Rapid installation type modularized fireproof door frame structure

Abstract

The utility model relates to the technical field of fireproof doors, and particularly discloses a rapid installation type modularized fireproof door frame structure which comprises a door frame groove pre-formed in a wall body and a door frame body embedded in the door frame groove. The door frame body is formed by splicing two horizontal door frames which are horizontally and symmetrically arranged and two longitudinal door frames which are vertically and symmetrically arranged; first splicing grooves are formed in the two ends of the transverse door frame, and second splicing grooves matched with the first splicing grooves are correspondingly formed in the two ends of the longitudinal door frame; a mounting groove is formed in the inner wall of the door frame groove, a clamping seat is arranged in the mounting groove through a spring rod, the clamping seat is located outside the mounting groove, and a clamping groove matched with the clamping seat is formed in the splicing part of the transverse door frame; a plurality of clamping assemblies are arranged on the mounting surface of the longitudinal door frame at intervals; through the modular splicing design and the cooperation of the clamping assemblies and the adjustable locking devices, the installation efficiency and the fireproof performance are remarkably improved, and the dual requirements for rapid construction and fire safety of modern buildings are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to fireproof door technical field, specifically disclose a quick installation type modular fireproof door frame structure. BACKGROUND

[0002] In the field of building fire safety, the installation efficiency and structural stability of the fireproof door frame are key technical points. The traditional fireproof door frame adopts a monolithic structure, which needs to be measured, cut and fixed to the door hole through bolts or welding on site during installation, which is complicated and requires high construction precision. This leads to the following problems: there is a lack of reliable guide and limiting structure when splicing the components of the door frame, which easily leads to installation deviation, affecting the closing accuracy of the subsequent fireproof door. The gap between the door frame and the door hole is narrow, making it difficult for workers to adjust the position. Especially in embedded installation, it needs to be repeatedly pried or knocked, which is time-consuming and labor-intensive. The splicing part and the joint between the door frame and the wall are prone to form weak points in fire prevention, which may cause flame or smoke leakage under high temperature. The adjustment and fixing efficiency is low: the traditional lock device structure is complex, which needs to be calibrated several times to complete the fixing, and it is difficult to adapt to the installation needs of different wall flatness.

[0003] To solve the above problems, the utility model provides a quick installation type modular fireproof door frame structure, which significantly improves the installation efficiency and fireproof performance through the cooperation of modular splicing design, clamping assembly and adjustable lock device, and meets the dual needs of modern building rapid construction and fire safety. CONTENT OF THE UTILITY MODEL

[0004] The utility model provides a quick installation type modular fireproof door frame structure, which realizes the rapid installation, accurate positioning and stable fixing of the fireproof door frame through the cooperation of modular splicing structure, clamping assembly and adjustable lock device, and improves the overall fireproof performance through the sealing of the sealing groove, fireproof strip and intumescent fire-retardant core material design.

[0005] The utility model is realized in this way, a quick installation type modular fireproof door frame structure, including the door frame groove preestablished on the wall and the door frame body embedded in the door frame groove, the door frame body is spliced by two horizontal symmetrical setting cross door frames and two vertical symmetrical setting vertical door frames, first splicing groove is set up at the both ends of cross door frame, the second splicing groove that is adapted to first splicing groove is correspondingly set up at the both ends of vertical door frame, the inner wall of door frame groove is opened and has installation groove, spring rod is arranged in the installation groove and is provided with the clamping seat, and the clamping seat is located outside the installation groove, the splicing part of cross door frame is provided with the clamping groove that cooperates with the clamping seat, the installation surface of vertical door frame is equipped with a plurality of clamping assemblies at intervals, the clamping assembly contains the clamping rod with the ball end, the side wall of door frame groove is provided with the hidden groove that cooperates with the clamping rod, and the adjustable lock device is arranged above the hidden groove.

[0006] As a kind of quick installation type modular fire door frame structure of the utility model, the first splicing groove is internally provided with a sealing groove, the second splicing groove is provided with a sealing block complementary to the sealing groove, and the splicing surface is provided with a fireproof sealing rubber layer.

[0007] As a kind of quick installation type modular fire door frame structure of the utility model, two guide rods are arranged in the first splicing groove, the two guide rods are located on the two sides of the sealing groove, a guide hole is formed in the second splicing groove and corresponds to the guide rod, and the matching length of the guide rod and the guide hole is not less than 2 / 3 of the depth of the splicing groove.

