Multi-material facing composite energy-saving entry door for low-energy ecological building

Abstract

The present application relates to energy-saving door and window technical field, especially to a kind of low-energy ecological building with multi-material facing composite energy-saving entrance door, including: installation door frame;Door leaf frame, the door leaf frame is fixedly connected in one side of the installation door frame by fireproof fixed plate, and the installation door frame and door leaf frame are constituted as the main body of the entrance door;Fireproof door core board, the fireproof door core board is set in the internal center of the door leaf frame.The present application is equipped with multiple side-by-side facing assembly frames on installation door frame, and the facing panel needed is assembled by being freely selected by multiple facing assembly frames, when fire occurs, high-temperature automatic start trigger assembly is used, at the same time, locking assembly is synchronized to remove the locking effect of drive assembly, so that drive assembly can automatically drive facing assembly frame and its facing panel to overturn and be stored in door leaf frame, so that the entrance door has fireproof function and self-protection function simultaneously.

Description

Technical Field

[0001] The present invention relates to the technical field of energy-saving doors and windows, and in particular to a multi-material-faced composite energy-saving entrance door for low-energy-consumption ecological buildings. Background Art

[0002] As global climate change and environmental problems become increasingly severe, the construction industry is turning to more environmentally friendly and sustainable materials and technologies. Ecological doors use environmentally friendly building materials such as recycled materials, bio-based materials or materials with low volatile organic compound emissions, reducing the impact on the environment. Modern consumers' pursuit of health, environmental protection and sustainable lifestyles is constantly improving, which continues to drive the market to transform towards greener products and services. Ecological doors, as part of green building materials, are in line with this trend and are favored by more and more consumers.

[0003] The patent with authorization publication number CN219993543U discloses an energy-saving composite entrance door with multi-material finishes, including a composite door frame, a composite door leaf and a fireproof fixing plate for hingedly connecting the composite door frame and the composite door leaf. The composite door leaf includes a centrally arranged fireproof door core panel, a cold-rolled steel plate wrapped around the periphery of the fireproof door core panel, a fiberboard symmetrically arranged on both sides of the cold-rolled steel plate, a detachable composite decorative panel wrapped around the periphery of the fiberboard, and a composite edging for fixing the composite decorative panel. The composite decorative panel includes a wood veneer panel and a metal panel, the metal panel is embedded in the wood veneer panel, and the composite edging is composed of steel side edging and aluminum decorative edging, and the steel side edging is embedded in the aluminum decorative edging.

[0004] The above-mentioned patented entrance door adopts a composite edging design, which effectively improves the fire resistance and avoids the problems of profile melting, high temperature diffusion and smoke leakage in the event of a fire. The composite assembly of decorative panels enables the door body to present a variety of appearance styles. However, although this design improves the fire safety standard, in actual fire scenarios, wooden decorative panels may become a hidden danger. Since wooden decorative panels cannot be automatically retracted or avoided from the flames, they may be directly ignited when they come into contact with the fire source, causing the door body temperature to rise rapidly, thereby accelerating the spread of the fire. In addition, the fixed decorative panels are not easy to disassemble or replace quickly, which reduces the flexibility and adaptability of the door body in the face of emergencies such as fire, and may affect the safety and effectiveness of the escape route. Summary of the Invention

[0005] In order to overcome the disadvantage of existing multi-material veneer entrance doors that wooden veneer panels are easily used to expand the impact of fire when encountering a fire, the present invention provides a retractable low-energy ecological building multi-material veneer composite energy-saving entrance door.

