CN214145281U

CN214145281U - Non-welding-point reinforced fireproof door

Info

Publication number: CN214145281U
Application number: CN202022724251.8U
Authority: CN
Inventors: 曹翠武
Original assignee: Kuodao Door Industry Jiangsu Co ltd
Current assignee: Xi'an Le Door Industry Co ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-09-07
Anticipated expiration: 2030-11-23

Abstract

The utility model discloses a no welding point strenghthened type prevents fire door relates to and prevents fire door technical field, and this no welding point strenghthened type prevents fire door, including the door frame, the surface of door frame is provided with the wall body, the inner wall of wall body is inlayed and is had the connecting block, the square groove has been seted up on the surface of door frame, the inner wall of square groove and the surface swing joint of connecting block, the circular slot has been seted up to the inner wall of door frame, the inside swing joint of circular slot has the bolt, threaded groove and slot have been seted up respectively to one side that the wall body was kept away from on the connecting block surface, the bolt be close to the threaded groove one end run through the door frame and with the inner wall threaded connection of threaded groove, the disc has been cup jointed in the surface activity of bolt. The utility model discloses a set up bolt, square ring, apron and seal structure to among the solution prior art, the present common fire door that prevents is when using, has stayed more solder joint on welding back door frame and the door leaf, and more solder joint influences the problem of preventing fire door aesthetic property.

Description

Non-welding-point reinforced fireproof door

Technical Field

The utility model relates to a prevent fire door technical field, specifically be a no welding point strenghthened type prevents fire door.

Background

Prevent fire door and refer to the door that can satisfy fire-resistant stability within a certain period, integrality and thermal-insulated requirement, be fire-fighting equipment's important component, prevent that fire door is most with steel material preparation door frame, door leaf skeleton and door leaf panel, the intussuseption of door leaf intussuseption fire prevention thermal insulation material, the door frame is when the installation, often at the pre-buried ironware of wall body entrance to a cave, carry out welded fastening with door frame and ironware, open the hole on the wall in the door frame upper corner, pour the concrete, prevent to have the clearance between door frame and the wall body entrance to a cave, the door leaf is often connected door leaf skeleton and door leaf panel through the welding in the equipment, constitute the door leaf.

Among the prior art, the present common fire door that prevents when using, prevent that fire door's door frame often carries out welded fastening through welding and the pre-buried ironware of wall body entrance to a cave, prevents that fire door's door leaf is formed by skeleton and panel welding, and it has more solder joint to persist on door frame and the door leaf after the welding, and more solder joint influences the aesthetic property of preventing fire door.

SUMMERY OF THE UTILITY MODEL

The utility model provides a no solder joint strenghthened type prevents fire door possesses the advantage that improves and prevent fire door aesthetic property to among the solution prior art, present common prevent fire door when using, it has more solder joint to persist on welding back door frame and the door leaf, and more solder joint influences the problem of preventing fire door aesthetic property.

For the purpose of realizing improving the aesthetic property of the fireproof door, the utility model provides a following technical scheme: a reinforced fireproof door without welding spots comprises a door frame, wherein a wall body is arranged on the surface of the door frame, connecting blocks are inlaid in the inner wall of the wall body, a square groove is formed in the surface of the door frame, the inner wall of the square groove is movably connected with the surface of the connecting blocks, a round groove is formed in the inner wall of the door frame, a bolt is movably connected inside the round groove, a threaded groove and an inserting groove are respectively formed in one side, far away from the wall body, of the surface of the connecting block, one end, close to the threaded groove, of the bolt penetrates through the door frame and is in threaded connection with the inner wall of the threaded groove, a disc is movably sleeved on the surface of the bolt, the surface of the disc is movably connected with the inner wall of the round groove, a bolt is fixedly connected to one side, close to the connecting blocks, one end, far away from the disc, of the bolt penetrates through the door frame and is inserted into the inserting groove, and the inner wall of the door frame is movably connected with the surfaces of a square ring and a cover plate respectively, the quantity of apron is two, two the opposite face of apron respectively with the front and the back swing joint of square ring, two the equal fixedly connected with internal thread piece of opposite face of apron, the opening has all been seted up at the front and the back of square ring, the surface of internal thread piece and the inner wall swing joint of opening, the internal thread piece passes through screw and square ring fixed connection, the front and the back of square ring all are provided with seal structure, the inner wall fixedly connected with sealing strip of door frame, the apron surface is close to one side of sealing strip and the surface swing joint of sealing strip, the apron passes through hinge and door frame swing joint, the inside packing of square ring has the fire prevention filler.

