A building thermal insulation exterior wall and its construction technology

Abstract

The present invention discloses a building thermal insulation exterior wall in the technical field of thermal insulation wall, comprising a wall shell, a middle support plate fixedly installed in the wall shell, side thermal insulation plates fixedly installed on both sides of the middle support plate, side thermal insulation plates fixedly installed on the side away from the middle support plate, a middle groove is provided in the middle position of the side thermal insulation plate, a connecting groove is provided in the middle position of the side protective plate corresponding to the frame of the wall shell, the side of the connecting groove away from the wall shell is connected with the middle groove, sub-connecting plates are slidably connected in the upper and right connecting grooves, and mother connecting plates are slidably connected in the left and lower connecting grooves, a transmission component is arranged in the middle groove, the transmission component can simultaneously guide the sub-connecting plate and the mother connecting plate out of the connecting groove, and fastening devices are arranged on the edges of the sub-connecting plate and the mother connecting plate, so as to provide a thermal insulation wall that can be quickly installed, has stronger wind resistance, and is more firmly installed.

Description

Technical Field

[0001] The invention relates to the technical field of thermal insulation walls, in particular to a building thermal insulation exterior wall and a construction process thereof. Background Art

[0002] Thermal insulation walls have the properties of energy saving, environmental protection, thermal insulation and heat insulation, and are widely used in the field of building materials.

[0003] The walls of existing civil buildings are generally built with aerated concrete blocks, fly ash blocks, and other profiles. The insulation effect of such buildings does not meet the technical requirements, and the construction process requirements are also very complicated. In addition, due to the high cost of raw materials and the long construction period, the insulation walls are difficult to disassemble and recycle, which is not conducive to the green cycle of building resources. In addition, the existing insulation walls are mostly assembled by bolting. The bolt installation is cumbersome, which makes the installation time of the insulation wall long and the installation efficiency low. The wall is easily damaged during the dismantling process, making the insulation wall damaged and unable to be reused. The connection between the insulation walls spliced ​​with a snap-on structure is prone to shaking and dislocation under the action of external environmental forces, especially wind, so that the connection between the spliced ​​insulation walls is not strong enough and has poor wind resistance. Summary of the invention

[0004] The technical problem of the present invention is to provide a building insulation exterior wall and a construction process thereof, so as to provide an insulation wall that can be quickly installed and has stronger wind resistance and can be installed more firmly.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a building insulation exterior wall, comprising a wall shell, a middle support plate fixedly installed in the wall shell, side insulation plates fixedly installed on both sides of the middle support plate, side protection plates fixedly installed on the side of the side insulation plate away from the middle support plate, a middle groove is provided in the middle position of the side protection plate, a connecting groove is provided on the side protection plate corresponding to the middle position of the frame of the wall shell, the connecting groove is connected with the middle groove on the side away from the wall shell, sub-connecting plates are slidably connected in the upper and right connecting grooves, and mother connecting plates are slidably connected in the left and lower connecting grooves, a transmission assembly is arranged in the middle groove, the transmission assembly can simultaneously guide the sub-connecting plates and the mother connecting plates out of the connecting grooves, and the edges of the sub-connecting plates and the mother connecting plates are provided with fastening devices, and the fastening devices can make the connection between the connected insulation exterior walls more firmly under the action of wind.

[0006] As a further solution of the present invention, the fastening device includes a connecting shaft, which is rotatably installed in the middle position of the middle support plate and the side insulation plate, and both ends of the connecting shaft are introduced into the middle groove. A ventilation hole is provided in the middle position of the connecting shaft, and side connecting holes are provided at positions corresponding to the connecting grooves on the middle support plate, and the ends of the side connecting holes close to the connecting shaft are connected to the ventilation holes. Lead-out grooves are provided on the middle support plate and the side insulation plate at ends corresponding to the side connecting holes away from the connecting shaft, and both ends of the lead-out grooves extend into the connecting grooves. Positioning holes are provided on the mother connecting plate and the child connecting plate, and the positioning holes match the lead-out grooves.