[0006] A multi-material veneer composite energy-saving entrance door for a low-energy ecological building, comprising: an installation door frame; a door leaf frame, the door leaf frame being fixedly connected to one side of the installation door frame by a fireproof fixing plate, the installation door frame and the door leaf frame forming the main body of the entrance door; a fireproof door core panel, the fireproof door core panel being arranged at the inner center of the door leaf frame; a veneer assembly frame having a plurality of veneer assembly frames and symmetrically arranged on the front and rear side surfaces of the door leaf frame, the veneer assembly frame being used for installing various veneer panels; a rotating shaft symmetrically arranged on the front and rear sides of the door leaf frame, the door leaf frame being provided with the same number of rotating shafts as the veneer assembly frames, and the ends of the rotating shafts are both provided with slots; a clamping block, the upper and lower ends of the veneer assembly frame are both provided with clamping blocks, the veneer assembly frame is clamped into the clamping slots of the corresponding rotating shafts through the clamping blocks, so that a plurality of veneer assembly frames can be rotated The shafts are installed in parallel on the front and rear sides of the door frame; a driving assembly, which includes a mounting frame, a gear, a rack frame, a piston sleeve and a piston rod. The upper part of the door frame is symmetrically provided with a mounting frame, and the rotating shafts all extend into the adjacent mounting frame. The upper ends of the rotating shafts are installed with gears, and the gears are all located in the mounting frame. Rack frames are slidably installed in the mounting frames, and the side surfaces of the rack frames are spaced apart with multiple rows of teeth meshing with the gears. The number of teeth is the same as that of the gears and the two are arranged alternately in sequence. Piston sleeves are installed in the mounting frames, and the piston sleeves are sealed with piston rods, and the ends of the piston rods are connected to the rack frame; a trigger assembly, a trigger assembly is provided inside the mounting door frame and the door frame, and the trigger assembly is used to trigger the driving assembly to be activated.

[0007] Optionally, the trigger assembly includes a heat-conducting frame, a memory alloy spring I and a heat-conducting rod I. The heat-conducting frame is provided on the upper part of the inner wall of the mounting door frame. A memory alloy spring I is installed between the piston sleeve and the piston rod. The memory alloy spring I is located in the piston sleeve. The memory alloy spring I has the characteristics of thermal expansion and contraction. A heat-conducting rod I is connected between the heat-conducting frame and the mounting frame. The end of the heat-conducting rod I extends through the piston sleeve and contacts with the memory alloy spring I.

[0008] Optionally, the multi-material finished composite energy-saving entrance door also includes a locking assembly, which includes a guide tube, a locking piece, a memory alloy spring II and a heat-conducting rod II. The guide tubes are symmetrically arranged in each of the installation frames, and the interior of the guide tubes is sealed and slidably installed with a locking piece, and the locking piece is composed of a disc, a connecting rod and a wedge block. A memory alloy spring II is arranged between the guide tubes and the locking piece. A heat-conducting rod II is connected between the installation frames, and the heat-conducting rod II is a U-shaped folding rod. The ends of the heat-conducting rod II all pass through the installation frame and contact the guide tubes, and the middle part of the heat-conducting rod II is attached to the upper part of the inner wall of the installation door frame.

[0009] Optionally, a slot is provided on one side of the end of the rack frame, the wedge block of the locking piece is embedded in the slot, and the side of the wedge block of the locking piece away from the heat-conducting rod II is an inclined surface, and the memory alloy spring II is elongated when heated to drive the locking piece to slide away from the slot of the rack frame, thereby releasing the lock on the rack frame.

[0010] Optionally, the heat-conducting frame, heat-conducting rod I and heat-conducting rod II all have high thermal conductivity, and the heat-conducting frame, heat-conducting rod I and heat-conducting rod II are specifically made of copper-aluminum alloy.

[0011] Optionally, a limiting member is provided on the decorative assembly frame, and the limiting member is used to limit the decorative panel installed in the decorative assembly frame. The limiting member includes a mounting block, a wedge-shaped long block and an elastic member. The upper and lower parts of the front side of each decorative assembly frame are fixed with multiple mounting blocks, and a wedge-shaped long block is slidably installed on the mounting block through a guide rod, and an elastic member is provided between the wedge-shaped long block and the mounting block.

