CN116255080A - Novel bridge cut-off thermal insulation door - Google Patents

Abstract

The invention discloses a novel bridge-cut-off steel high heat-insulating door, which comprises a door frame, a door leaf arranged in the door frame and a hinge rotatably connected between the door frame and the door leaf, wherein the door frame comprises two groups of vertical frames which are arranged in parallel and transverse frames which are fixedly arranged at the upper end and the lower end of the two groups of vertical frames, each of the vertical frames and the transverse frames comprises two groups of section steel, a plurality of groups of fixed connecting pieces and reinforcing pull pieces which are fixedly connected between the two groups of section steel, the reinforcing pull pieces are arranged at one side of the door frame close to a door opening, the fixed connecting pieces are arranged at one side of the door frame close to the door leaf, the fixed connecting pieces are arranged at intervals, and a plurality of groups of bridge-cut-off holes and/or mounting holes are formed in the reinforcing pull pieces; and heat insulation strips are fixedly arranged on one sides of the vertical frames and the horizontal frames, which are close to the indoor space. According to the invention, by changing the structures of the middle transverse frame and the vertical frame of the door frame, a plurality of broken bridges are formed between the fixed connecting pieces and between the reinforcing pull pieces, and the strength and the stability of the door frame are increased through the reinforcing pull pieces, so that the door frame has good heat insulation performance while meeting the rigidity requirement of the door frame.

Description

A new type of broken bridge insulation door

technical field

The invention relates to the technical field of doors and windows, in particular to a novel broken bridge heat preservation door.

Background technique

With the promotion of building energy conservation, the energy loss of doors and windows as an important channel to communicate with the outside world is quite serious. As the entrance door of the public part, the insulation and fireproof entrance doors commonly used in the market are filled with insulation materials inside the door leaf, and then Use a sealing strip to seal the joint between the door leaf and the door frame to increase the thermal insulation effect. On this basis, in order to achieve high heat preservation function, it is necessary to increase the thickness of the door leaf core filler and the thickness of the door leaf. At the same time, the entrance door needs to have anti-theft function, and the anti-theft door frame is mostly steel structure, and the door leaf is composed of two layers inside and outside. Composed of steel plates, the door leaf filler is mostly honeycomb paper or rock wool with fireproof performance, and a small part of the filler is honeycomb aluminum foil; because the main body of the anti-theft door, thermal insulation and fireproof entrance door is a steel structure, and the heat transfer coefficient of steel is relatively large, resulting in Anti-theft doors, thermal insulation and fireproof entrance doors have low thermal insulation.

Contents of the invention

The purpose of the present invention is to provide a novel broken bridge thermal insulation door to solve the above-mentioned problems in the prior art.

To achieve the above object, the present invention provides the following scheme:

The invention provides a novel thermal insulation door with a broken bridge, which includes a door frame, a door leaf arranged inside the door frame, and a hinge that is rotatably connected between the door frame and the door leaf. The horizontal frame at the upper and lower ends of the vertical frame, the vertical frame and the horizontal frame both include two sets of shaped steels and several sets of fixed connectors and reinforcement pull pieces fixedly connected between the two sets of shaped steels, the reinforcement pull pieces are arranged On the side of the door frame close to the door opening, the fixed connectors are arranged on the side of the door frame close to the door leaf, the fixed connectors are arranged at intervals, and several groups and/or installation holes are opened on the reinforcement pull tab; the vertical Both the frame and the horizontal frame are fixedly provided with heat insulating strips on the side close to the indoor.

Preferably, the fixed connectors are bracket plates, and the adjacent fixed connectors are arranged in a figure-eight shape, and the adjacent fixed connectors are arranged at intervals to form broken bridges.

Preferably, the shaped steel is divided into vertical frame shaped steel and horizontal frame shaped steel, and the adjacent vertical frame shaped steel and horizontal frame shaped steel are fixedly connected by corner screws, the two ends of the horizontal frame shaped steel are fixedly provided with positioning pieces, the A positioning hole matching the positioning piece is opened on the vertical frame section steel, and the positioning piece passes through the positioning hole for positioning.

Preferably, two sets of vertical frame steels located in the same vertical frame are vertically arranged, and grooves for accommodating the heat insulation strips are formed between the two sets of vertical frame steels.

Preferably, the door leaf includes two layers of interior panels arranged in parallel, edge strips fixedly arranged on the circumferential direction of the two layers of interior panels, and a composite thermal insulation and fireproof layer arranged between the two layers of interior panels, A fireproof expansion strip is clamped inside the edge strip.