[0008] As a kind of quick installation type modular fire door frame structure of the utility model, the adjustable lock device comprises a base fixed to the wall, a sliding rail with a through slot is arranged on the top of the base, a T-shaped sliding block, a connecting lug and a fixing lug are arranged on the base, the lower end of the T-shaped sliding block penetrates through the through slot to form an operating part, the T-shaped sliding block is slidably arranged in the sliding rail and its lower end penetrates through the through slot to form the operating part, a groove is arranged in the front of the base and communicates with the sliding rail, the connecting lug is fixedly connected with the T-shaped sliding block through the groove, the fixing lug is symmetrically arranged on the two sides of the base, and the lower end of the T-shaped sliding block is provided with a bidirectional wedge surface.

[0009] As a kind of quick installation type modular fire door frame structure of the utility model, a screw rod with a limiting block at one end is inserted into the connecting lug and the fixing lug, and a nut is arranged at one end of the screw rod.

[0010] As a kind of quick installation type modular fire door frame structure of the utility model, an L-shaped fireproof strip is arranged on the inner side of the vertical door frame, and the vertical edge of the fireproof strip extends to the joint between the door frame groove and the wall.

[0011] As a kind of quick installation type modular fire door frame structure of the utility model, the materials of the horizontal door frame and the vertical door frame are fireproof steel materials, and the horizontal door frame and the vertical door frame are internally provided with a honeycomb-shaped fireproof core material, and the pores of the fireproof core material are filled with an intumescent flame retardant.

[0012] The utility model has the advantages that:

[0013] 1. The horizontal door frame and the vertical door frame are quickly spliced through the first / second splicing groove, without the need for additional tools, which shortens the on-site assembly time, and the clamping rod, the hidden groove and the adjustable lock device cooperate to realize the quick positioning and fastening of the door frame and the wall, and avoid the difficulty in applying force caused by the small gap.

[0014] 2. The adjustable lock device (T-shaped sliding block, bidirectional wedge surface and screw rod) can adapt to different wall flatness, and the operating part can be quickly adjusted to ensure that the door frame and the wall are closely combined.

[0015] 3, the sealing groove and the sealing block are connected in a trapezoidal shape, the stability of the connection is strengthened, the fireproof sealing adhesive layer is combined, the pulling resistance and the fireproof sealing property of the splicing part are enhanced, the L-shaped fireproof strip covers the joint between the door frame and the wall body, the penetration path of the fire and the flue gas is blocked, the honeycomb-shaped fireproof core material is filled with the intumescent flame retardant, the porosity is blocked by swelling at high temperature, and the fireproof and heat insulation performance is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiment of the utility model or the technical scheme in the prior art, the drawings needed to be used in the specific embodiment or the prior art description will be briefly introduced below. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual proportion.

[0017] Figure 1 It is a whole structure schematic view of the utility model.

[0018] Figure 2 It is a top view structure schematic view of the horizontal door frame of the utility model.

[0019] Figure 3 It is a structure schematic view of the vertical door frame of the utility model.

[0020] Figure 4 It is Figure 1 It is an enlarged structure schematic view of position A in the middle.

[0021] Figure 5 It is Figure 1 It is an enlarged structure schematic view of position B in the middle.

[0022] Figure 6 It is a sectional view structure schematic view of the adjustable lock catch device of the utility model.

[0023] Figure 7 It is a top view structure schematic view of the adjustable lock catch device of the utility model.

[0024] Figure 8 It is a structure schematic view of the vertical door frame and the L-shaped fireproof strip of the utility model.

[0025] In the drawings, 1, horizontal door frame; 2, vertical door frame; 3, first splicing groove; 4, second splicing groove; 5, installation groove; 6, spring rod; 7, clamping seat; 8, clamping groove; 9, clamping rod; 10, hidden groove; 11, adjustable lock catch device; 12, sealing groove; 13, sealing block; 14, fireproof sealing adhesive layer; 15, guide rod; 16, guide hole; 17, base; 18, through groove; 19, sliding rail; 20, T-shaped sliding block; 21, connecting lug; 22, fixing lug; 23, recess; 24, screw rod; 25, nut; 26, L-shaped fireproof strip. DETAILED DESCRIPTION

[0026] The utility model is further illustrated below in combination with the drawings and specific embodiments to help understand the contents of the utility model. The method used in the utility model is conventional if no special provision; the raw materials and devices used are conventional commercial products if no special provision.

