CN115247854A

CN115247854A - A high-efficient ventilation pipe for intelligent building

Info

Publication number: CN115247854A
Application number: CN202210947835.2A
Authority: CN
Inventors: 张国军
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-08-09
Filing date: 2022-08-09
Publication date: 2022-10-28

Abstract

The invention discloses a high-efficiency ventilation pipe for an intelligent building, which relates to the technical field of ventilation pipes and comprises a body and a connecting mechanism, wherein the connecting mechanism is arranged on one side of the body, a steering adjusting mechanism and a force accumulating mechanism are sequentially arranged on the connecting mechanism, the steering adjusting mechanism is arranged between the force accumulating mechanism and the body, a transmission mechanism is arranged below the connecting mechanism, the body comprises a ventilation opening, a plurality of steering teeth are arranged at the lower end of the ventilation opening, a plurality of steering blocks are arranged at the bottom end of the ventilation opening, the ventilation pipe is arranged below the ventilation opening, a steering groove is formed in the top end of the ventilation pipe, and the steering blocks are arranged in the steering groove. This a high-efficient ventilation pipe for intelligent building is no matter under strong wind weather or breeze weather, and the vent all returns and carries out angle modulation this moment for the opening direction of vent can be towards the wind direction all the time, has effectively increased the ventilation effect of this ventilation pipe.

Description

A high-efficient ventilation pipe for intelligent building

Technical Field

The invention relates to the technical field of ventilation pipes, in particular to a high-efficiency ventilation pipe for an intelligent building.

Background

The intelligent building is characterized in that the building is taken as a platform, various intelligent information is comprehensively applied, the building intelligence aims to realize the attributes of safety, high efficiency, convenience, energy conservation, environmental protection, health and the like of the building, the existing intelligent building is very focused on the health safety of a human body, and has strict standards for air quality, so that the existing intelligent building is basically provided with indoor ventilation and air exchange pipelines.

The Chinese patent with publication number CN114370681A discloses a ventilation device for intelligent buildings, which comprises a cylinder, wherein the top end of the cylinder is vertically and rotatably provided with an air catching part, the air catching part comprises an air collecting cylinder, a guide cylinder, a support rod and a guide plate, the air collecting cylinder is horn-shaped, a ventilation cavity is vertically formed in the cylinder, the bottom end of the cylinder is vertically and fixedly sleeved with a switching pipe, the top end of the switching pipe is communicated with the inside of the ventilation cavity, the bottom end of the switching pipe is fixedly connected with an air outlet pipe in a conducting manner, the air outlet pipe is fixedly connected with a plurality of first branch pipes in a conducting manner, a plurality of groups of exhaust assemblies are arranged in the cylinder, and the vertical section of the guide cylinder is provided with an adjusting assembly; the invention effectively solves the problems that the existing ventilation device has a simple structure, the ventilation inlet is fixed, and the flow guide direction cannot be changed according to the wind direction, so that the ventilation efficiency is lower.

However, the existing device still has some problems in the using process;

although the device can solve the vent and change according to the wind direction when using, but because it turns to and only adopts the deflector to make the draft tube turn to, because draft tube self contains certain gravity, the draft tube can receive the effect of wind force and rotate under strong wind weather, but under the less condition of wind-force, the draft tube can't rotate according to the wind direction, because the wind direction does not correspond with the ventilation entry position this moment to can cause the influence to ventilation efficiency.

Disclosure of Invention

The embodiment of the invention provides an efficient ventilating pipe for an intelligent building, which aims to solve the technical problems in the prior art.

The embodiment of the invention adopts the following technical scheme: the utility model provides a high-efficient ventilation pipe for intelligent building, includes the body, still includes coupling mechanism, coupling mechanism sets up the one side at the body, coupling mechanism is last to have set gradually to turn to adjustment mechanism and hold power mechanism, turn to adjustment mechanism and set up between holding power mechanism and body, coupling mechanism's below is provided with drive mechanism, the body includes the vent, the vent lower extreme is provided with a plurality of teeth that turn to, and the vent bottom is provided with a plurality of pieces that turn to, the below of vent is provided with the ventilation pipe, the groove that turns to has been seted up on the ventilation pipe top, it sets up at the inslot that turns to change the piece.