[0012] Optionally, the multi-material finished composite energy-saving entrance door also includes a heat-conducting part, which includes a heat-conducting strip, a heat-conducting plate and a heat-conducting connecting plate. The heat-conducting strip is embedded in the side wall of the mounting door frame, and the end of the heat-conducting strip is in contact with the heat-conducting frame. The heat-conducting rod II is also in contact with the heat-conducting strip. The heat-conducting plate is embedded in the side wall of the door frame, and a heat-conducting connecting plate is connected between the heat-conducting strip and the heat-conducting plate.

[0013] Optionally, the mounting door frame and the door leaf frame are both made of high-temperature resistant and fireproof materials, the front of the decorative assembly frame is a frame for installing various decorative panels, and the back of the decorative assembly frame is a board made of fire-proof and heat-insulating ceramic fiber.

[0014] The beneficial effects of the present invention are as follows: 1. The present invention arranges multiple side-by-side decorative assembly frames on the installation door frame, and freely selects the required decorative panels for assembly through the multiple decorative assembly frames. When a fire occurs, the trigger component is automatically activated by high temperature, and the locking component simultaneously releases the locking effect of the driving component, so that the driving component can automatically drive the decorative assembly frame and the decorative panel thereon to flip and store them in the door frame, so that the entrance door has both fire prevention and self-protection functions.

[0015] 2. The present invention can further limit the decorative panel assembled in the decorative assembly frame through the locking component, so that the decorative panel can be stably installed on the decorative assembly frame. At the same time, the control part cooperates with the rack frame to realize a self-locking structure, so that the decorative panel cannot be manually flipped over when the entrance door is in normal use. Only when encountering high temperature or fire, the decorative panel on the decorative assembly frame can be automatically flipped over and stored, thereby realizing that the entrance door can be switched to the use state and fire protection state under normal temperature and high temperature conditions respectively. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0017] Figure 2 It is a three-dimensional structural diagram of the door leaf frame box, fireproof door core board and other components of the present invention.

[0018] Figure 3 It is a schematic diagram of the three-dimensional structure of the door leaf frame, the facing assembly frame and the rotating shaft and other components of the present invention.

[0019] Figure 4 It is a schematic diagram of the three-dimensional structure of the veneer assembly frame, limiter and other components of the present invention.

[0020] Figure 5 It is a three-dimensional structural schematic diagram of the specific components of the veneer assembly frame and the drive assembly of the present invention.

[0021] Figure 6 It is a schematic diagram of the three-dimensional structure of the trigger assembly, locking assembly and heat conducting member of the present invention.

[0022] Figure 7 This is a diagram showing the connection relationship between the trigger component and the locking component of the present invention.

[0023] Figure 8 It is a schematic three-dimensional structural diagram of the specific components of the trigger assembly and the locking assembly of the present invention.

[0024] Figure 9 For the present invention Figure 8 Enlarged view of point A in the middle.

[0025] Markings in the accompanying drawings: 1: Mounting door frame, 2: Door leaf frame, 201: Fireproof door core board, 3: Fireproof fixing plate, 4: Finish assembly frame, 401: Rotating shaft, 402: Block, 5: Drive assembly, 501: Mounting frame, 502: Gear, 503: Rack frame, 504: Piston sleeve, 505: Piston rod, 6: Trigger assembly, 601: Heat conducting frame, 602: Memory alloy spring I, 603: Heat conducting rod I, 7: Locking assembly, 701: Guide tube, 702: Locking part, 703: Memory alloy spring II, 704: Heat conducting rod II, 8: Limiting part, 801: Mounting block, 802: Wedge-shaped long block, 803: Elastic part, 9: Heat conducting part, 901: Heat conducting strip, 902: Heat conducting plate, 903: Heat conducting connecting plate. DETAILED DESCRIPTION

[0026] Exemplary embodiments will be described in detail herein, examples of which are illustrated in the accompanying drawings. When the following description refers to the drawings, identical numbers in different figures represent identical or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments are not intended to represent all embodiments consistent with the present application. Instead, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