[0027] Please refer to Figures 1-8 A quick installation type modular fireproof door frame structure, including door frame slot preinstalled on wall body and door frame body embedded in door frame slot, door frame body is connected by two horizontal symmetrical cross door frames 1 and two vertical symmetrical longitudinal door frames 2, first splice groove 3 is set up at both ends of cross door frame 1, second splice groove 4 is set up at both ends of longitudinal door frame 2 correspondingly, the inner wall of door frame slot is provided with mounting groove 5, spring rod 6 is arranged in mounting groove 5, and the clamping seat 7 is located outside the mounting groove 5, and the splice part of cross door frame 1 is provided with clamping groove 8 matched with clamping seat 7, and the mounting surface of longitudinal door frame 2 is provided with a plurality of clamping assemblies, and the clamping assembly comprises clamping rod 9 with spherical end, the side wall of door frame slot is provided with hidden groove 10 matched with clamping rod 9, and adjustable lock catch device 11 is arranged above hidden groove 10.

[0028] In the embodiment: two cross door frames 1 are installed into door frame slot first, and the upper cross door frame 1 slides upward, the clamping seat 7 is compressed into the mounting groove 5 through the spring rod 6, when the clamping groove 8 is aligned with the mounting groove 5, the clamping seat 7 is not compressed, the cross door frame 1 is fixed into the door frame slot through the spring rod 6 clamped in the clamping groove 8, and the lower cross door frame 1 slides downward in the same way; the clamping seat 7 on the door frame slot is clamped in the clamping groove 8 on both sides of the cross door frame 1; the cross door frame 1 is connected with the longitudinal door frame 2 through the first splice groove 3 and the second splice groove 4, the sealing groove 12 and the sealing block 13 are sleeved, the guide rod 15 is inserted into the guide hole 16 to guide the splice direction, the precise positioning of each component is ensured, the splice surface is coated with the fireproof sealing glue layer 14 to form the initial sealing; the spliced door frame body is embedded into the preinstalled door frame slot, the clamping assembly (spherical clamping rod 9) of the longitudinal door frame 2 is clamped into the hidden groove 10 of the wall first to provide preliminary positioning; the T-shaped sliding block 20 is pushed to slide in the sliding rail 19 through the operation part of the adjustable lock catch device 11, the clamping rod 9 is extruded by the bidirectional wedge surface, so that the door frame is tightly attached to the wall; the screw rod 24 is screwed, the door frame position is further locked through the connecting lug 21 and the fixed lug 22, multi-dimensional fastening is realized; the honeycomb fireproof core material is filled with intumescent flame retardant, structural support is provided at room temperature, the intumescent flame retardant expands to fill the pores at high temperature, and heat conduction is prevented; the L-shaped fireproof strip 26 extends to the joint between the door frame and the wall, cooperates with the sealing glue layer at the splice part, and forms a three-dimensional fireproof barrier.

[0029] As a technical optimization scheme of the utility model, the first splicing groove 3 is internally provided with a sealing groove 12, the second splicing groove 4 is internally provided with a sealing block 13 complementary to the sealing groove 12, and the splicing surface is provided with a fireproof sealing rubber layer 14.

[0030] In the embodiment, the sealing groove 12 and the sealing block 13 are sleeved, the stability of the connection is strengthened, the fireproof sealing rubber layer 14 further blocks the flue gas path, the fireproof performance is improved, and the flue gas leakage is blocked.

[0031] As a technical optimization scheme of the utility model, the first splicing groove 3 is internally provided with two guide rods 15, the two guide rods 15 are located at the two sides of the sealing groove 12, the second splicing groove 4 is internally provided with a guide hole 16 corresponding to the guide rod 15, and the cooperation length of the guide rod 15 and the guide hole 16 is not less than 2 / 3 of the depth of the splicing groove.

[0032] In the embodiment, the cooperation of the guide rod 15 and the guide hole 16 ensures the accuracy and stability during splicing, avoids the installation difficulty or structural weakness caused by splicing deviation, and ensures the torsion resistance stability during the splicing process.