Further, coupling mechanism includes the connecting plate, the connecting plate sets up in one side of vent, and rotates between connecting plate and the vent and be connected, first connecting hole and second connecting hole have been seted up on the connecting plate in proper order, first connecting hole is circularly, the whole rectangle structure that is of second connecting hole, and second connecting hole both ends are the arc.

Further, drive mechanism includes second screw thread post, second screw thread post runs through the setting in first connecting hole, be provided with first screw thread post between second screw thread post and the vent, and the bottom of first screw thread post is provided with the transfer line, the bottom of transfer line is provided with drive gear.

Furthermore, the transmission gear is meshed with the steering gear, and a placing hole is formed in the second threaded column.

Further, turn to adjustment mechanism includes the spliced pole, the spliced pole sets up in placing the hole, and the spliced pole with place downthehole wall contactless, the upper end one side of spliced pole is provided with the connecting rod, the transversal L style of calligraphy of personally submitting of connecting rod, the spread groove has been seted up to the bottom of connecting rod, be provided with the connecting block in the spread groove, sliding connection between connecting block and the spread groove, the outer end of connecting block is provided with movable limiting plate, and movable limiting plate's both sides are the cambered surface, the top surface of connecting block is provided with coupling spring, and coupling spring's top is provided with the mounting panel, mounting panel and connecting rod fixed connection, the top of spliced pole is provided with first adapter sleeve, first adapter sleeve is flexible design, the bottom outside cover of spliced pole is equipped with the second thread bush, and the second thread bush is located the mounting plate top surface, be provided with the roof on the spliced pole, be provided with the recess on the roof, and the recess is the circular arc type.

Furthermore, threaded connection between second thread bush and the second thread post, and set up the screw thread angle in the second thread post and be greater than 85 °, set up in the second thread bush and rotate the groove, it has the guide way to rotate the inslot, it is provided with the turning block to rotate the inslot, and the turning block tip is provided with the guide block, the guide block is located the guide way, the turning block sets up at the connecting plate top surface, and rotates post and connecting plate fixed connection, the spacing groove has been seted up to second thread bush top surface, and the spacing groove lateral wall is the design of cambered surface.

Further, it includes the dwang to hold power mechanism, the dwang runs through the setting in the second connecting hole, the top of dwang is provided with the wind cup, the bottom of dwang is provided with holds the power screw thread, the outer cover is equipped with first adapter sleeve and second adapter sleeve in proper order in the dwang, second adapter sleeve one side is provided with reset spring, reset spring's tip is provided with the board that resets, fixed connection between board and the connecting plate resets.

Further, the power storage thread is in meshed connection with the second threaded column.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the ventilation pipe can be automatically adjusted along with the wind direction in the strong wind weather through the steering adjusting mechanism, and the adjusting angle is not limited, so that the ventilation opening of the ventilation pipe can always face the wind direction, the ventilation effect of the ventilation pipe is effectively increased, when the ventilation pipe is used, the ventilation opening is not fixedly connected with the ventilation pipe and is connected with the steering block through the steering groove, so that the ventilation opening can automatically adjust the angle under the action of the wind when meeting the strong wind weather, the opening of the ventilation opening always faces the wind direction, the wind can conveniently enter the pipeline, the angle adjusting effect is achieved, the wind-bearing area of the pipeline can be increased under the matching action of the steering adjusting mechanism, the effect of the pipeline on being influenced by the wind force is increased, the automatic adjusting angle is better, and the intelligent effect of equipment is increased;

the ventilation pipeline can also adjust the angle of the ventilation opening through the force storage mechanism under the condition that a motor is not used in breeze weather, on the premise that the ventilation effect is ensured, the energy consumption can be effectively reduced, and the effects of energy conservation and emission reduction are achieved;