As an optimal technical scheme of the utility model, two the apron uses the central vertical face through the square ring to set up as the symmetry plane symmetry.

As an optimal technical scheme of the utility model, the one end that the disc was kept away from to the bolt is hemispherical, the shape of slot and the shape looks adaptation of bolt.

As a preferred technical scheme of the utility model, the fixed surface of disc is connected with the stopper, the spacing groove has been seted up to the inner wall of circular slot, the inner wall of spacing groove and the surface swing joint of stopper.

As an optimized technical scheme of the utility model, the central axis of disc and circular slot all coincides with the central axis of bolt.

As a preferred technical scheme of the utility model, seal structure includes sealing washer and seal groove, the quantity of sealing washer and seal groove is two, two the sealing washer is fixed connection respectively at the front and the back of square ring, two the opposite face at two apron is seted up respectively to the seal groove, the surface of sealing washer and the inner wall swing joint of seal groove.

As an optimized technical scheme of the utility model, the sealing washer is "protruding" font, the shape of seal groove and the shape looks adaptation of sealing washer.

Compared with the prior art, the utility model provides a no welding point strenghthened type prevents fire door possesses following beneficial effect:

1. the reinforced fire door without welding points is characterized in that through arranging bolts, square rings, cover plates and sealing structures, when in use, the door frame is fixed with the connecting block through the bolt, the internal thread blocks on the two cover plates are attached to the openings on the square ring and fixed through the screws, thereby fixing the cover plate, the inner wall of the sealing groove on the cover plate is tightly attached to the surface of the sealing ring on the square ring, the connecting position of the cover plate and the square ring is sealed, the cover plate and the square ring form a door leaf, the door frame is fixed without welding, the door leaf is formed without welding, welding spots are not left on the surfaces of the door frame and the door leaf, and the bolts and screws on the door frame and the door leaf are all hidden, thereby achieving the effect of improving the aesthetic property of the fireproof door, in order to solve prior art, present common fire door when using, it has more solder joints to persist on welding back door frame and the door leaf, and more solder joint influences the problem of preventing fire door aesthetic property.

2. This fire door is prevented to solderless strenghthened type, through setting up the internal thread piece, when using, the internal thread piece passes through the fix with screw on the square ring, thereby fix the apron, after the apron takes place to damage, pull down the screw of fixing the internal thread piece, can pull down the apron that damages, the opening position of square ring is adjusted to the internal thread piece on the new apron, with new apron and square ring laminating, it can fix new apron to pass through the fix with screw with the internal thread piece again, the change of apron is simple and convenient, need not to change whole door leaf after damaging, and use cost is reduced.

3. This fire door is prevented to solderless strenghthened type, through setting up disc and bolt, when using, uses the bolt to fix the back with the door frame, and bolt extrusion disc makes the inner wall of bolt and slot closely laminate, improves the door frame and the tightness of being connected of connecting block to more firm stable with the door frame is fixed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a top cross-sectional view of the square ring of the present invention;

FIG. 3 is an enlarged view of the structure of the connecting block of the present invention;

FIG. 4 is a front sectional view of the bolt of the present invention;

FIG. 5 is a front sectional view of the internal thread block of the present invention;

figure 6 is the utility model discloses a stopper position department cuts open the drawing on the right side.