[0007] As a further solution of the present invention, side inflation airbags are fixedly installed on the edges of the mother connecting plate and the sub-connecting plate, the sub-connecting plates are arranged on the side of the connecting groove away from the side insulation plate, the mother connecting plates are arranged on the side of the connecting groove close to the side insulation plate, the sub-connecting plates are provided with a clamping groove on the side away from the inner wall of the connecting groove, and the mother connecting plates are fixedly installed with a clamping block on the side away from the inner wall of the connecting groove, the clamping block matches the clamping groove, and the connecting groove can accommodate the sub-connecting plate and the mother connecting plate to be arranged in parallel at the same time.

[0008] As a further solution of the present invention, the transmission assembly includes a built-in gear, which is rotatably installed in the middle groove, and the built-in gears are fixedly connected to the connecting shaft. A mounting ring is fixedly installed in the middle groove corresponding to the outer side of the built-in gear, and a plurality of sub-threaded rods are rotatably installed on the mounting ring at positions corresponding to the sub-connecting plate. The sub-threaded rods are threadedly connected to the sub-connecting plate, and a sub-driven bevel gear is fixedly installed on one end of the sub-threaded rod away from the sub-connecting plate, a sub-driving bevel gear is rotatably installed in the middle groove corresponding to the position of the sub-driven bevel gear, and a sub-side gear is fixedly installed on the side of the sub-driving bevel gear close to the side insulation plate.

[0009] As a further solution of the present invention, a plurality of female threaded rods are rotatably installed at positions corresponding to the female connecting plate on the mounting ring, the female threaded rods are threadedly connected to the female connecting plate, a female driven bevel gear is fixedly installed at one end of the female threaded rod away from the female connecting plate, a female driving bevel gear is rotatably installed at positions corresponding to the female driven bevel gear in the middle groove, a female side gear is fixedly installed on the side of the female driving bevel gear away from the side insulation plate, and the female side gear and the sub-side gear are both meshed with the built-in gear.

[0010] As a further solution of the present invention, mounting grooves are provided on the side of the built-in gear away from the side insulation plate and on the side protective plate, the mounting grooves are detachably clamped with mounting parts, and the mounting parts are fixedly installed with driving grooves on the side away from the built-in gear. The mounting parts are provided in two groups and one group of the mounting parts is provided with connecting grooves, and the side with the connecting grooves is the outer side of the insulation wall.

[0011] As a further solution of the present invention, an air inlet end is fixedly installed at one end of the side expansion airbag close to the middle groove, and the sub-connecting plate and the mother connecting plate can be introduced into the connecting groove of the adjacent insulation exterior wall after being guided out, and the clamping groove of the sub-connecting plate introduced into the connecting groove of the adjacent insulation wall is embedded in the clamping block on the adjacent mother connecting plate.

[0012] A building insulation exterior wall construction process, the specific steps of the building insulation exterior wall construction process are as follows:

[0013] Step 1: Splice the two sets of insulation walls together, and embed the sub-connection plate and the main connection plate into the connection grooves of the adjacent insulation walls;

[0014] Step 2: Then snap the mounting piece into the mounting slot, thereby fixing the mounting piece to the built-in gear;

[0015] Step 3: Use external force to guide the L rod into the driving slot of the built-in gear, and then rotate the L rod to drive the built-in gear to rotate;

[0016] Step 4: The built-in gear rotates through the transmission assembly to guide the sub-connection plate and the mother connection plate out of the interior of the insulation exterior wall and embed them into the connection groove of the adjacent insulation wall, thereby completing the splicing between the insulation exterior walls;

[0017] Step 5: Insert the installation piece with the connecting groove into the installation groove on the outside of the thermal insulation outer cavity.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] 1. In the present invention, the sub-connecting plate or the mother connecting plate inside the connecting groove of the insulation wall is mutually clamped with the mother connecting plate or the sub-connecting plate in the connecting groove, and the sub-connecting plate and the mother connecting plate are plugged into each other to fix and splice adjacent insulation walls. During the splicing process, multiple groups of mother connecting plates and sub-connecting plates of a single insulation wall can be quickly and simultaneously exported, making the installation between insulation walls more convenient and quick, and can be quickly disassembled without damaging the insulation wall during the disassembly process, avoiding the problem of cumbersome bolt installation and fixing operations and easy loss of the insulation wall body during the disassembly process, so that the wall can be recycled, making the insulation wall building material more green and environmentally friendly.