Preferably, the composite thermal insulation and fireproof layer includes a thermal insulation layer and fireproof layers arranged on both sides of the thermal insulation layer, and a steel plate is arranged between the thermal insulation layer and the fireproof layer on the outdoor side.

Preferably, the insulation layer is any one of graphite polystyrene board or magnesium oxide board, the fireproof layer is any one of straw fireproof board or multi-layer composite fireproof board, and the edge trim is polyurethane Sidebar.

Preferably, there are three seals between the door frame and the door leaf, which are divided into a first rubber strip, a second rubber strip and a third rubber strip; the first rubber strip is arranged between the heat insulation strip and the section steel on the indoor side And abut against the interior trim panel on the indoor side; the second rubber strip is arranged between the heat insulation strip and the section steel on the outdoor side and the edge trimming strip abuts; the third adhesive strip is arranged outside the edge trimming strip One side and abut against the section steel on the indoor side.

Preferably, a lock tongue is fixedly arranged on the door leaf on the side away from the hinge, the lock tongue is connected with a driver, and a lock seat matching the lock tongue is provided on the door frame.

The invention discloses the following technical effects: the invention changes the structure of the horizontal frame and the vertical frame in the door frame, forms multiple broken bridges between the fixed connectors and between the reinforced pull tabs, and increases the strength and stability of the door frame through the reinforced pull tabs , while meeting the rigidity requirements of the door frame, the application adopts a large-area broken bridge, so that the door frame has good thermal insulation performance, and at the same time has good anti-theft and fire prevention performance.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings required in the embodiments. Obviously, the accompanying drawings in the following description are only some of the present invention. Embodiments, for those of ordinary skill in the art, other drawings can also be obtained based on these drawings without any creative effort.

Fig. 1 is the structural representation of high heat insulation door of the present invention;

Fig. 2 is the structural representation of door frame of the present invention;

Fig. 3 is a schematic diagram of the vertical frame structure of the present invention;

Fig. 4 is a schematic diagram of the horizontal frame structure of the present invention;

Fig. 5 is a schematic diagram of the structure of node 1.1 in Fig. 1;

Fig. 6 is a schematic diagram of the structure of node 1.2 in Fig. 1;

Fig. 7 is a schematic diagram of the structure of node 1.3 in Fig. 1;

Fig. 8 is a schematic diagram of the structure of node 1.4 in Fig. 1 .

Among them, 1 is the door frame, 11 is the vertical frame, 12 is the horizontal frame, 13 is the heat insulation strip, 101 is the section steel, 102 is the fixed connector, 103 is the reinforcement pull piece, 104 is the broken bridge hole, 105 is the broken bridge, 111 is the Vertical frame section steel, 112 is horizontal frame section steel, 113 is corner screw, 114 is positioning piece, 115 is groove, 2 is door leaf, 21 is interior panel, 22 is edge strip, 23 is fireproof expansion strip, 24 25 is a fireproof layer, 26 is a steel plate, 3 is a hinge, 41 is a first rubber strip, 42 is a second rubber strip, 43 is a third rubber strip, 51 is a bolt, 52 is a driver, 53 For the lock seat.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Referring to Figures 1-8, the present invention provides a new type of broken bridge thermal insulation door, which includes a door frame 1, a door leaf 2 arranged inside the door frame 1, and a hinge 3 rotatably connected between the door frame 1 and the door leaf 2. The door frame 1 includes two A set of vertical frames 11 arranged in parallel and horizontal frames 12 fixedly arranged at the upper and lower ends of the two sets of vertical frames 11. Both the vertical frames 11 and the horizontal frames 12 include two sets of section steels 101 and several sets of fixed sections fixedly connected between the two sets of section steels 101. The connecting piece 102 and the reinforcement pull piece 103, the reinforcement pull piece 103 is arranged on the side of the door frame 1 close to the door opening, the fixed connection piece 102 is arranged on the side of the door frame 1 close to the door leaf 2, the fixed connection pieces 102 are arranged at intervals, and the reinforcement pull piece 103 is provided with Several groups of broken bridge holes 104 and/or installation holes; the sides of the vertical frame 11 and the horizontal frame 12 close to the room are fixed with heat-insulating strips 13, and the heat-insulating strips 13 can be made of door frame wood, or other non-metallic materials with low K value Insulation strips of fireproof materials are acceptable. In the present invention, by changing the structure of the horizontal frame 12 and the vertical frame 11 in the door frame 1, multiple broken bridges are formed between the fixed connectors 102 and between the reinforcement pull pieces 103, and the structures of the vertical frame 11 and the horizontal frame 12 are all steel Structure, the vertical frame 11, the horizontal frame 12 and the fixed connector 102 are an integrated structure, multiple broken bridges are formed by punching, the door frame profile is formed by bending, welding, etc., and the strength of the door frame 1 is increased by reinforcing the pull piece 103 And stability, the structure is connected vertically and horizontally, and the corners are positioned through positioning holes and positioning pieces, and then fastened with screws. The strength and stability of the door frame are increased by reinforcing the pull tab 103. While meeting the rigidity requirements of the door frame 1, the application adopts a large-area broken bridge so that the door frame 1 has good thermal insulation performance, and at the same time has good anti-theft and fire performance. In a further optimization solution, the fixed connectors 102 are bracket plates, the adjacent fixed connectors 102 are arranged in a figure-eight shape, and the adjacent fixed connectors 102 are arranged at intervals to form broken bridges 105 .