thirdly, the vent hole can effectively enable the opening of the vent hole to correspond to the wind direction position when the angle of the vent hole is adjusted in breezy weather, so that wind can enter the pipeline through the vent hole, the ventilation effect of the pipeline is improved, in breezy weather, the steering plate is made of light plastic materials, the steering plate can also perform angle deviation under the action of breeze, the orientation of the steering plate is changed into the wind direction of the wind, when the steering plate performs angle deviation, the steering plate can drive the connecting column to synchronously rotate, when the connecting column rotates, the limiting block clamped in the limiting groove can be removed from the limiting groove, when the second threaded column moves downwards, the second threaded sleeve can be driven to rotate, when the second threaded sleeve rotates to a certain angle, the limiting block can be clamped in the limiting groove again, at the moment, the second threaded sleeve can not rotate, when the second threaded sleeve can not rotate, at the moment, the second threaded column can not move downwards, finally, the rotation angle of the transmission gear is a certain, and at the rotation angle of the vent hole is also a certain, so that the rotation angle of the vent hole can be adjusted, the vent hole can be prevented from rotating to cause a large ventilation effect, and the pipeline cannot enter the vent hole;

to sum up, under the effect of the steering adjusting mechanism and the force storage mechanism, the pipeline can be automatically adjusted in the strong wind weather and can also be adjusted in the breeze weather, an additional power source is not needed in the adjusting process, the pipeline can be adjusted only by utilizing the power of the wind, and the adjusting angle can be limited to a certain extent in the adjusting process, so that the condition that the wind cannot enter the pipeline due to the fact that the rotating angle of the ventilation opening is too large is avoided, the ventilation effect of the pipeline is effectively improved, and the pipeline is suitable for various weathers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the transmission mechanism of the present invention;

FIG. 3 is a schematic structural diagram of the power storage mechanism of the present invention;

FIG. 4 is a schematic view of the steering adjustment mechanism of the present invention;

FIG. 5 is an enlarged view of the structure at A in FIG. 4 according to the present invention;

FIG. 6 is a schematic view of the structure of the steering gear and the transmission gear of the present invention.

Reference numerals:

1. a body; 11. a vent; 12. a steering tooth; 13. a turning block; 14. a steering groove; 15. a vent pipe; 2. a steering adjustment mechanism; 21. a deflector plate; 22. a top plate; 23. a groove; 24. a first threaded sleeve; 25. a rotating groove; 26. rotating the block; 27. connecting columns; 28. a connecting rod; 29. a second threaded sleeve; 210. a movable limit plate; 211. connecting blocks; 212. connecting grooves; 213. a connecting spring; 214. mounting a plate; 215. a limiting groove; 3. a force storage mechanism; 31. a wind cup; 32. rotating the rod; 33. a first connecting sleeve; 34. a second connecting sleeve; 35. a return spring; 36. a reset plate; 37. force storage threads; 4. a connecting mechanism; 41. a connecting plate; 42. a first connection hole; 43. a second connection hole; 5. a transmission mechanism; 51. a first threaded post; 52. a transmission rod; 53. a transmission gear; 54. placing holes; 55. a second threaded post.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 6, an embodiment of the invention provides a high-efficiency ventilation pipe 15 for an intelligent building, which comprises a body 1 and a connecting mechanism 4, wherein the connecting mechanism 4 is arranged on one side of the body 1, a steering adjusting mechanism 2 and a power accumulating mechanism 3 are sequentially arranged on the connecting mechanism 4, the steering adjusting mechanism 2 is arranged between the power accumulating mechanism 3 and the body 1, a transmission mechanism 5 is arranged below the connecting mechanism 4, the body 1 comprises a ventilation opening 11, a plurality of steering teeth 12 are arranged at the lower end of the ventilation opening 11, a plurality of steering blocks 13 are arranged at the bottom end of the ventilation opening 11, a ventilation pipe 15 is arranged below the ventilation opening 11, steering grooves 14 are formed in the top end of the ventilation pipe 15, and the steering blocks are arranged in the steering grooves 14.

During operation, in windy weather, the vent 11 receives the effect of wind to carry out angle modulation this moment, thereby make the orientation of vent 11 can be towards the wind direction all the time, be convenient for carry on the circulation of air, thereby increase ventilation effect, in breeze weather, when wind-force can't blow vent 11, when making vent 11 carry out angle modulation, also can make vent 11 rotate through power storage mechanism 3 this moment, and can play a spacing effect for the turned angle of vent 11 through turning to adjustment mechanism 2 at the pivoted in-process, make vent 11 avoid appearing the rotation range too big at the in-process of carrying out angle modulation, lead to vent 11 orientation and wind direction inconsistent, influence ventilation effect.