In the figure: 1. a door frame; 2. a wall body; 3. connecting blocks; 4. a square groove; 5. a circular groove; 6. a bolt; 7. a thread groove; 8. a slot; 9. a disc; 10. a bolt; 11. a square ring; 12. a cover plate; 13. an internal thread block; 14. opening the gap; 15. a sealing structure; 1501. a seal ring; 1502. a sealing groove; 16. a sealing strip; 17. a fire-resistant filler; 18. a limiting block; 19. a limiting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the utility model discloses a weldless reinforced fire door, which comprises a door frame 1, a wall body 2 is arranged on the surface of the door frame 1, connecting blocks 3 are embedded on the inner wall of the wall body 2, the connecting blocks 3 are pre-embedded on the inner wall of the wall body 2, the surface of the door frame 1 is provided with four square grooves 4, the number and the positions of the connecting blocks 3 correspond to those of the square grooves 4, the inner wall of the square groove 4 is movably connected with the surface of the connecting block 3, the inner wall of the door frame 1 is provided with a circular groove 5, the circular groove 5 prevents the bolt 6 from being exposed out of the door frame 1, the bolt 6 is movably connected inside the circular groove 5, one side of the surface of the connecting block 3, which is far away from the wall body 2, is respectively provided with two thread grooves 7 and one slot 8, the number of the thread grooves 7 is one, the thread groove 7 is positioned between the two slots 8, one end of a bolt 6 close to a thread groove 7 penetrates through a door frame 1 and is in threaded connection with the inner wall of the thread groove 7, a disc 9 is movably sleeved on the surface of the bolt 6, the surface of the disc 9 is movably connected with the inner wall of a circular groove 5, one side of the surface of the disc 9 close to a connecting block 3 is fixedly connected with a bolt 10, two bolts 10 are connected onto the same disc 9, the two bolts 10 are respectively positioned on the front side and the back side of the bolt 6, one end, far away from the disc 9, of each bolt 10 penetrates through the door frame 1 and is inserted into the corresponding slot 8, after the door frame 1 is fixed by the bolt 6, concrete is filled between the door frame 1 and the inner wall of a wall body 2 to prevent a gap from being formed between the door frame 1 and the inner wall of the wall body 2, the inner wall of the door frame 1 is respectively and movably connected with the surfaces of a square ring 11 and a cover plate 12, the square ring 11 and the cover plate 12 form a door leaf, a door lock is arranged on the door leaf, the number of the cover plate 12 is two, the opposite surfaces of the two cover plates 12 are respectively and are movably connected with the front side and the back side of the square ring 11, the opposite surfaces of two cover plates 12 are fixedly connected with inner thread blocks 13, the number of the inner thread blocks 13 on the two cover plates 12 is twelve, the number of the inner thread blocks 13 on the same cover plate 12 is six, one cover plate 12 is fixed by a plurality of inner thread blocks 13, so that the connection between the cover plate 12 and the square ring 11 is tighter, the structural strength of the door leaf is improved, the front surface and the back surface of the square ring 11 are respectively provided with a notch 14, the number and the position of the notches 14 correspond to the number and the position of the inner thread blocks 13, the surface of the inner thread block 13 is movably connected with the inner wall of the notch 14, the inner thread block 13 is fixedly connected with the square ring 11 through screws, the front surface and the back surface of the square ring 11 are respectively provided with a sealing structure 15, the sealing structure 15 seals the connection position of the cover plate 12 and the square ring 11, the inner wall of the door frame 1 is fixedly connected with a sealing strip 16, one side of the surface of the cover plate 12 close to the sealing strip 16 is movably connected with the surface of the sealing strip 16, the cover plate 12 is movably connected with the door frame 1 through a hinge, the fireproof filler 17 is filled in the square ring 11, and the fireproof filler 17 improves the fireproof capacity of the door leaf.

Specifically, the two cover plates 12 are symmetrically arranged with a central vertical plane passing through the square ring 11 as a symmetry plane.

In this embodiment, the cover plate 12 located on the front side of the square ring 11 is movably connected with the door frame 1 through a hinge, so that the door leaf rotates through the hinge, and the cover plate 12 located on the back side of the square ring 11 is tightly attached to the sealing strip 16 in the door frame 1 to seal between the door leaf and the door frame 1.

Specifically, one end of the plug 10, which is far away from the disc 9, is hemispherical, and the shape of the slot 8 is matched with that of the plug 10.

In this embodiment, the insertion of the plug 10 into the slot 8 is facilitated.

Specifically, the surface of the disc 9 is fixedly connected with a limiting block 18, the inner wall of the circular groove 5 is provided with a limiting groove 19, and the inner wall of the limiting groove 19 is movably connected with the surface of the limiting block 18.