[0020] 2. In the present invention, after the sub-connecting plate and the mother connecting plate are guided out of the connecting groove, the positioning holes thereon just move to the position of the guiding groove. When the insulation outer wall is subjected to the action of wind, the wind will enter the ventilation hole through the connecting groove of the outer mounting part, and enter the side connecting hole through the ventilation hole, and then enter the guiding groove through the side connecting hole. Then the wind enters the connecting groove through the guiding groove, and then enters the side expansion airbag through the air inlet end of the side expansion airbag close to the positioning hole, so that the side expansion airbag expands. The expansion of the side expansion airbag makes the connection between the sub-connecting plate and the mother connecting plate and the connecting groove tighter under the action of wind, reduces the shaking and dislocation of the spliced ​​insulation wall under wind interference, makes the splicing of the insulation wall under wind interference more stable and firm, and increases the wind resistance of the insulation wall. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for describing the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the front structure of the present invention;

[0023] Figure 2 For the present invention Figure 1 A partial schematic diagram of the structure at A in the middle;

[0024] Figure 3 For the present invention Figure 1 A partial schematic diagram of the structure at B in the middle;

[0025] Figure 4 It is a schematic diagram of the rear structure of the present invention;

[0026] Figure 5 For the present invention Figure 4 A partial schematic diagram of the structure at C in the middle;

[0027] Figure 6 For the present invention Figure 5 A partial schematic diagram of the structure at D in the middle;

[0028] Figure 7 The structure of the present invention is cut away Figure 1 ;

[0029] Figure 8 For the present invention Figure 7 A partial schematic diagram of the structure at E in the middle;

[0030] Fig. 9 The structure of the present invention is cut away Figure 2 ;

[0031] Fig.10 For the present invention Fig. 9 Partial schematic diagram of the structure at F in the middle;

[0032] Fig.11 It is the installation flow chart of the present invention.

[0033] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0034] 1. Wall shell; 2. Side protection plate; 3. Mother connecting plate; 4. Sub-connecting plate; 5. Installation slot; 6. Mounting piece; 7. Drive slot; 8. Built-in gear; 9. Ventilation hole; 10. Connection slot; 11. Snap-in slot; 12. Side inflation airbag; 13. Connecting slot; 14. Snap-in block; 15. Middle support plate; 16. Side insulation plate; 17. Positioning hole; 18. Side connecting hole; 19. Lead-out slot; 20. Mounting ring; 21. Sub-threaded rod; 22. Sub-driven bevel gear; 23. Connecting shaft; 24. Mother threaded rod; 25. Sub-side gear; 26. Sub-driving bevel gear; 27. Mother-side gear; 28. Mother-driven bevel gear; 29. ​​Mother-driving bevel gear; 30. Middle slot. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] See also Figure 1-Figure 11 The present invention provides a technical solution: a building insulation exterior wall, comprising a wall shell 1, a middle support plate 15 is fixedly installed in the wall shell 1, side insulation plates 16 are fixedly installed on both sides of the middle support plate 15, side insulation plates 2 are fixedly installed on the side of the side insulation plate 16 away from the middle support plate 15, and a middle groove 30 is opened in the middle position of the side protection plate 2, and a connecting groove 10 is opened on the side protection plate 2 corresponding to the middle position of the frame of the wall shell 1, and the side of the connecting groove 10 away from the wall shell 1 is connected with the middle groove 30, and a sub-connecting plate 4 is slidably connected in the upper and right connecting grooves 10, and a mother connecting plate 3 is slidably connected in the left and lower connecting grooves 10, and a transmission component is arranged in the middle groove 30, and the transmission component can simultaneously guide the sub-connecting plate 4 and the mother connecting plate 3 out of the connecting groove 10, and the edges of the sub-connecting plate 4 and the mother connecting plate 3 are provided with fastening devices, and the fastening devices can make the connection between the connected insulation exterior walls more firmly under the action of wind.

