

[0030] Two ends of two hollow support plates 1 are respectively clamped with short combined support plates 201. Insertion and fixing grooves 202 are provided at the top and bottom ends of the hollow support plates 1 and one end of the short combined support plates 201. Inner hole insertion blocks 203 are welded at the positions corresponding to the insertion and fixing grooves 202 at the top and bottom ends of the hollow support plates 1 and one end of the short combined support plates 201. The insertion and fixing grooves 202 and the inner hole insertion blocks 203 are sleeved and combined. The length and width of the insertion and fixing grooves 202 are respectively equal to the length and width of the inner hole insertion blocks 203. The longitudinal section of the hollow support plates 1 is Z-shaped. The two hollow support plates 1 are clamped with each other, so that when multiple hollow support plates 1 and short combined support plates 201 are clamped and fixed with each other, stable operation can be carried out, ensuring the stability of overall limit and overall connection and the accuracy of connection alignment. An irregular clamping frame 204 is inserted and connected between the two hollow support plates 1. A clamping operation frame 205 is sleeved at one end of the hollow support plates 1 and the short combined support plates 201. A limit operation frame 206 is sleeved at one end of the short combined support plates 201. The irregular clamping frame 204 and the hollow support plates 1, the clamping operation frame 205 and the hollow support plates 1 and the short combined support plates 201, and the limit operation frame 206 and the short combined support plates 201 are all clamped and connected by fixing bolts 213. Insertion irregular blocks 207 are provided at one end of one clamping operation frame 205, one limit operation frame 206 and multiple irregular clamping frames 204. Insertion irregular grooves 208 are provided at the positions close to the insertion irregular blocks 207 of one clamping operation frame 205, one limit operation frame 206 and multiple irregular clamping frames 204. Heat insulation support pads 209 are bonded to the inner and outer sides of the hollow support plates 1. The side ends of the heat insulation support pads 209 are bonded and connected to the side ends of the irregular clamping frame 204, the clamping operation frame 205 and the limit operation frame 206, so that stable operation can be carried out during bonding alignment and fire and heat insulation. A flame retardant support pad 210 is bonded to one end of the heat insulation support pad 209. Rigid protection strips 211 are fixed to the outer sides of the heat insulation support pad 209 and the flame retardant support pad 210. The multiple rigid protection strips 211 are clamped and connected with each other, ensuring convenient rigid protection and avoiding the occurrence of concave damage. A rigid support plate 212 is fixed to one end of the heat insulation support pad 2,

[0031] A combined component 3 is arranged at the side end of the rigid support plate 212. The combined component 3 includes a U-shaped clamping strip 301, a support combined block 302, a fixed threaded hole 303, an access and fixing groove 304, a clamping threaded groove 305 and a clamping bolt 306;

[0032] Both sides of one end of the rigid support plate 212 are hinged with U-shaped clamping strips 301. A number of support combination blocks 302 are sleeved between the two U-shaped clamping strips 301 at equal intervals. Fixing threaded holes 303 are provided at the bottom ends of the U-shaped clamping strip 301 and the support combination block 302 located at the top end position of the rigid support plate 212. An access fixing groove 304 is provided at one end of the U-shaped clamping strip 301 and the support combination block 302 located at the bottom end position of the rigid support plate 212. A clamping threaded groove 305 is provided at the top end of the access fixing groove 304. A clamping bolt 306 is rotatably connected to the side end of the clamping threaded groove 305. The clamping bolt 306 is placed inside the access fixing groove 304. The clamping bolt 306 is threadedly connected to the fixing threaded hole 303, so that when fixing and clamping multiple U-shaped clamping strips 301 and support combination blocks 302, stable operation can be carried out to ensure the stability of the combination operation.

[0033] The working principle and usage process of the present utility model: When a fire door needs to be installed, the staff rotates the required amount of materials according to the actual size, fixes the U-shaped clamping strip 301 to the side end of the installation position, places the support combination block 302 in position at the bottom end of the U-shaped clamping strip 301, aligns the fixing threaded hole 303 with the access fixing groove 304, and uses a tool to turn the clamping bolt 306. The clamping bolt 306 enters the inside of the fixing threaded hole 303 along the clamping threaded groove 305 and the access fixing groove 304, thereby clamping and connecting the support combination block 302 with the U-shaped clamping strip 301. Repeat the above operation to connect multiple support combination blocks 302 to each other to achieve the installation and fixation of the door frame;