To further optimize the scheme, the section steel 101 is divided into a vertical frame section steel 111 and a horizontal frame section steel 112, and the adjacent vertical frame section steel 111 and the horizontal frame section steel 112 are fixedly connected by set angle screws 113, and the two ends of the horizontal frame section steel 112 are fixedly provided with positioning pieces 114 , The vertical frame section steel 111 is provided with a positioning hole matched with the positioning piece 114, and the positioning piece 114 passes through the positioning hole for positioning. This application adopts vertical and horizontal connection, and the corners are positioned through positioning holes and positioning pieces 114, and then fastened with screws.

To further optimize the scheme, the two sets of vertical frame steel 111 located in the same vertical frame 11 are vertically arranged, that is, the long side of one vertical frame steel 111 is perpendicular to the short side of the other vertical frame steel 111, arranged in an L-shaped structure, and the two Grooves 115 for accommodating the heat insulation strips 13 are formed between the group frame steels 111 for accommodating the heat insulation strips 13 .

To further optimize the scheme, the door leaf 2 includes two layers of interior panels 21 arranged in parallel, edge strips 22 fixedly arranged on the circumference of the two layers of interior panels 21, and a composite thermal insulation and fireproof layer arranged between the two layers of interior panels 21, A fireproof expansion rubber strip 23 is clamped inside the edge strip 22 . While ensuring the heat preservation and fireproof performance of the door leaf 2 through the composite heat preservation and fireproof layer, two layers of interior panels 21 are combined to form the main structure of the door leaf, and at the same time, the edges are sealed by the edge strips 22 arranged in the circumferential direction to form a complete The door leaf 2.

To further optimize the scheme, the composite thermal insulation and fireproof layer includes a thermal insulation layer 24 and a fireproof layer 25 arranged on both sides of the thermal insulation layer 24, and a steel plate 26 is arranged between the thermal insulation layer 24 and the fireproof layer 25 on the outdoor side. The insulation layer 24 is any one of graphite polystyrene board or magnesium oxide board, the fireproof layer 25 is any one of straw fireproof board or multi-layer composite fireproof board, and the edge strip 22 is polyurethane edge strip.

To further optimize the scheme, there are three seals between the door frame 1 and the door leaf 2, which are divided into the first rubber strip 41, the second rubber strip 42 and the third rubber strip 43; the first rubber strip 41 is arranged between the heat insulation strip 13 and the indoor side between the shaped steel 101 and abut against the interior trim panel 21 on the indoor side; the second rubber strip 42 is arranged between the heat insulation strip 13 and the outdoor shaped steel 101 and the edge trim strip 22 abuts; the third rubber strip 43 is arranged The outdoor side of the edge trim strip 22 abuts against the section steel 101 on the indoor side. The first rubber strip 41, the second rubber strip 42 and the third rubber strip 43 adopt any one or both of the fireproof expansion rubber strip and the flame retardant sealing rubber strip. The fireproof expansion rubber strip prevents smoke and flame from entering through the door gap , The flame retardant sealing strip is both flame retardant and sealed, which further ensures the flame retardant, sealing and heat preservation performance of the door, and ensures the airtightness of the entire high heat insulation door.

To further optimize the scheme, a lock tongue 51 is fixedly arranged on the door leaf 2 on the side away from the hinge 3, and the lock tongue 51 is connected to a driver 52, and a lock seat 53 matching with the lock tongue 51 is provided on the door frame 1, and the lock tongue 51 is connected to the door frame 1. 52 control dead bolt 51 work, make it cooperate with lock seat 53 and make door have locking function, improve the safety of door body.