[0037] During operation, after the edges of the adjacent wall shells 1 are spliced ​​together, the transmission assembly drives the female connecting plate 3 and the sub-connecting plate 4 inside the heat-insulating shell to be led out (the L rod is embedded in the driving groove 7, and the L rod is rotated to drive the mounting member 6 to rotate, and the mounting member 6 rotates to drive the built-in gear 8 to rotate, and the built-in gear 8 rotates to drive the female side gear 27 and the sub-side gear 25 to rotate, and the female side gear 27 and the sub-gear rotate to respectively drive the female driving bevel gear 29 and the sub-driving bevel gear 26 to rotate, and the female driving bevel gear 29 rotates to drive the female driven bevel gear 28 to rotate, and the female driven bevel gear 28 rotates to drive the female threaded rod 24 to rotate, and the female threaded rod 24 rotates to interact with the female connecting plate 3 to drive the female connecting plate 3 to be led out of the connecting groove 10, and at the same time, the sub-driving bevel gear 26 rotates to drive the sub-driven bevel gear 22 to rotate, and the sub-driven bevel gear 22 rotates to drive the sub-threaded rod 21 to rotate, and the sub-threaded rod 21 The rotation interacts with the internal thread of the sub-connecting plate 4, thereby driving the sub-connecting plate 4 to be guided out of the connecting groove 10 and into the connecting groove 10 of the adjacent insulation wall), enters the connecting groove 10 of the adjacent insulation wall, and is introduced into the connecting groove 10 of the adjacent insulation wall. The sub-connecting plate 4 or the mother connecting plate 3 is mutually engaged with the mother connecting plate 3 or the sub-connecting plate 4 in the connecting groove 10, and the mutual insertion of the sub-connecting plate 4 and the mother connecting plate 3 fixes and splices the adjacent insulation walls. During the splicing process, multiple groups of mother connecting plates 3 and sub-connecting plates 4 of a single insulation wall can be quickly guided out at the same time, making the installation between the insulation walls more convenient and quick, and can be quickly disassembled without damaging the insulation wall during the disassembly process, avoiding the problem of cumbersome bolt installation and fixing operations and easy loss of the insulation wall body during the disassembly process, so that the wall can be recycled, making the insulation wall building materials more green and sustainable.

[0038] In the present invention, the sub-connecting plate 4 or the mother connecting plate 3 inside the connecting groove 10 of the insulation wall is mutually clamped with the mother connecting plate 3 or the sub-connecting plate 4 in the connecting groove 10, and the sub-connecting plate 4 and the mother connecting plate 3 are plugged into each other to fix and splice adjacent insulation walls. During the splicing process, multiple groups of mother connecting plates 3 and sub-connecting plates 4 of a single insulation wall can be quickly and simultaneously exported, making the installation between insulation walls more convenient and quick, and can be quickly disassembled without causing damage to the insulation wall during the disassembly process, avoiding the problem of cumbersome bolt installation and fixing operations and easy loss of the insulation wall body during the disassembly process, so that the wall can be recycled, making the insulation wall building material more green and sustainable.

[0039] As a further solution of the present invention, the fastening device includes a connecting shaft 23, which is rotatably installed in the middle position between the middle support plate 15 and the side insulation plate 16, and both ends of the connecting shaft 23 are introduced into the middle groove 30. A ventilation hole 9 is opened in the middle position of the connecting shaft 23, and a side connecting hole 18 is opened at a position corresponding to the connecting groove 10 on the middle support plate 15. The end of the side connecting hole 18 close to the connecting shaft 23 is connected to the ventilation hole 9. The end of the middle support plate 15 and the side insulation plate 16 corresponding to the side connecting hole 18 away from the connecting shaft 23 is opened with an outlet groove 19, and both ends of the outlet groove 19 extend into the connecting groove 10. Positioning holes 17 are opened on the mother connecting plate 3 and the child connecting plate 4, and the positioning holes 17 match the outlet groove 19.