[0034] Align the two inner hollow support plates 1 with each other, insert the inner hole insertion block 203 into and sleeve it inside the insertion fixing groove 202, so as to achieve the clamping and limiting of multiple inner hollow support plates 1. After the clamping is completed, use the insertion fixing groove 202 and the inner hole insertion block 203 to perform clamping restriction between the short combining support plate 201 and the inner hollow support plate 1 to achieve combined connection. After the combination is completed, sleeve the special-shaped clamping frame 204 onto the side ends of the two inner hollow support plates 1, sleeve the clamping operation frame 205 between the short combining support plate 201 and the inner hollow support plate 1, and sleeve the limiting operation frame 206 onto the side end of the short combining support plate 201. When the special-shaped clamping frame 204, the clamping operation frame 205 and the limiting operation frame 206 are clamped, insert the insertion special-shaped block 207 into the inner side of the insertion special-shaped groove 208 to achieve sleeve connection. After the sleeve positioning is completed, use the fixing bolt 213 to clamp the inner hollow support plate 1 and the short combining support plate 201 with the special-shaped clamping frame 204, the clamping operation frame 205 and the limiting operation frame 206 in one-to-one correspondence. After the fixing is completed, bond the heat insulation support pad 209 to the side ends of the inner hollow support plate 1, the short combining support plate 201, the special-shaped clamping frame 204, the clamping operation frame 205 and the limiting operation frame 206, bond the flame retardant support pad 210 to the side end of the heat insulation support pad 209, and bond the rigid protection strip 211 to the side ends of the special-shaped clamping frame 204, the clamping operation frame 205, the limiting operation frame 206, the heat insulation support pad 209 and the flame retardant support pad 210 to achieve external protection combination. Then, combine and clamp the rigid support plate 212 with the rigid protection strip 211 and the flame retardant support pad 210 to complete the assembly of the door. After the assembly is completed, use the hinge to combine with the U-shaped clamping strip 301 and the support combination block 302.

[0035] Finally, it should be noted that the above are only preferred examples of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A convenient assembled fire door, comprising an inner hollow support plate (1), characterized in that: A splicing component (2) is provided at the side end of the hollow support plate (1), and the splicing component (2) includes a short combined support plate (201); One end of each of two of the hollow support plates (1) is clamped with a short combined support plate (201). Insertion and fixing grooves (202) are provided at the top and bottom ends of the hollow support plate (1) and one end of the short combined support plate (201). Inner hole insertion blocks (203) are welded at the positions corresponding to the insertion and fixing grooves (202) at the top and bottom ends of the hollow support plate (1) and one end of the short combined support plate (201). A special-shaped clamping frame (204) is inserted and connected between the two hollow support plates (1); A clamping operation frame (205) is sleeved at one end of the hollow support plate (1) and the short combined support plate (201). A limiting operation frame (206) is sleeved at one end of the short combined support plate (201). The special-shaped clamping frame (204) and the hollow support plate (1), the clamping operation frame (205) and the hollow support plate (1) and the short combined support plate (201), and the limiting operation frame (206) and the short combined support plate (201) are all clamped and connected by fixing bolts (213); Insertion special-shaped blocks (207) are provided at one end of one of the clamping operation frames (205), one limiting operation frame (206), and multiple special-shaped clamping frames (204). Insertion special-shaped grooves (208) are provided at the positions close to the insertion special-shaped blocks (207) of one of the clamping operation frames (205), one limiting operation frame (206), and multiple special-shaped clamping frames (204); Heat insulation support pads (209) are bonded to both the inner and outer sides of the hollow support plate (1). A flame retardant support pad (210) is bonded to one end of the heat insulation support pad (209). Hard protective strips (211) are fixed to the outer sides of the heat insulation support pad (209) and the flame retardant support pad (210). A rigid support plate (212) is fixed to one end of the heat insulation support pad (209).

2. A convenient assembled fire door according to claim 1, characterized in that: The insertion and fixing groove (202) is sleeved and combined with the inner hole insertion block (203), and the length and width of the insertion and fixing groove (202) are respectively equal to the length and width of the inner hole insertion block (203).

3. A convenient assembled fire door according to claim 1, characterized in that: The longitudinal section of the hollow support plate (1) is Z-shaped, and the two hollow support plates (1) are clamped with each other.

4. A convenient assembled fire door according to claim 1, characterized in that: The side end of the heat insulation support pad (209) is adhesively connected to the side ends of the special-shaped clamping frame (204), the clamping operation frame (205), and the limiting operation frame (2 5. A convenient assembled fire door according to claim 1, characterized in that: ​ On both sides of one end of the rigid support plate (212), U-shaped clamping strips (301) are hinged. A number of support combination blocks (302) are sleeved between the two U-shaped clamping strips (301) at equal intervals. Fixing threaded holes (303) are provided at the bottom ends of the U-shaped clamping strips (301) and the support combination blocks (302) located at the top position of the rigid support plate (212). Access fixing grooves (304) are provided at one ends of the U-shaped clamping strips (301) and the support combination blocks (302) located at the bottom position of the rigid support plate (212). A clamping threaded groove (305) is provided at the top end of the access fixing groove (304). A clamping bolt (306) is rotatably connected to the side end of the clamping threaded groove (305).

6. A convenient assembled fire door according to claim 5, characterized in that: The clamping bolt (306) is placed inside the access fixing groove (304), and the clamping bolt (306) is threadedly connected to the fixing threaded hole (303).