[0027] Example 1: A multi-material composite energy-saving entrance door for low-energy ecological buildings, such as Figure 1-Figure 5 As shown, it includes: an installation door frame 1; a door leaf frame 2, the door leaf frame 2 is fixed to one side of the installation door frame 1 through a fireproof fixing plate 3, and the installation door frame 1 and the door leaf frame 2 constitute the main body of this entrance door; a fireproof door core board 201, the fireproof door core board 201 is arranged at the inner center of the door leaf frame 2; a decorative assembly frame 4, which is provided with a plurality of and symmetrically arranged on the front and rear sides of the door leaf frame 2, and the decorative assembly frame 4 is used to install various decorative panels; a rotating shaft 401, which is symmetrically arranged on the front and rear sides of the door leaf frame 2, and the door leaf frame 2 is equipped with a rotating shaft 401. The facing assembly frame 4 has the same number of rotating shafts 401, and the ends of the rotating shafts 401 are all provided with card slots; card blocks 402, the upper and lower ends of the facing assembly frame 4 are provided with card blocks 402, the facing assembly frame 4 is inserted into the card slots of the corresponding rotating shafts 401 through the card blocks 402, so that multiple facing assembly frames 4 are installed in parallel on the front and rear sides of the door frame 2 through the rotating shafts 401; drive component 5, the drive component 5 includes a mounting frame 501, a gear 502, a rack frame 503, a piston sleeve 504 and a piston rod 505, the upper end of the door frame 2 The mounting frames 501 are symmetrically arranged on the upper ends of the rotating shafts 401, and the rotating shafts 401 are all extended into the adjacent mounting frames 501. The upper ends of the rotating shafts 401 are all installed with gears 502, and the gears 502 are all located in the mounting frames 501. Rack frames 503 are all slidably installed in the mounting frames 501. The side surfaces of the rack frames 503 are spaced apart with multiple rows of teeth that mesh with the gears 502. The number of teeth is the same as that of the gears 502, and the two are arranged alternately in sequence. A piston sleeve 504 is installed in the mounting frames 501. The piston sleeve 504 is installed in the mounting frames 501. 04 are both sealed with a piston rod 505, the end of the piston rod 505 is connected to the rack frame 503; a trigger component 6 is provided inside the installation door frame 1 and the door leaf frame 2, and the trigger component 6 is used to trigger the drive component 5 to enable, so that the drive component 5 drives the decorative assembly frame 4 to flip over; the materials of the installation door frame 1 and the door leaf frame 2 are both made of high-temperature resistant and fire-proof materials, the front of the decorative assembly frame 4 is a frame for installing various decorative panels, and the back of the decorative assembly frame 4 is a board made of fire-proof and heat-insulating ceramic fiber.

[0028] like Figure 6-Figure 8As shown, the trigger assembly 6 includes a heat-conducting frame 601, a memory alloy spring I 602 and a heat-conducting rod I 603. The heat-conducting frame 601 is provided on the upper part of the inner wall of the mounting door frame 1. A memory alloy spring I 602 is installed between the piston sleeve 504 and the piston rod 505. The memory alloy spring I 602 is located in the piston sleeve 504. The memory alloy spring I 602 has the characteristics of thermal expansion and contraction. A heat-conducting rod I 603 is connected between the heat-conducting frame 601 and the mounting frame 501. The end of the heat-conducting rod I 603 extends through the piston sleeve 504 and contacts the memory alloy spring I 602.