[0040] During operation, after the sub-connecting plate 4 and the mother connecting plate 3 are guided out of the connecting groove 10, the positioning hole 17 thereon just moves to the position of the guiding groove 19. When the insulation outer wall is subjected to the action of wind, the wind will enter the ventilation hole 9 through the connecting groove 13 of the outer mounting member 6, and enter the side connecting hole 18 through the ventilation hole 9, and then enter the guiding groove 19 through the side connecting hole 18. Then the wind enters the connecting groove 10 through the guiding groove 19, and then enters the side expansion airbag 12 through the air inlet end of the side expansion airbag 12 close to the positioning hole 17, so that the side expansion airbag 12 expands. The expansion of the side expansion airbag 12 makes the connection between the sub-connecting plate 4 and the mother connecting plate 3 and the connecting groove 10 tighter under the action of wind, reduces the shaking and dislocation of the spliced ​​insulation wall under wind interference, makes the splicing of the insulation wall under wind interference more stable and firm, and increases the wind resistance of the insulation wall.

[0041] After the sub-connecting plate 4 and the mother connecting plate 3 are guided out of the connecting groove 10 of the present invention, the positioning hole 17 thereon just moves to the position of the guiding groove 19. When the insulation outer wall is subjected to the action of wind, the wind will enter the ventilation hole 9 through the connecting groove 13 of the outer mounting member 6, and enter the side connecting hole 18 through the ventilation hole 9, and then enter the guiding groove 19 through the side connecting hole 18. Then the wind enters the connecting groove 10 through the guiding groove 19, and then enters the side expansion airbag 12 through the air inlet end of the side expansion airbag 12 close to the positioning hole 17, so that the side expansion airbag 12 expands. The expansion of the side expansion airbag 12 makes the connection between the sub-connecting plate 4 and the mother connecting plate 3 and the connecting groove 10 tighter under the action of wind, reduces the shaking and dislocation of the spliced ​​insulation wall under wind interference, makes the splicing of the insulation wall under wind interference more stable and firm, and increases the wind resistance of the insulation wall.

[0042] As a further solution of the present invention, side inflation airbags 12 are fixedly installed on the edges of the mother connecting plate 3 and the sub-connecting plate 4, the sub-connecting plates 4 are arranged on the side of the connecting groove 10 away from the side insulation plate 16, the mother connecting plates 3 are arranged on the side of the connecting groove 10 close to the side insulation plate 16, and a clamping groove 11 is opened on the side of the sub-connecting plate 4 away from the inner wall of the connecting groove 10, and a clamping block 14 is fixedly installed on the side of the mother connecting plate 3 away from the inner wall of the connecting groove 10, and the clamping block 14 matches the clamping groove 11, and the connecting groove 10 can accommodate the sub-connecting plate 4 and the mother connecting plate 3 to be arranged in parallel at the same time.

[0043] As a further scheme of the present invention, the transmission assembly includes a built-in gear 8, which is rotatably installed in the middle groove 30. The built-in gears 8 are fixedly connected to the connecting shaft 23. A mounting ring 20 is fixedly installed on the outer side of the built-in gear 8 in the middle groove 30 corresponding to the outer side of the built-in gear 8. A plurality of sub-threaded rods 21 are rotatably installed on the mounting ring 20 at positions corresponding to the sub-connecting plate 4. The sub-threaded rods 21 are threadedly connected to the sub-connecting plate 4. A sub-driven bevel gear 22 is fixedly installed on one end of the sub-threaded rod 21 away from the sub-connecting plate 4. A sub-driving bevel gear 26 is rotatably installed in the middle groove 30 corresponding to the sub-driven bevel gear 22. A sub-side gear 25 is fixedly installed on the side of the sub-driving bevel gear 26 close to the side insulation plate 16.

[0044] During operation, the L rod is embedded in the driving groove 7, and the L rod is rotated to drive the mounting member 6 to rotate, and the mounting member 6 rotates to drive the built-in gear 8 to rotate, and the built-in gear 8 rotates to drive the mother side gear 27 and the child side gear 25 to rotate, and the mother side gear 27 and the child gear rotate to respectively drive the mother driving bevel gear 29 and the child driving bevel gear 26 to rotate, and the mother driving bevel gear 29 rotates to drive the mother driven bevel gear 28 to rotate, and the mother driven bevel gear 28 rotates to drive the mother threaded rod 24 to rotate, and the mother threaded rod 24 rotates and interacts with the mother connecting plate 3 to drive the mother connecting plate 3 to be derived from the connecting groove 10, and at the same time, the child driving bevel gear 26 rotates to drive the child driven bevel gear 22 to rotate, and the child driven bevel gear 22 rotates to drive the child threaded rod 21 to rotate, and the child threaded rod 21 rotates and interacts with the inner thread of the child connecting plate 4, thereby driving the child connecting plate 4 to be derived from the connecting groove 10 and enter the connecting groove 10 of the adjacent insulation wall.