Specifically, coupling mechanism 4 includes connecting plate 41, connecting plate 41 sets up in one side of vent 11, and rotates between connecting plate 41 and the vent 11 and be connected, first connecting hole 42 and second connecting hole 43 have been seted up in proper order on connecting plate 41, first connecting hole 42 is circularly, the whole rectangle structure that is of second connecting hole 43, and second connecting hole 43 both ends are the arc.

During operation, can play the effect of an installation connection for other parts under the effect of connecting plate 41, simultaneously because connecting plate 41 is connected with vent 11 for vent 11 is when rotating, and other parts also can be followed and are rotated, thereby increases the rotation range of this pipeline, can not appear rotating the dead angle.

Specifically, the transmission mechanism 5 includes a second threaded column 55, the second threaded column 55 is disposed in the first connection hole 42 in a penetrating manner, a first threaded column 51 is disposed between the second threaded column 55 and the ventilation opening 11, a transmission rod 52 is disposed at a bottom end of the first threaded column 51, and a transmission gear 53 is disposed at a bottom of the transmission rod 52.

Specifically, the transmission gear 53 is engaged with the steering gear 12, and a placing hole 54 is formed in the second threaded column 55.

It is specific, turn to adjustment mechanism 2 and include spliced pole 27, spliced pole 27 sets up in placing hole 54, and spliced pole 27 and place hole 54 inner wall contactless, upper end one side of spliced pole 27 is provided with connecting rod 28, the transversal L style of calligraphy of personally submitting of connecting rod 28, connecting groove 212 has been seted up to the bottom of connecting rod 28, be provided with connecting block 211 in the connecting groove 212, sliding connection between connecting block 211 and the connecting groove 212, connecting block 211's outer end is provided with movable limiting plate 210, and movable limiting plate 210's both sides are the cambered surface, connecting block 211's top surface is provided with connecting spring 213, and connecting spring 213's top is provided with mounting panel 214, mounting panel 214 and connecting rod 28 fixed connection, spliced pole 27's top is provided with first adapter sleeve 33, first adapter sleeve 33 is flexible design, spliced pole 27's the bottom outside cover is equipped with second thread bush 29, and second thread bush 29 is located mounting panel 214 top surface, be provided with roof 22 on spliced pole 27, be provided with recess 23 on roof 22, and recess 23 is the circular arc type.

Specifically, threaded connection between second thread bush 29 and the second thread post 55, and the screw thread angle of having seted up in the second thread post 55 is greater than 85 °, rotation groove 25 has been seted up in the second thread bush 29, the guide way has been seted up in the rotation groove 25, be provided with turning block 26 in the rotation groove 25, and the turning block 26 tip is provided with the guide block, the guide block is located the guide way, turning block 26 sets up at connecting plate 41 top surface, and rotates post and connecting plate 41 fixed connection, spacing groove 215 has been seted up to second thread bush 29 top surface, and spacing groove 215 lateral wall is the design of cambered surface.

The during operation, in the breeze weather, because the deflector 21 adopts light plastic material, the deflector 21 also can carry out through the angular deflection by the effect of breeze this moment, make the orientation of deflector 21 become the wind direction of wind, when the deflector 21 carries out the angular deflection, the deflector 21 can drive spliced pole 27 and rotate in step, can make the stopper of block in spacing groove 215 remove from spacing groove 215 when spliced pole 27 rotates, in-process that moves down at second thread post 55 can drive second thread bush 29 and rotate, when second thread bush 29 rotates certain angle, this moment stopper again block to spacing groove 215 in, second thread bush 29 can't rotate this moment, second thread post 55 also can not move down after second thread bush 29 can't rotate this moment, finally make the turned angle of drive gear 53 certain, the turned angle of vent 11 is also certain simultaneously, thereby can play a spacing effect to the turned angle of vent 11, avoid vent 11 turned angle too big, wind enters into the pipeline, cause the ventilation effect poor.

Specifically, it includes dwang 32 to hold power mechanism 3, dwang 32 runs through the setting in second connecting hole 43, the top of dwang 32 is provided with wind cup 31, the bottom of dwang 32 is provided with holds power screw thread 37, the outer cover is equipped with first adapter sleeve 33 and second adapter sleeve 34 in proper order in the dwang 32, second adapter sleeve 34 one side is provided with reset spring 35, reset spring 35's tip is provided with reset plate 36, fixed connection between reset plate 36 and the connecting plate 41.