In this embodiment, the front and the back of the same disc 9 are both fixed with a limiting block 18, the limiting block 18 is clamped in a limiting groove 19, the limiting block 18 and the bolt 10 jointly prevent the disc 9 from rotating along with the bolt 6, the bolt 10 and the disc 9 are prevented from being independently stressed at the connection position, and the bolt 10 and the disc 9 are more tightly connected.

Specifically, the central axes of the disc 9 and the circular groove 5 are coincident with the central axis of the bolt 6.

In this embodiment, the disk 9 is placed in the circular groove 5, the bolt 6 is inserted through the disk 9 and screwed into the thread groove 7, and the door frame 1 is fixed by tightening the bolt 6.

Specifically, the sealing structure 15 includes two sealing rings 1501 and two sealing grooves 1502, the number of the sealing rings 1501 and the number of the sealing grooves 1502 are two, the two sealing rings 1501 are respectively and fixedly connected to the front and the back of the square ring 11, the two sealing grooves 1502 are respectively arranged on the opposite surfaces of the two cover plates 12, and the surfaces of the sealing rings 1501 are movably connected with the inner walls of the sealing grooves 1502.

In this embodiment, after the cover plate 12 is fixed to the square ring 11, the surface of the seal ring 1501 is tightly attached to the inner wall of the seal groove 1502, and the connection position between the cover plate 12 and the square ring 11 is sealed.

Specifically, the seal ring 1501 is in a shape of a Chinese character 'tu', and the shape of the seal groove 1502 is matched with the shape of the seal ring 1501.

In this embodiment, the top cross-sectional view of seal ring 1501 is "convex," and the contact area between the inner wall of seal groove 1502 and seal ring 1501 is increased, thereby improving the sealing ability of seal ring 1501.

The utility model discloses a theory of operation and use flow: when the door frame is used, the square groove 4 of the door frame 1 is aligned with the position of the connecting block 3, the door frame 1 is pushed to enable the inner wall of the square groove 4 to be attached to the connecting block 3, the limiting block 18 on the disc 9 is aligned with the position of the limiting groove 19, the disc 9 is placed into the circular groove 5, the limiting block 18 is attached to the inner wall of the limiting groove 19, the bolt 10 penetrates through the door frame 1 to be inserted into the slot 8 of the connecting block 3, the bolt 6 penetrates through the disc 9 to be screwed into the thread groove 7 of the connecting block 3, the bolt 6 is screwed to fix the door frame 1, after the bolt 6 is screwed, the bolt 6 extrudes the disc 9 to enable the bolt 10 to be closely attached to the inner wall of the slot 8, the connection tightness between the door frame 1 and the connecting block 3 is improved, the door frame 1 is fixed more firmly and stably, the structural strength of the position of the door frame 1 is improved, the cover plate 12 on one side is attached to the square ring 11, the internal thread block 13 is attached to the notch 14 on the square ring 11, and the internal thread block 13 is fixed by screws, thereby the side cover plate 12 is fixed, the fireproof packing 17 is put into the square ring 11, the other side cover plate 12 is attached on the square ring 11, the internal thread block 13 is attached with the opening 14 on the square ring 11, the internal thread block 13 is fixed through the screw, thereby the side cover plate 12 is fixed, the cover plates 12 on two sides of the square ring 11 can be fixed, the inner wall of the sealing groove 1502 on the cover plate 12 is closely attached with the surface of the sealing ring 1501 on the square ring 11, the connecting position of the cover plate 12 and the square ring 11 is sealed, the cover plate 12 and the square ring 11 form the door leaf, the door frame 1 is fixed without welding, the door leaf is formed without welding, welding spots can not be left on the surfaces of the door frame 1 and the door leaf, the bolts 6 and the screws on the door frame 1 and the door leaf are hidden, the aesthetic property of the fireproof door is improved, when the cover plate 12 is damaged, the screw fixing the damaged internal thread block 13 on the damaged cover plate 12 is removed, the damaged cover plate 12 is removed from the square ring 11, the novel cover plate 12 is attached to the square ring 11, the novel cover plate 12 can be fixed through the inner thread block 13 fixed through screws, the cover plate 12 is simple and convenient to replace, the whole door leaf does not need to be replaced after damage, the use cost is reduced, when the door leaf is detached, the door leaf can be detached by detaching the screws for fixing the hinge on the door leaf, when the door frame 1 is detached, the bolts 6 are screwed out from the thread grooves 7 of the connecting blocks 3, the bolts 10 on the disc 9 are separated from the slots 8, when the door frame 1 is moved in the front direction of the door frame 1, the square grooves 4 are separated from the connecting blocks 3, and the door frame 1 can be detached.