[0045] As a further solution of the present invention, a plurality of female threaded rods 24 are rotatably installed at the positions corresponding to the female connecting plate 3 on the mounting ring 20, the female threaded rods 24 are threadedly connected to the female connecting plate 3, a female driven bevel gear 28 is fixedly installed at one end of the female threaded rod 24 away from the female connecting plate 3, a female driving bevel gear 29 is rotatably installed at the position corresponding to the female driven bevel gear 28 in the middle groove 30, a female side gear 27 is fixedly installed on the side of the female driving bevel gear 29 away from the side insulation plate 16, and the female side gear 27 and the sub-side gear 25 are both meshed with the built-in gear 8.

[0046] As a further solution of the present invention, a mounting groove 5 is provided on the side of the built-in gear 8 away from the side insulation plate 16 and on the side protective plate 2, and the mounting groove 5 is detachably connected with a mounting member 6, and a driving groove 7 is fixedly installed on the side of the mounting member 6 away from the built-in gear 8. Two groups of mounting members 6 are provided, and one group of mounting members 6 is provided with a connecting groove 13, and the side provided with the connecting groove 13 is the outer side of the insulation wall.

[0047] As a further solution of the present invention, an air inlet end is fixedly installed at one end of the side expansion airbag 12 close to the middle groove 30, and the sub-connecting plate 4 and the mother connecting plate 3 can be introduced into the connecting groove 10 of the adjacent insulation exterior wall after being guided out, and the clamping groove 11 of the sub-connecting plate 4 introduced into the connecting groove 10 of the adjacent insulation wall is embedded in the clamping block 14 on the adjacent mother connecting plate 3.

[0048] A building insulation exterior wall construction process, the specific steps of the building insulation exterior wall construction process are as follows:

[0049] Step 1: splice two sets of insulation walls correspondingly, and embed the sub-connection plate 4 and the mother connection plate 3 into the connection groove 10 of the adjacent insulation walls;

[0050] Step 2: Then snap the mounting member 6 into the mounting groove 5, so as to fix the mounting member 6 and the built-in gear 8;

[0051] Step 3: Use external force to guide the L rod into the driving slot 7 of the built-in gear 8, and then rotate the L rod to drive the built-in gear 8 to rotate;

[0052] Step 4: The built-in gear 8 rotates through the transmission assembly to guide the sub-connecting plate 4 and the mother connecting plate 3 out of the inside of the insulation exterior wall and embed them into the connecting groove 10 of the adjacent insulation wall, thereby completing the splicing between the insulation exterior walls; Step 5: On the outside of the insulation outer cavity, embed the mounting part 6 with the connecting groove 13 into the mounting groove 5.

