CN218669122U

CN218669122U - Fireproof door of easily splicing is with built-in square tube skeleton

Info

Publication number: CN218669122U
Application number: CN202223000726.4U
Authority: CN
Inventors: 张斌
Original assignee: Hunan Shenghao Fire Technology Co ltd
Current assignee: Hunan Shenghao Fire Technology Co ltd
Priority date: 2022-11-11
Filing date: 2022-11-11
Publication date: 2023-03-21
Anticipated expiration: 2032-11-11

Abstract

The utility model discloses an easily spliced built-in square tube framework for a fire door, which belongs to the technical field of built-in square tube frameworks of fire doors, and comprises a square tube framework main body, wherein the square tube framework main body is formed by combining at least two groups of combined frames, the combined frames are in a rectangular structure, the sizes of the combined frames are increased from inside to outside, at least two groups of equidistant mounting bolts are arranged on one circle of the surface of the combined frame, and at least two groups of equidistant welding pipes are welded on one circle of the inner side of the combined frame; adopt the isotructure concatenation of welding pipe, spring, inserted bar and jack between this application technical scheme's the built-up frame, consequently can promote the inserted bar to welding intraductal side when splicing the built-up frame, then with two sets of built-up frame cover together, then under no exogenic action, the spring resets and drives the inserted bar and outwards remove, then inside the inserted bar can insert the jack that corresponds, thereby realize the quick concatenation between the built-up frame, this kind of mode easily splices the combination to form square tube skeleton main part to the built-up frame.

Description

Fireproof door of easily splicing is with built-in square tube skeleton

Technical Field

The utility model relates to a prevent fire door and embed square tube skeleton technical field, more specifically say, relate to the fire door of easily splicing and use built-in square tube skeleton.

Background

For the fire door lower than some fire doors, two groups of fire-proof plates are generally formed, then a gap is reserved between the two groups of plates and is used for filling a heat-insulating material, in order to ensure the stability of connecting and installing the front group of plates and the rear group of plates, a square-tube framework needs to be arranged between the two groups of fire-proof plates, wherein the application number is ' 201521021881.1 ' discloses a ' composite framework for a fire door with heat insulation, which solves the problem that fire-retardant wood used by fire door products needs to be subjected to complicated production procedures such as fire retardation, drying, rough and fine machining and the like, so that the production period of the products is too long; in addition, after the wood is flame-retardant, a large amount of flame retardants permeate the wood, most of the flame retardants have strong acidity, so that the product is easy to absorb moisture and deform, hardware is easy to rust, and the like, so that various defects of the service life of the product are greatly shortened, and further retrieval finds that the 'double-framework structure of the fire door' disclosed by the application number '201020657042. X', is arranged by a specific technical structure, so that the technical defects that the fire behavior breaks through the inside of a door panel and the fire-proof function naturally disappears are really solved, meanwhile, as the solid wood A is completely combusted, the 'fragmentation' is formed, namely, the fire behavior can break and scatter immediately enter the door to continuously expand the combustion, and therefore, the escape chances and time are reduced, the damage to the life is obviously increased, and the like, but when the fire door with the similar structure is actually used, the built-in square tube framework of the fire door also has various defects, such as: fire prevention door is with built-in square barrel skeleton all adopts horizontal standpipe combination to form usually, and fire prevention door is with built-in square barrel skeleton after forming just fixed in addition, in follow-up in the use, is not convenient for carry out appropriate increase or reduce according to the condition to be unfavorable for the use, simultaneously, fire prevention door is with built-in square barrel skeleton all adopts horizontal standpipe welding or bolt fastening formation usually, leads to it to assemble to waste time and energy, difficult aggregate erection. In view of this, we propose an internal square tube framework for fire doors that is easy to splice.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a fire door that easily splices is with built-in square tube skeleton to solve the problem that proposes in the above-mentioned background art.

2. Technical scheme

The built-in square tube framework for the fireproof door easy to splice comprises a square tube framework main body, wherein the square tube framework main body is formed by combining at least two groups of combined frames, the combined frames are of rectangular structures, the sizes of the combined frames are increased from inside to outside, and at least two groups of mounting bolts with equal intervals are arranged on one circle of the surface of the combined frames;

the inboard a week welding of combination frame has two sets of welded pipes of at least equidistance, the inside of welding the pipe is equipped with the spring, and the one end of welding the pipe has inserted the inserted bar, combination frame outside a week is equipped with the jack that corresponds with the inserted bar.

As an alternative of the technical solution of the present application, the diameter of the insertion hole matches the diameter of the insertion rod, and the insertion rod penetrates through the corresponding insertion hole.

As an alternative scheme of this application technical scheme, the one end that the welded tube was equipped with the through-hole towards the inserted bar, and the diameter of through-hole matches with the diameter of inserted bar.