To sum up, this fire door is prevented to no solder joint strenghthened type through setting up bolt 6, square ring 11, apron 12 and seal structure 15 to solve prior art, present common fire door when using, remain on welding back door frame 1 and the door leaf and have more solder joint, the problem of fire door aesthetic property is prevented in more solder joint influence.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a no solder joint strenghthened type prevents fire door, includes door frame (1), its characterized in that: the door frame is characterized in that a wall body (2) is arranged on the surface of the door frame (1), a connecting block (3) is embedded in the inner wall of the wall body (2), a square groove (4) is formed in the surface of the door frame (1), the inner wall of the square groove (4) is movably connected with the surface of the connecting block (3), a round groove (5) is formed in the inner wall of the door frame (1), a bolt (6) is movably connected with the inner part of the round groove (5), a threaded groove (7) and a slot (8) are respectively formed in one side, far away from the wall body (2), of the surface of the connecting block (3), one end, close to the threaded groove (7), of the bolt (6) penetrates through the door frame (1) and is connected with the inner wall of the threaded groove (7) in a threaded manner, a disc (9) is sleeved on the surface of the bolt (6) in a movable manner, the surface of the disc (9) is movably connected with the inner wall of the round groove (5), a bolt (10) is fixedly connected with one side, close to the surface of the connecting block (3), one end, far away from the disc (9), of the bolt (10) penetrates through the door frame (1) and is inserted into the slot (8), the inner wall of the door frame (1) is movably connected with the surfaces of the square ring (11) and the cover plates (12) respectively, the number of the cover plates (12) is two, the opposite surfaces of the two cover plates (12) are movably connected with the front surface and the back surface of the square ring (11) respectively, the opposite surfaces of the two cover plates (12) are fixedly connected with inner thread blocks (13), the front surface and the back surface of the square ring (11) are provided with notches (14), the surface of each inner thread block (13) is movably connected with the inner wall of each notch (14), each inner thread block (13) is fixedly connected with the square ring (11) through a screw, the front surface and the back surface of the square ring (11) are both provided with a sealing structure (15), and the inner wall of the door frame (1) is fixedly connected with a sealing strip (16), one side of the surface of the cover plate (12) close to the sealing strip (16) is movably connected with the surface of the sealing strip (16), the cover plate (12) is movably connected with the door frame (1) through a hinge, and fireproof filler (17) is filled in the square ring (11).

2. The weldless reinforced fire rated door of claim 1, wherein: the two cover plates (12) are symmetrically arranged by taking a central vertical plane passing through the square ring (11) as a symmetrical plane.

3. The weldless reinforced fire rated door of claim 1, wherein: one end of the plug pin (10) far away from the disc (9) is hemispherical, and the shape of the slot (8) is matched with that of the plug pin (10).

4. The weldless reinforced fire rated door of claim 1, wherein: the surface of disc (9) is fixedly connected with stopper (18), spacing groove (19) have been seted up to the inner wall of circular slot (5), the surface swing joint of the inner wall of spacing groove (19) and stopper (18).

5. The weldless reinforced fire rated door of claim 1, wherein: the central axes of the disc (9) and the circular groove (5) are coincided with the central axis of the bolt (6).

6. The weldless reinforced fire rated door of claim 1, wherein: seal structure (15) are including sealing washer (1501) and seal groove (1502), the quantity of sealing washer (1501) and seal groove (1502) is two sealing washer (1501) fixed connection respectively is at the front and the back of square ring (11), two seal groove (1502) are seted up respectively in the opposite face of two apron (12), the surface of sealing washer (1501) and the inner wall swing joint of seal groove (1502).

7. The weldless reinforced fire rated door of claim 6, wherein: the sealing ring (1501) is in a convex shape, and the shape of the sealing groove (1502) is matched with that of the sealing ring (1501).