Claims

1. A building thermal insulation exterior wall, comprising a wall shell (1), characterized in that: An intermediate support plate (15) is fixedly installed in the wall shell (1), and side insulation plates (16) are fixedly installed on both sides of the intermediate support plate (15). A side protection plate (2) is fixedly installed on the side of the side insulation plate (16) away from the intermediate support plate (15), and a middle groove (30) is provided in the middle of the side protection plate (2). A connecting groove (10) is provided on the side protection plate (2) at a middle position corresponding to the frame of the wall shell (1), and the connecting groove (10) is connected to the side away from the wall shell (1). The middle groove (30) is connected, a sub-connecting plate (4) is slidably connected in the upper and right connecting grooves (10), and a mother connecting plate (3) is slidably connected in the left and lower connecting grooves (10), a transmission component is arranged in the middle groove (30), and the transmission component can guide the sub-connecting plate (4) and the mother connecting plate (3) out of the connecting groove (10) at the same time, and the edges of the sub-connecting plate (4) and the mother connecting plate (3) are both provided with fastening devices, and the fastening devices can make the connection between the connected thermal insulation exterior walls more firmly under the action of wind; The fastening device comprises a connecting shaft (23), the connecting shaft (23) is rotatably mounted at a middle position between the middle support plate (15) and the side insulation plate (16), and both ends of the connecting shaft (23) are introduced into the middle groove (30), a ventilation hole (9) is provided at a middle position of the connecting shaft (23), a side connecting hole (18) is provided at a position corresponding to the connecting groove (10) on the middle support plate (15), and one end of the side connecting hole (18) close to the connecting shaft (23) is connected to the ventilation hole (9), and an outlet groove (19) is provided at one end of the middle support plate (15) and the side insulation plate (16) corresponding to the side connecting hole (18) and far from the connecting shaft (23), and both ends of the outlet groove (19) extend into the connecting groove (10), and positioning holes (17) are provided on the mother connecting plate (3) and the child connecting plate (4), and the positioning holes (17) match the outlet groove (19); The edges of the mother connecting plate (3) and the child connecting plate (4) are fixedly mounted with side expansion airbags (12), and an air inlet end is fixedly mounted on one end of the side expansion airbag (12) close to the middle groove (30); the child connecting plates (4) are arranged on a side of the connecting groove (10) away from the side insulation plate (16), and the mother connecting plates (3) are arranged on a side of the connecting groove (10) close to the side insulation plate (16); a clamping groove (11) is provided on a side of the child connecting plate (4) away from the inner wall of the connecting groove (10); a clamping block (14) is fixedly mounted on a side of the mother connecting plate (3) away from the inner wall of the connecting groove (10); the clamping block (14) matches the clamping groove (11); and the connecting groove (10) can accommodate the child connecting plate (4) and the mother connecting plate (3) to be arranged in parallel at the same time.

2. A building thermal insulation exterior wall according to claim 1, characterized in that: The transmission assembly comprises a built-in gear (8), the built-in gear (8) is rotatably mounted in the middle groove (30), the built-in gear (8) is fixedly connected to the connecting shaft (23), a mounting ring (20) is fixedly mounted in the middle groove (30) at the outer side corresponding to the built-in gear (8), a plurality of sub-threaded rods (21) are rotatably mounted on the mounting ring (20) at positions corresponding to the sub-connecting plate (4), the sub-threaded rods (21) are threadedly connected to the sub-connecting plate (4), a sub-driven bevel gear (22) is fixedly mounted at one end of the sub-threaded rod (21) away from the sub-connecting plate (4), a sub-driving bevel gear (26) is rotatably mounted in the middle groove (30) at a position corresponding to the sub-driven bevel gear (22), and a sub-side gear (25) is fixedly mounted on the side of the sub-driving bevel gear (26) close to the side insulation plate (16).

3. A building thermal insulation exterior wall according to claim 2, characterized in that: A plurality of female threaded rods (24) are rotatably mounted on the mounting ring (20) at positions corresponding to the female connecting plate (3); the female threaded rods (24) are threadedly connected to the female connecting plate (3); a female driven bevel gear (28) is fixedly mounted on one end of the female threaded rod (24) away from the female connecting plate (3); a female driving bevel gear (29) is rotatably mounted on a position corresponding to the female driven bevel gear (28) in the intermediate groove (30); a female side gear (27) is fixedly mounted on one side of the female driving bevel gear (29) away from the side insulation plate (16); the female side gear (27) and the sub-side gear (25) are both meshed with the built-in gear (8).

4. A building thermal insulation exterior wall according to claim 3, characterized in that: A mounting groove (5) is provided on the side of the built-in gear (8) away from the side insulation plate (16) and on the side protection plate (2); the mounting groove (5) is detachably connected with a mounting member (6); a driving groove (7) is fixedly installed on the side of the mounting member (6) away from the built-in gear (8); two groups of mounting members (6) are provided, and one group of the mounting members (6) is provided with a connecting groove (13); and the side provided with the connecting groove (13) is the outer side of the insulation wall.

5. A building thermal insulation exterior wall according to claim 4, characterized in that: After being guided out, the sub-connection plate (4) and the mother connection plate (3) can be introduced into the connection groove (10) of the adjacent thermal insulation outer wall, and the clamping groove (11) of the sub-connection plate (4) introduced into the connection groove (10) of the adjacent thermal insulation wall is embedded in the clamping block (14) on the adjacent mother connection plate (3).

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