[0029] like Figure 6 、 Figure 8 and Figure 9 As shown, the multi-material finished composite energy-saving entrance door also includes a locking assembly 7, which includes a guide tube 701, a locking piece 702, a memory alloy spring II 703 and a heat-conducting rod II 704. The guide tube 701 is symmetrically arranged in each of the installation frames 501, and the interior of the guide tube 701 is sealed and slidably installed with a locking piece 702. The locking piece 702 is composed of a disc, a connecting rod and a wedge block. A memory alloy spring II 703 is arranged between the guide tube 701 and the locking piece 702. A heat-conducting rod II 704 is connected between the installation frames 501. The heat-conducting rod II 704 is a U-shaped folding rod. The ends of the heat-conducting rod II 704 all pass through the installation frame 501 and contact the guide tube 701. The middle part of the heat-conducting rod II 704 is attached to the upper part of the inner wall of the installation door frame 1.

[0030] like Figure 8 and Figure 9 As shown, one side of the end of the rack frame 503 is provided with a slot, and the wedge block of the locking piece 702 is embedded in the slot, and the side of the wedge block of the locking piece 702 away from the heat-conducting rod II 704 is an inclined surface. The memory alloy spring II 703 is elongated when heated and can drive the locking piece 702 to slide away from the slot of the rack frame 503, thereby releasing the lock of the rack frame 503; the heat-conducting frame 601, the heat-conducting rod I 603 and the heat-conducting rod II 704 all have a high thermal conductivity coefficient, and the heat-conducting frame 601, the heat-conducting rod I 603 and the heat-conducting rod II 704 are specifically made of copper-aluminum alloy.

[0031] like Figure 1 and Figure 6As shown, the multi-material finished composite energy-saving entrance door also includes a heat-conducting member 9, which includes a heat-conducting strip 901, a heat-conducting plate 902 and a heat-conducting connecting plate 903. The heat-conducting strip 901 is embedded in the side wall of the installation door frame 1, and the end of the heat-conducting strip 901 is in contact with the heat-conducting frame 601. The heat-conducting rod II 704 is also in contact with the heat-conducting strip 901. The side wall of the door frame 2 is embedded with a heat-conducting plate 902, and a heat-conducting connecting plate 903 is connected between the heat-conducting strip 901 and the heat-conducting plate 902. The heat-conducting member 9 sensitively senses that the temperature will rise rapidly after a fire.

[0032] When the present entrance door is in use, different decorative panels can be assembled on the decorative assembly frame 4 as needed. When a fire occurs, the fire door core plate 201 can isolate the temperature inside and outside the door from the fire. Moreover, whether the high temperature caused by the fire is first conducted to the heat-conducting strip 901 or the heat-conducting plate 902, it can be mutually conducted through the heat-conducting connecting plate 903. The heat-conducting strip 901 after being heated conducts the heat to the heat-conducting rod II 704 and the heat-conducting frame 601. The heat-conducting rod II 704 can conduct the heat to the guide tube 701. The guide tube 701 is heated and the memory alloy spring II 703 is extended and pushes the locking piece 702 to move, and finally the locking piece 702 releases the locking effect on the rack frame 503. At the same time, the heat-conducting frame 601 conducts the heat through the heat-conducting rod I 603 When the piston sleeve 504 is opened, the temperature inside the piston sleeve 504 increases, causing the memory alloy spring I602 inside to be heated and extended. The extended memory alloy spring I602 will push the piston rod 505 to move, and the moving piston rod 505 will synchronously drive the rack frame 503 to move. The rows of teeth on the side of the moving rack frame 503 will mesh and drive the corresponding gear 502 to rotate. The rotating gear 502 drives the decorative assembly frame 4 to flip 180 degrees by synchronously driving the corresponding rotating shaft 401, so that the decorative panel decorated on the outside of the decorative assembly frame 4 can automatically flip inward and retract into the door frame 2 when a fire occurs, and the back of the fire-proof and high-temperature resistant decorative assembly frame 4 is replaced with the surface, thereby automatically protecting the decorative panel on the entrance door and minimizing the impact of fire on the entrance door.