As an alternative of this application technical scheme, the inserted bar has the limiting plate towards the one end welding of welding the pipe, and the one end and the limiting plate welded fastening of spring, and the other end of spring and the inside one end welded fastening who is dorsad the inserted bar of welding pipe.

As an alternative scheme of this application technical scheme, the both sides of welding the pipe are equipped with the opening, and the both sides welding of limiting plate has the arm-tie.

As an alternative of this application technical scheme, the arm-tie includes connecting rod and rectangle frame, and the one end and the limiting plate welded fastening of connecting rod, and the connecting rod runs through open-ended one end welding and has the rectangle frame.

As an alternative scheme of this application technical scheme, the surface cover of rectangle frame has the rubber sleeve, and the surface of rubber sleeve is equipped with anti-skidding line.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

1. this application technical scheme is through adopting the combination frame combination to form, and the size of combination frame increases progressively in proper order moreover, adopts the swing joint mode between the combination frame moreover, consequently when using, personnel can be as required appropriate increase or reduce the quantity of combination frame, can adjust the size of square tube skeleton main part, and the personnel of being convenient for correspond according to fire door panel size and adjust convenient to use.

2. Adopt the isotructure concatenation of welding pipe, spring, inserted bar and jack between this application technical scheme's the built-up frame, consequently can promote the inserted bar to welding intraductal side when splicing the built-up frame, then with two sets of built-up frame cover together, then under no exogenic action, the spring resets and drives the inserted bar and outwards remove, then inside the inserted bar can insert the jack that corresponds, thereby realize the quick concatenation between the built-up frame, this kind of mode easily splices the combination to form square tube skeleton main part to the built-up frame.

Drawings

FIG. 1 is a front cross-sectional view of an internal square tube framework for a fire door easy to splice, disclosed in an embodiment of the present application;

FIG. 2 is a front view of an internal square tube framework for a fire door easy to splice disclosed in the embodiments of the present application;

fig. 3 is an enlarged structural diagram of a part a of the internal square tube framework for the fireproof door easy to splice, which is disclosed in the embodiment of the application;

fig. 4 is an enlarged structural diagram of a part B of the internal square-tube framework for a fire door easy to splice disclosed in the embodiment of the present application;

fig. 5 is the structural schematic diagram of limiting plate and arm-tie in built-in square tube skeleton for fire door that easily splices that this application embodiment disclosed.

The reference numbers in the figures illustrate: 1. a square tube framework main body; 2. a combination frame; 201. a jack; 202. installing a bolt; 3. welding the pipe; 301. a through hole; 302. an opening; 4. a spring; 5. inserting a rod; 501. a limiting plate; 6. pulling a plate; 601. a connecting rod; 602. a rectangular frame.

Detailed Description

The utility model provides a technical scheme:

as shown in fig. 1 and 2, the built-in square tube framework for the fire door easy to splice comprises a square tube framework main body 1, wherein the square tube framework main body 1 is formed by combining at least two groups of combination frames 2, the combination frames 2 are of rectangular structures, the sizes of the combination frames 2 are increased from inside to outside, and at least two groups of mounting bolts 202 with equal intervals are arranged on one circle of the surface of each combination frame 2;

in this embodiment, form square tube skeleton main part 1 through overlapping multiunit combination frame 2 in proper order together, consequently when square tube skeleton main part 1 uses, personnel can be as required appropriate increase or reduce the quantity of combination frame 2, can adjust the size of square tube skeleton main part 1, the personnel of being convenient for correspond the regulation according to the fire door panel size, and convenient to use, then will prevent two sets of panels of fire door and laminate respectively on square tube skeleton main part 1, screw in the mounting bolt 202 that combination frame 2 corresponds with the bolt on the fire door panel, thereby realize the connection installation of square tube skeleton main part 1 to preventing two sets of panels of fire door.