Specifically, the power storage thread 37 is engaged with the second threaded post 55.

During operation, the wind cup 31 rotates around a direction no matter which direction the wind is received, and the wind cup 31 also rotates under the condition of breeze, the second threaded column 55 moves up synchronously in the process that the wind cup 31 rotates, because the second threaded column 55 is in threaded connection with the second threaded sleeve 29, and the second threaded sleeve 29 cannot move up and down, the second threaded column 55 can move up when rotating, when the vent 11 cannot be automatically adjusted according to the wind direction in the breeze weather, the second threaded column 55 can automatically move down, the transmission gear 53 can rotate through the transmission mechanism 5 in the process that the second threaded column 55 automatically moves down, because the transmission gear 53 is in meshed connection with the steering teeth 12, when the transmission gear 53 rotates, the vent 11 also rotates synchronously under the influence of the steering teeth 12, and therefore the vent 11 can also adjust the angle in the breeze weather, and the application range of the pipeline is enlarged.

Working principle; in windy weather, wind blows the wind cup 31 to rotate, the wind cup 31 is connected with the power storage thread 37 through the connecting column 27, the second thread column 55 is meshed with the power storage thread 37, the power storage thread 37 rotates to drive the second thread column 55 to rotate, the second thread column 55 rotates to move upwards, so that a power storage effect is achieved, in windy weather, because the ventilation opening 11 is not fixedly connected with the ventilation pipe 15 and is connected with the steering block 13 through the steering groove 14, when the ventilation opening 11 meets the windy weather, the angle of the ventilation opening 11 is automatically adjusted under the action of the wind, the opening of the ventilation opening 11 faces the wind direction all the time, the wind can enter the pipeline conveniently, so that the angle adjusting effect is achieved, in addition, the wind bearing area of the pipeline can be increased under the matching effect of the steering adjusting mechanism 2, so that the effect of the wind on the pipeline is increased, the automatic angle adjustment is better, the intelligent effect of the equipment is increased, in breezy weather, the steering plate 21 is subjected to wind force to generate angle deviation, the orientation of the steering plate 21 is changed into the wind direction of wind, when the steering plate 21 carries out angle deviation, the steering plate 21 can drive the connecting column 27 to synchronously rotate, when the connecting column 27 rotates, the limiting block clamped in the limiting groove 215 can move out of the limiting groove 215, simultaneously, the connecting column 27 rotates to drive the top plate 22 to rotate, the groove 23 formed in the top plate 22 does not correspond to the connecting column 27, so that the connecting column 27 generates a contact force, the connecting column 27 moves, when the connecting column 27 moves, the power storage thread 37 is disconnected with the second thread column 55, when the power storage stud is disconnected with the second thread column 55, and the limiting block moves out of the limiting groove 215, the second thread column 55 moves downwards under the action of gravity, in the process of moving the second threaded column 55 downwards, the first threaded sleeve 24 is driven to move downwards, the first threaded sleeve 24 is meshed with the first threaded column 51 to be connected, so that the first threaded sleeve 24 moves downwards to drive the first threaded column 51 to rotate, the first threaded column 51 is connected with the transmission gear 53 through the transmission rod 52, the transmission gear 53 rotates along with the rotation of the first threaded column 51, meanwhile, the steering gear 12 is meshed with the transmission gear 53, when the transmission gear 53 rotates, the steering gear 12 is driven to rotate synchronously, so that the ventilation opening 11 rotates in the breeze weather, meanwhile, the second threaded sleeve 29 is driven to rotate in the process of moving the second threaded column 55 downwards, when the second threaded sleeve 29 rotates, the second threaded sleeve 29 is driven to rotate to a certain angle, the limiting block is clamped into the limiting groove 215 again under the action of the connecting spring 213, at the moment, the second threaded sleeve 29 cannot rotate, when the second threaded sleeve 29 cannot rotate, the second threaded column 55 cannot move downwards, finally, the transmission gear 53 rotates at the certain angle, and the ventilation opening 11 cannot rotate at the certain angle, so that the ventilation opening 11 cannot enter the ventilation opening in the pipeline in the certain angle.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. An efficient ventilation duct (15) for smart buildings, comprising a body (1), characterized in that; still include coupling mechanism (4), coupling mechanism (4) set up the one side at body (1), coupling mechanism (4) are gone up and have been set gradually and have turned to adjustment mechanism (2) and hold power mechanism (3), turn to adjustment mechanism (2) and set up between power mechanism (3) and body (1), the below of coupling mechanism (4) is provided with drive mechanism (5), body (1) includes vent (11), vent (11) lower extreme is provided with a plurality of steering teeth (12), and vent (11) bottom is provided with a plurality of turning block (13), the below of vent (11) is provided with ventilation pipe (15), turning groove (14) have been seted up on ventilation pipe (15) top, the turning block setting is turning to in groove (14).