[0033] Example 2: Based on Example 1, Figure 3-Figure 5 As shown, a limiting member 8 is provided on the decorative assembly frame 4, and the limiting member 8 is used to limit the decorative panel installed on the decorative assembly frame 4. The limiting member 8 includes a mounting block 801, a wedge-shaped long block 802 and an elastic member 803. The upper and lower parts of the front side of each decorative assembly frame 4 are fixed with multiple mounting blocks 801, and a wedge-shaped long block 802 is slidably installed on the mounting block 801 through a guide rod. An elastic member 803 is provided between the wedge-shaped long block 802 and the mounting block 801.

[0034] In the process of assembling the required decorative panel into the decorative assembly frame 4, the decorative panel will be pressed on the wedge-shaped long blocks 802 on the upper and lower sides, so that the two corresponding wedge-shaped long blocks 802 on the same decorative assembly frame 4 will overcome the elastic force of the elastic member 803 and open in the direction away from each other. When the decorative panel is completely installed in the decorative assembly frame 4, the wedge-shaped long blocks 802 that have lost the pressure of the decorative panel will be reset and retracted under the action of the spring, and the decorative panel will be stably limited in the decorative assembly frame 4, thereby improving the stability of the decorative panel after being installed in the decorative assembly frame 4. When multiple decorative panels are assembled side by side in the decorative assembly frame 4, since the locking member 702 is initially restricted in the rack frame 503, the rack frame 503 limits the rotation of the gear 502 through multiple rows of teeth meshing, so that the decorative assembly frame 4 and the decorative panel assembled thereon cannot be pushed at will when the entrance door is in normal use, thereby ensuring the normal decorative effect of the decorative panel.

[0035] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A multi-material composite energy-saving entrance door for low-energy ecological buildings, comprising: Install the door frame (1); A door leaf frame (2), wherein the door leaf frame (2) is fixed to one side of the installation door frame (1) via a fireproof fixing plate (3), and the installation door frame (1) and the door leaf frame (2) constitute a main body of the entrance door; A fireproof door core plate (201), the fireproof door core plate (201) being arranged at the inner center of the door leaf frame (2); Its characteristics are: Also included are: A plurality of decorative assembly frames (4) are provided and are symmetrically arranged on the front and rear side surfaces of the door leaf frame (2), and the decorative assembly frames (4) are used to install various decorative panels; The rotating shafts (401) are symmetrically arranged on the front and rear sides of the door leaf frame (2); the door leaf frame (2) is provided with the same number of rotating shafts (401) as the facing assembly frame (4); and the ends of the rotating shafts (401) are provided with slots; A clamping block (402) is provided at the upper and lower ends of the facing assembly frame (4), and the facing assembly frame (4) is clamped into the clamping slot of the corresponding rotating shaft (401) through the clamping block (402), so that multiple facing assembly frames (4) are installed in parallel on the front and rear side surfaces of the door frame (2) through the rotating shaft (401); A drive assembly (5), the drive assembly (5) comprising a mounting frame (501), a gear (502), a rack frame (503), a piston sleeve (504) and a piston rod (505), the mounting frame (501) being symmetrically provided on the upper portion of the door leaf frame (2), the rotating shafts (401) each extending through and into the adjacent mounting frame (501), the upper end of each rotating shaft (401) being mounted with a gear (502), and the gear (502) being located on the mounting frame (501). A rack frame (503) is slidably installed in the installation frame (501), and a plurality of rows of teeth meshing with the gear (502) are provided at intervals on the side of the rack frame (503), the number of teeth is the same as that of the gear (502), and the two are arranged alternately in sequence. A piston sleeve (504) is installed in the installation frame (501), and a piston rod (505) is sealed in the piston sleeve (504), and the end of the piston rod (505) is connected to the rack frame (503); A trigger component (6), wherein the mounting door frame (1) and the door leaf frame (2) are both provided with a trigger component (6), and the trigger component (6) is used to trigger the activation of the drive component (5); The trigger assembly (6) includes a heat-conducting frame (601), a memory alloy spring I (602) and a heat-conducting rod I (603). The heat-conducting frame (601) is provided on the upper part of the inner wall of the mounting door frame (1). A memory alloy spring I (602) is installed between the piston sleeve (504) and the piston rod (505). The memory alloy spring I (602) is located in the piston sleeve (504). A heat-conducting rod I (603) is connected between the heat-conducting frame (601) and the mounting frame (501). The end of the heat-conducting rod I (603) extends through the piston sleeve (504) and contacts the memory alloy spring I (602).