As shown in fig. 1, 2, 3, 4 and 5, at least two groups of welding pipes 3 are welded on the inner side of the assembly frame 2 at equal intervals, springs 4 are arranged inside the welding pipes 3, an insertion rod 5 is inserted into one end of the welding pipes 3, an insertion hole 201 corresponding to the insertion rod 5 is arranged on the outer side of the assembly frame 2 at equal intervals, the diameter of the insertion hole 201 is matched with that of the insertion rod 5, the insertion rod 5 penetrates through the corresponding insertion hole 201, when the assembly frame 2 is assembled and installed, the insertion rod 5 on the large-sized assembly frame 2 is pressed towards the inside of the welding pipe 3, the springs 4 are in a compressed state and then sleeved on the small-sized assembly frame 2, after the external force of the insertion rod 5 is lost, the insertion rod 5 is reset by the springs 4, the insertion rods 5 are driven to move outwards, then the insertion rods 5 are inserted into the insertion holes 201 of the small-sized assembly frame 2, so as to realize the quick assembly and fixation between the assembly frames 2, a through hole 301 is arranged at one end, facing the insertion rod 5, of the welding pipes 3, the diameter of the through hole 301 is matched with that of the inserted rod 5, a limiting plate 501 is welded at one end, facing the welded pipe 3, of the inserted rod 5, the diameter of the limiting plate 501 is matched with the inner diameter of the welded pipe 3, the limiting plate 501 is matched with the through hole 301 to limit the inserted rod 5, the inserted rod 5 is prevented from falling off from the inside of the welded pipe 3, one end of the spring 4 is welded and fixed with the limiting plate 501, the other end of the spring 4 is welded and fixed with one end, facing away from the inserted rod 5, of the inside of the welded pipe 3, openings 302 are formed in two sides of the welded pipe 3, the openings 302 are convenient for the pulling plate 6 to drive the limiting plate 501 to displace, the pulling plates 6 are welded on two sides of the limiting plate 501, the pulling plates 6 are convenient for a person to manually pull the limiting plate 501 to displace, then the limiting plate 501 drives the inserted rod 5 to displace to compress the spring 4, each pulling plate 6 comprises a connecting rod 601 and a rectangular frame 602, and one end of the connecting rod 601 is welded and fixed with the limiting plate 501, one end of the connecting rod 601 penetrating through the opening 302 is welded with a rectangular frame 602, the rectangular frame 602 is convenient for a person to hold, a rubber sleeve is sleeved on the surface of the rectangular frame 602, the comfort of the person holding the rectangular frame 602 is improved by the rubber sleeve, anti-skid grains are arranged on the surface of the rubber sleeve, the friction force on the surface of the rubber sleeve is increased by the anti-skid grains, and the stability of the person holding the rectangular frame 602 is ensured;

in this embodiment, when the sectional frame 2 carries out the aggregate erection, the handheld rectangle frame 602 of personnel drives the displacement of limiting plate 501, then limiting plate 501 drives the displacement of inserted bar 5 and compresses spring 4, then overlap large-size sectional frame 2 on small-size sectional frame 2, then loosen rectangle frame 602, under the restoration of spring 4, drive inserted bar 5 and outwards remove, then inserted bar 5 inserts in the jack 201 of small-size sectional frame 2, thereby realize assembling fast between sectional frame 2 fixedly, this kind of mode easily splices the combination to sectional frame 2 and forms square tube skeleton main part 1.

Claims

1. Fire door of easily splicing is with built-in square tube skeleton, including square tube skeleton main part (1), its characterized in that: the square tube framework main body (1) is formed by combining at least two groups of combined frames (2), the combined frames (2) are of a rectangular structure, the sizes of the combined frames (2) are increased progressively from inside to outside, and at least two groups of mounting bolts (202) with equal intervals are arranged on the surface of each combined frame (2) in one circle;

the inboard a week welding of combination frame (2) has two sets of welded pipes (3) of at least equidistance, the inside of welded pipe (3) is equipped with spring (4), and the one end of welded pipe (3) has inserted bar (5), combination frame (2) outside a week is equipped with jack (201) that correspond with inserted bar (5).

2. The easy-to-splice built-in square-tube framework for the fire door of claim 1, characterized in that: the diameter of the insertion holes (201) is matched with that of the insertion rods (5), and the insertion rods (5) penetrate through the corresponding insertion holes (201).

3. The built-in square tube framework easy to splice and used for the fire door according to claim 1, and is characterized in that: the welding pipe (3) is equipped with through-hole (301) towards the one end in inserted bar (5), and the diameter of through-hole (301) matches with the diameter of inserted bar (5).

4. The easy-to-splice built-in square-tube framework for the fire door of claim 1, characterized in that: inserted bar (5) have limiting plate (501) towards the welding of the one end in welded pipe (3), and the one end and limiting plate (501) welded fastening of spring (4), and the other end of spring (4) and the inside one end welded fastening who is dorsad inserted bar (5) of welded pipe (3).

5. The easy-to-splice built-in square-tube framework for the fire door of claim 4, characterized in that: the both sides of welding pipe (3) are equipped with opening (302), and the both sides welding of limiting plate (501) has arm-tie (6).

6. The easy-to-splice built-in square-tube framework for the fire door of claim 5, characterized in that: the pull plate (6) comprises a connecting rod (601) and a rectangular frame (602), one end of the connecting rod (601) is fixedly welded with the limiting plate (501), and the rectangular frame (602) is welded at one end of the connecting rod (601) penetrating through the opening (302).

7. The easy-to-splice built-in square-tube framework for the fire door of claim 6, characterized in that: the surface of the rectangular frame (602) is sleeved with a rubber sleeve, and the surface of the rubber sleeve is provided with anti-skid lines.