2. A high-efficiency ventilation duct (15) for smart buildings according to claim 1, characterized in that; coupling mechanism (4) are including connecting plate (41), connecting plate (41) set up the one side at vent (11), and rotate between connecting plate (41) and vent (11) and be connected, first connecting hole (42) and second connecting hole (43) have been seted up in proper order on connecting plate (41), first connecting hole (42) are circularly, second connecting hole (43) whole is the rectangle structure, and second connecting hole (43) both ends are the arc.

3. An efficient air duct (15) for smart buildings according to claim 2 characterized in that; the transmission mechanism (5) comprises a second threaded column (55), the second threaded column (55) penetrates through the first connecting hole (42), a first threaded column (51) is arranged between the second threaded column (55) and the ventilation opening (11), a transmission rod (52) is arranged at the bottom end of the first threaded column (51), and a transmission gear (53) is arranged at the bottom of the transmission rod (52).

4. A high efficiency air duct (15) for smart buildings according to claim 3 characterized in that; the transmission gear (53) is meshed with the steering gear (12), and a placing hole (54) is formed in the second threaded column (55).

5. The efficient ventilation pipe (15) for intelligent buildings according to claim 4, wherein the steering adjustment mechanism (2) comprises a connecting column (27), the connecting column (27) is arranged in a placing hole (54), the connecting column (27) is not in contact with the inner wall of the placing hole (54), a connecting rod (28) is arranged on one side of the upper end of the connecting column (27), the cross section of the connecting rod (28) is L-shaped, a connecting groove (212) is formed in the bottom end of the connecting rod (28), a connecting block (211) is arranged in the connecting groove (212), the connecting block (211) is in sliding connection with the connecting groove (212), a movable limiting plate (210) is arranged at the outer end of the connecting block (211), two sides of the movable limiting plate (210) are cambered surfaces, a connecting spring (213) is arranged on the top surface of the connecting block (211), a mounting plate (214) is arranged at the top of the connecting spring (213), the mounting plate (214) is fixedly connected with the connecting rod (28), a first connecting sleeve (33) is arranged at the top of the connecting column (27), a telescopic design is arranged at the bottom of a second threaded sleeve (29), and a top plate (22) is arranged on the top surface of the connecting column (27), a groove (23) is formed in the top plate (22), and the groove (23) is of an arc shape.

6. An efficient air duct (15) for smart buildings according to claim 5 characterized in that; threaded connection between second thread bush (29) and second screw post (55), and set up in second screw post (55) screw thread angle and be greater than 85 °, rotation groove (25) have been seted up in second thread bush (29), the guide way has been seted up in rotation groove (25), be provided with turning block (26) in rotation groove (25), and turning block (26) tip is provided with the guide block, the guide block is located the guide way, turning block (26) set up at connecting plate (41) top surface, and rotate post and connecting plate (41) fixed connection, spacing groove (215) have been seted up to second thread bush (29) top surface, and spacing groove (215) lateral wall is the design of cambered surface.

7. An efficient air duct (15) for smart buildings according to claim 2 characterized in that; it includes dwang (32) to hold power mechanism (3), dwang (32) run through the setting in second connecting hole (43), the top of dwang (32) is provided with wind cup (31), the bottom of dwang (32) is provided with holds power screw thread (37), the outer cover is equipped with first adapter sleeve (33) and second adapter sleeve (34) in proper order in dwang (32), second adapter sleeve (34) one side is provided with reset spring (35), the tip of reset spring (35) is provided with reset plate (36), fixed connection between reset plate (36) and connecting plate (41).

8. An efficient ventilation duct (15) for smart buildings according to claim 7 characterized in that; the power storage thread (37) is in meshed connection with the second threaded column (55).