[0033] As a technical optimization scheme of the utility model, the adjustable lock device 11 comprises a base 17 fixed to the wall, a sliding rail 19 with a through groove 18, a T-shaped sliding block 20, a connecting lug 21 and a fixing lug 22 are arranged on the top of the base 17, the lower end of the T-shaped sliding block 20 penetrates through the through groove 18 to form an operation part, the T-shaped sliding block 20 is slidably arranged in the sliding rail 19, the lower end of the T-shaped sliding block 20 penetrates through the through groove 18 to form an operation part, a recess 23 communicating with the sliding rail 19 is arranged in front of the base 17, the connecting lug 21 is fixedly connected with the T-shaped sliding block 20 through the recess 23, and the fixing lug 22 is symmetrically arranged on the two sides of the base 17.

[0034] In the embodiment, the T-shaped sliding block 20, the sliding rail 19 and the bidirectional wedge surface are designed, when the vertical door frame 2 is installed, the clamping rod 9 on the vertical door frame 2 pushes the T-shaped sliding block 20 upwards through the wedge surface at the bottom of the T-shaped sliding block 20, so that the clamping rod 9 is clamped in the hidden groove 10, the T-shaped sliding block 20 loses resistance and automatically moves downwards by gravity, the lower end of the T-shaped sliding block 20 blocks the clamping rod 9 in the hidden groove 10, so that the clamping rod 9 cannot be moved out of the hidden groove 10, and the stability of the installation of the vertical door frame 2 is ensured, the quick adjustment and fastening of the door frame and the wall are realized, the force application problem caused by the small gap is solved, and different wall working conditions are adapted.

[0035] As a technical optimization scheme of the utility model, a screw rod 24 with a limiting block at one end is inserted into the connecting lug 21 and the fixing lug 22, and a nut 25 is arranged at one end of the screw rod 24.

[0036] In the embodiment, the secondary locking structure of the locking device is supplemented, the fixing reliability is enhanced by cooperation of the screw rod 24, the limiting block and the nut 25, and the door frame is prevented from loosening in long-term use.

[0037] As a technical optimization scheme of the utility model, the inner side of the vertical door frame 2 is provided with an L-shaped fireproof strip 26, and the vertical edge of the fireproof strip extends to the joint between the door frame groove and the wall body.

[0038] In the embodiment, the L-shaped fireproof strip covers the joint between the door frame and the wall body, fills the possible fireproof gap, enhances the overall fireproof integrity, and forms a physical fireproof barrier.

[0039] As a technical optimization scheme of the utility model, the material of the horizontal door frame 1 and the vertical door frame 2 is fireproof steel, and the horizontal door frame 1 and the vertical door frame 2 are internally provided with a honeycomb fireproof core material, and the pores of the fireproof core material are filled with intumescent flame retardant.

[0040] In the embodiment, the combination of the fireproof steel, the honeycomb core material and the intumescent flame retardant improves the fireproof stability and heat insulation from the material level, meets the core performance requirements of the fireproof door, and realizes active (expansion when heated) and passive (structural barrier) double fireproofing.

[0041] The working principle and use process of the utility model are as follows:

[0042] Two horizontal door frames 1 are first installed into the door frame grooves, and the upper horizontal door frame 1 is slid upward, the clamping seat 7 is compressed into the installation groove 5 through the spring rod 6, when the clamping groove 8 is aligned with the installation groove 5, the clamping seat 7 is not compressed, the spring rod 6 is clamped in the clamping groove 8, the horizontal door frame 1 is fixed into the door frame groove, and the lower horizontal door frame 1 is slid downward in the same way; the clamping seat 7 on the door frame groove is clamped in the clamping groove 8 on the two sides of the horizontal door frame 1; the horizontal door frame 1 and the vertical door frame 2 are butted through the first splicing groove 3 and the second splicing groove 4, the sealing groove 12 and the sealing block 13 are sleeved in a trapezoidal shape, the guide rod 15 is inserted into the guide hole 16 to guide the splicing direction, the precise positioning of each component is ensured, the splicing surface is coated with a fireproof sealing glue layer 14 to form an initial seal; the spliced door frame body is embedded into the preset door frame groove, the clamping assembly (the spherical clamping rod 9) of the vertical door frame 2 is first clamped into the hidden groove 10 of the wall body to provide preliminary positioning; the T-shaped sliding block 20 is slid in the sliding rail 19 by the operation of the adjustable locking device 11, the clamping rod 9 is extruded by the bidirectional wedge surface, the door frame is tightly attached to the wall body; the screw rod 24 is screwed, the connection ear 21 and the fixed ear 22 are further locked to fix the position of the door frame, multi-dimensional fastening is realized; the honeycomb fireproof core material is filled with intumescent flame retardant, structural support is provided at room temperature, the flame retardant expands to fill the pores at high temperature, and heat conduction is prevented; the L-shaped fireproof strip 26 extends to the joint between the door frame and the wall body, cooperates with the sealing glue layer at the splicing position, and forms a three-dimensional fireproof barrier.