In describing the present invention, it should be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", The orientations or positional relationships indicated by "horizontal", "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present invention, rather than indicating or It should not be construed as limiting the invention by implying that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation.

The above-mentioned embodiments are only to describe the preferred mode of the present invention, and are not intended to limit the scope of the present invention. Variations and improvements should fall within the scope of protection defined by the claims of the present invention.

Claims (9)

1. A new type of broken bridge steel high thermal insulation door, comprising a door frame (1), a door leaf (2) arranged inside the door frame (1) and a hinge (3) rotatably connected between the door frame (1) and the door leaf (2) ), characterized in that: the door frame (1) includes two sets of vertical frames (11) arranged in parallel and horizontal frames (12) fixedly arranged at the upper and lower ends of the two sets of vertical frames (11), the vertical frame ( 11) and the horizontal frame (12) both include two sets of shaped steels (101) and several sets of fixed connectors (102) and reinforcement tabs (103) fixedly connected between the two sets of shaped steels (101). The pull tab (103) is arranged on the side of the door frame (1) close to the door opening, the fixed connecting piece (102) is arranged on the side of the door frame (1) close to the door leaf (2), and the fixed connecting piece (102) Arranged at intervals, several groups of break bridge holes (104) and/or installation holes are opened on the reinforcement pull tab (103); the side of the vertical frame (11) and the horizontal frame (12) close to the room are fixedly provided with partitions. Hot Bars (13). 2. A new type of broken bridge steel high insulation door according to claim 1, characterized in that: the fixed connector (102) is a bracket plate, and the adjacent fixed connectors (102) are arranged in a figure-eight shape, And adjacent to the fixed connecting piece (102) is arranged at intervals to form a broken bridge (105). 3. A new type of broken bridge steel high thermal insulation door according to claim 1, characterized in that: the section steel (101) is divided into a vertical frame section steel (111) and a horizontal frame section steel (112), adjacent to the vertical section section The frame shaped steel (111) and the horizontal frame shaped steel (112) are fixedly connected by set angle screws (113), the two ends of the horizontal frame shaped steel (112) are fixedly provided with positioning pieces (114), and the vertical frame shaped steel (111) A positioning hole matching the positioning piece (114) is opened on the top, and the positioning piece (114) passes through the positioning hole for positioning. 4. A new type of broken bridge steel high insulation door according to claim 3, characterized in that: two sets of vertical frame steels (111) located in the same vertical frame (11) are arranged vertically, and the two sets of vertical frames Grooves (115) for accommodating the heat insulating strips (13) are formed between the shaped steels (111). 5. A new type of broken bridge steel high insulation door according to claim 1, characterized in that: the door leaf (2) comprises two layers of interior panels (21) arranged in parallel, fixedly arranged in the two layers of the inner The edge strip (22) in the circumferential direction of the decorative panel (21) and the composite thermal insulation and fireproof layer arranged between the two interior panels (21), the inside of the edge strip (22) is clamped with fireproof expansion glue Article (23). 6. A novel broken bridge steel high thermal insulation door according to claim 5, characterized in that: said composite thermal insulation fireproof layer comprises a thermal insulation layer (24) and a fireproof layer (25) arranged on both sides of the thermal insulation layer (24) ), a steel plate (26) is provided between the heat insulation layer (24) and the fireproof layer (25) on the outdoor side. 7. A new type of broken bridge steel high heat insulation door according to claim 6, characterized in that: the heat insulation layer (24) is any one of graphite polystyrene board or magnesium oxide board, and the fireproof layer ( 25) It is any one of a straw fireproof board or a multi-layer composite fireproof board, and the edge trim strip (22) is a polyurethane edge trim strip. 8. A new type of broken bridge steel high insulation door according to claim 5, characterized in that: there are three seals between the door frame (1) and the door leaf (2) and are divided into first rubber strips (41) , the second rubber strip (42) and the third rubber strip (43); the first rubber strip (41) is arranged between the heat insulation strip (13) and the section steel (101) on the indoor side and is connected to the interior of the indoor side The veneer (21) abuts; the second rubber strip (42) is arranged between the heat insulation strip (13) and the section steel (101) on the outdoor side and abuts against the edge trimming strip (22); the The third rubber strip (43) is arranged on the outdoor side of the edge trim strip (22) and abuts against the section steel (101) on the indoor side. 9. A new type of broken bridge steel high thermal insulation door according to claim 1, characterized in that: the door leaf (2) on the side away from the hinge (3) is fixedly provided with a lock tongue (51), the The lock tongue (51) is connected with a driver (52), and the door frame (1) is provided with a lock seat (53) matched with the lock tongue (51).

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