2. The multi-material facing composite energy-saving entrance door for low-energy ecological buildings according to claim 1 is characterized by: The multi-material-faced composite energy-saving entrance door further comprises a locking assembly (7), the locking assembly (7) comprising a guide tube (701), a locking piece (702), a memory alloy spring II (703) and a heat-conducting rod II (704), the guide tube (701) being symmetrically arranged in each of the installation frames (501), the interior of each of the guide tubes (701) being sealed and slidably mounted with a locking piece (702), the locking piece (702) being composed of a disc, a connecting rod and a wedge block. The invention is composed of a memory alloy spring II (703) provided between the guide tube (701) and the locking member (702), a heat-conducting rod II (704) connected to the installation frame (501), the heat-conducting rod II (704) being a U-shaped folding rod, the ends of the heat-conducting rod II (704) both passing through the installation frame (501) and contacting the guide tube (701), and the middle portion of the heat-conducting rod II (704) being attached to the upper portion of the inner wall of the installation door frame (1).

3. The multi-material facing composite energy-saving entrance door for low-energy ecological buildings according to claim 2 is characterized by: One side of the end of the rack frame (503) is provided with a slot, the wedge block of the locking member (702) is embedded in the slot, and the side of the wedge block of the locking member (702) away from the heat conducting rod II (704) is an inclined surface.

4. The multi-material-faced composite energy-saving entrance door for low-energy ecological buildings according to claim 3 is characterized by: The heat-conducting frame (601), the heat-conducting rod I (603) and the heat-conducting rod II (704) all have high thermal conductivity. The heat-conducting frame (601), the heat-conducting rod I (603) and the heat-conducting rod II (704) are specifically made of copper-aluminum alloy.

5. The multi-material facing composite energy-saving entrance door for low-energy ecological buildings according to claim 4 is characterized by: A limiting member (8) is provided on the veneer assembly frame (4), and the limiting member (8) includes a mounting block (801), a wedge-shaped long block (802), and an elastic member (803). The upper and lower parts of the front surface of each veneer assembly frame (4) are fixedly connected to a plurality of mounting blocks (801), the wedge-shaped long block (802) is slidably mounted on the mounting block (801) via a guide rod, and an elastic member (803) is provided between the wedge-shaped long block (802) and the mounting block (801).

6. The multi-material facing composite energy-saving entrance door for low-energy ecological buildings according to claim 5 is characterized by: The multi-material-faced composite energy-saving entrance door also includes a heat-conducting member (9), and the heat-conducting member (9) includes a heat-conducting strip (901), a heat-conducting plate (902) and a heat-conducting connecting plate (903). The heat-conducting strip (901) is embedded in the side wall of the installation door frame (1), and the end of the heat-conducting strip (901) is in contact with the heat-conducting frame (601). The heat-conducting rod II (704) is also in contact with the heat-conducting strip (901). The heat-conducting plate (902) is embedded in the side wall of the door leaf frame (2), and a heat-conducting connecting plate (903) is connected between the heat-conducting strip (901) and the heat-conducting plate (902).

7. The multi-material-faced composite energy-saving entrance door for low-energy ecological buildings according to claim 6 is characterized by: The materials of the mounting door frame (1) and the door leaf frame (2) are both made of high-temperature resistant and fireproof materials. The front of the decorative assembly frame (4) is a frame for mounting various decorative panels, and the back of the decorative assembly frame (4) is a board made of fireproof and heat-insulating ceramic fiber.

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