[0043] In the description of the utility model, need understanding is, the term "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "intermediate" and so on indicate the orientation or position relation is based on the orientation or position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and is not indicating or implying that the indicated device or element must have a specific orientation, a specific orientation structure and operation, therefore it cannot be understood as a limitation on the utility model.

[0044] The above-mentioned is only a specific embodiment of the utility model, and cannot limit the range of the utility model, so the replacement of equivalent components or equivalent changes and modifications made in the protection range of the utility model patent should still belong to the scope covered by the claims of the utility model.

Claims

1. A quick installation type modular fireproof door frame structure, comprising a door frame slot pre-set on a wall and a door frame body embedded in the door frame slot; characterized in that: The door frame body is composed of two horizontally symmetrically arranged horizontal door frames (1) and two vertically symmetrically arranged vertical door frames (2); the horizontal door frame (1) is provided with a first splicing groove (3) at both ends, and the vertical door frame (2) is provided with a second splicing groove (4) corresponding to the first splicing groove (3) at both ends; the inner wall of the door frame groove is provided with a mounting groove (5), the mounting groove (5) is provided with a clamping seat (7) through a spring rod (6), and the clamping seat (7) is located outside the mounting groove (5); the splicing part of the horizontal door frame (1) is provided with a clamping groove (8) matched with the clamping seat (7); the mounting surface of the vertical door frame (2) is provided with a plurality of clamping assemblies at intervals, the clamping assembly comprises a clamping rod (9) with a spherical end, the corresponding side wall of the door frame groove is provided with a hidden groove (10) matched with the clamping rod (9), and an adjustable lock device (11) is arranged above the hidden groove (10).

2. A quick installation type modular fire protection door frame structure according to claim 1, characterized in that: The first splicing groove (3) is provided with a sealing groove (12), the second splicing groove (4) is provided with a sealing block (13) complementary to the sealing groove (12), and the splicing surface is provided with a fireproof sealing rubber layer (14).

3. A quick installation type modular fire protection door frame structure according to claim 2, characterized in that: The first splicing groove (3) is provided with two guide rods (15), and the two guide rods (15) are located on both sides of the sealing groove (12); the second splicing groove (4) is provided with a guide hole (16) corresponding to the guide rod (15); the matching length of the guide rod (15) and the guide hole (16) is not less than 2 / 3 of the depth of the splicing groove.

4. The quick installation type modular fire protection door frame structure according to claim 1, characterized in that: The adjustable lock device (11) comprises a base (17) fixed to the wall, a sliding rail (19) with a through groove (18) provided on the top of the base (17), a T-shaped sliding block (20), a connecting lug (21), and a fixed lug (22); the lower end of the T-shaped sliding block (20) penetrates the through groove (18) to form an operating part, and the T-shaped sliding block (20) is slidingly arranged in the sliding rail (19), and the lower end thereof penetrates the through groove (18) to form an operating part; the front of the base (17) is provided with a groove (23) communicating with the sliding rail (19), and the connecting lug (21) is fixedly connected with the T-shaped sliding block (20) through the groove (23); the fixed lug (22) is symmetrically arranged on both sides of the base (17), and the lower end of the T-shaped sliding block (20) is provided with a bidirectional wedge surface.

5. A quick installation type modular fire protection door frame structure according to claim 4, characterized in that: A screw rod (24) with a limiting block at one end is inserted into the connecting lug (21) and the fixed lug (22), and a nut (25) is arranged at one end of the screw rod (24).

6. A quick installation type modular fire protection door frame structure according to claim 1, characterized in that: The inner side of the vertical door frame (2) is provided with an L-shaped fireproof strip (26), and the vertical edge of the fireproof strip extends to the joint between the door frame groove and the wall.

7. The quick installation type modular fire protection door frame structure according to claim 1, characterized in that: The materials of the horizontal door frame (1) and the vertical door frame (2) are fireproof steel, and the horizontal door frame (1) and the vertical door frame (2) are internally provided with a honeycomb fireproof core material, and the pores of the fireproof core material are filled with an intumescent flame retardant.

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