CN213115356U - District underground garage ventilation structure - Google Patents

Abstract

The utility model provides a district underground garage ventilation structure belongs to underground garage technical field. The ventilation structure of the district underground parking garage comprises a ventilation pipe assembly and a closing assembly. Drive first baffle and second baffle through driving motor and turn up, after turning up first baffle and second baffle, the rotation axis, through the screw thread transmission principle, make the pivot leave the lateral wall in ventilation hole, take out the pivot, make pivot and first connecting plate separation, take out the bolt, remove the connection of connecting rod and first baffle, take off first baffle and second baffle, reach the purpose of demolising first baffle and second baffle, change first baffle and second baffle, install first baffle and second baffle according to demolising reverse direction's order, it is simple to dismantle and the installation, first baffle and second baffle are located the ventilation and manage the lateral wall, operating personnel alright change externally, and then the problem that the effectual baffle that improves current ventilation structure is not convenient for change.

Description

District underground garage ventilation structure

Technical Field

The utility model relates to an underground parking garage field particularly, relates to a district underground parking garage ventilation structure.

Background

The ventilation is divided into natural ventilation and mechanical ventilation according to the power that the air flow relied on, and garage ventilation system is one set of important system in civil building design, and its main function has: when the garage conflagration breaks out, the timely flue gas that forms after getting rid of the conflagration burning, strive for the time for personnel's evacuation, guarantee safety, when not having a conflagration, act as the effect of garage exhaust, guarantee the air health requirement in garage, guarantee personnel's comfort level, when the garage conflagration breaks out, underground garage ventilation structure can play the effect of ventilation and exhaust fume, inhale away and through the person in charge exhaust discharge passage through the cigarette that the exhaust fan will produce from the tubulation of airing exhaust, reduce the injury of cigarette to personnel, for making the smoke exhaust effect in local area improve, need use the baffle to close the exhaust pipe in the area that does not have a conflagration to take place, at present, the easy corrosion or damage that produces of backplate when using for a long time, the baffle sets up in the junction of airing exhaust tubulation and the person in charge, it is.

How to invent a ventilation structure of a district underground parking garage to improve the problems becomes a problem to be urgently solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above deficiency, the utility model provides a district underground garage ventilation structure aims at improving the problem that the baffle of current ventilation structure is not convenient for change.

The utility model discloses a realize like this:

a ventilation structure of a district underground parking garage comprises a ventilation pipe assembly and a closing assembly.

The ventilation pipe assembly comprises a plurality of ventilation branch pipes and a ventilation main pipe, the ventilation branch pipes are respectively and fixedly communicated with the ventilation main pipe, and the ventilation main pipe is provided with a mounting hole;

the closed assembly is arranged in a plurality of pieces and is arranged in the ventilation branch pipe, the closed assembly comprises a fixed shell piece, a driving motor, two fixed sleeves, a threaded rod, two sliding sleeve pieces, a connecting rod and a baffle piece, the fixed shell piece is inserted into the mounting hole, the fixed shell piece is fixedly connected to the ventilation branch pipe, the ventilation branch pipe is provided with a ventilation hole, the driving motor is fixedly connected to one end of the fixed shell piece, the two fixed sleeves are respectively and fixedly connected to two ends of the fixed shell piece, two ends of the threaded rod are respectively and rotatably connected to the two fixed sleeves, the output end of the driving motor is fixedly connected to the threaded rod, the sliding sleeve piece is in threaded sleeve connection with the threaded rod, the baffle piece is arranged in a plurality, and the baffle piece comprises a first baffle, a second baffle, a first baffle, The first connecting plate is fixedly connected with the first baffle, the first connecting plate is fixedly connected with the two ends, close to one side of the second baffle, of the first baffle, the rotating shaft is in threaded connection with the ventilation holes, the first connecting plate is rotatably connected with the rotating shaft, one end of the connecting rod is rotatably connected with the sliding sleeve piece, the other end of the connecting rod is rotatably connected with the first baffle through a bolt, the other end of the connecting rod is far away from one side of the second baffle, and the first baffle and the second baffle of the baffle piece are adjacent to each other in sequence.

The utility model discloses an in one embodiment, the ventilation is in charge of including body and shrouding, shrouding fixed connection in body one end.

In an embodiment of the present invention, a sliding rod is fixedly connected between the fixing sleeves, and the sliding sleeve is slidably sleeved on the sliding rod.

In an embodiment of the present invention, the fixed casing member includes a fixed casing, a first mounting plate and a second mounting plate, the first mounting plate and the second mounting plate are respectively fixedly connected to the outer walls of the two ends of the fixed casing.

In an embodiment of the present invention, the fixed housing is close to the third baffle fixedly connected to the inner wall of the first mounting plate, and close to the third baffle the lower side of the first baffle can be attached to the third baffle.

In an embodiment of the present invention, the third baffle includes a first plate and a first buffer plate, the first buffer plate is fixedly connected to the upper side of the first plate.

In an embodiment of the present invention, the fixed housing is close to the fourth baffle fixedly connected to the inner wall of the second mounting plate, which is close to the fourth baffle the lower side of the second baffle can be attached to the fourth baffle.

In an embodiment of the present invention, the fourth baffle includes a second plate and a second buffer plate, the second buffer plate is fixedly connected to the upper side of the second plate.

In an embodiment of the present invention, the first baffle is far away from the second baffle one side fixedly connected with second connecting plate, the connecting rod is rotatably connected to the second connecting plate through the bolt.

The utility model discloses an in one embodiment, the slip external member includes sliding sleeve and third connecting plate, the sliding sleeve sets up to a plurality ofly, the sliding sleeve with the connecting rod corresponds the setting, pass through between the sliding sleeve third connecting plate fixed connection.

The utility model has the advantages that: the utility model provides a ventilation structure of a district underground parking garage obtained by the design, when the first baffle and the second baffle need to be replaced, the first baffle and the second baffle are driven to turn up by the driving motor, the rotating shaft is rotated after the first baffle and the second baffle are turned up, through the screw thread transmission principle, make the pivot leave the lateral wall in ventilation hole, take the pivot out, make pivot and first connecting plate separation, take the bolt out, remove the connection of connecting rod and first baffle, take off first baffle and second baffle, reach the purpose of demolising first baffle and second baffle, change first baffle and second baffle, install first baffle and second baffle according to the order of demolising opposite direction, it is simple with the installation, first baffle and second baffle are located the ventilation and are in charge of the lateral wall, operating personnel externally alright change, and then the problem of the change of being not convenient for of the baffle of effectual improvement current ventilation structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a ventilation structure of an underground parking garage in a residential area according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a vent assembly according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a ventilation manifold according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a closure assembly according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a baffle member according to an embodiment of the present invention;

fig. 6 is an enlarged schematic structural diagram of a point a in fig. 5 according to an embodiment of the present invention;

FIG. 7 is a schematic view of a stationary housing member according to an embodiment of the present invention;

fig. 8 is an enlarged schematic structural diagram of a position B in fig. 7 according to an embodiment of the present invention;

fig. 9 is an enlarged schematic structural diagram of a point C in fig. 7 according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a sliding sleeve according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a second perspective of a ventilation structure of an underground parking garage in a residential area according to an embodiment of the present invention.

In the figure: 100-a vent tube assembly; 110-ventilation branch pipes; 111-a tube body; 112-closing plate; 120-a main ventilation pipe; 130-mounting holes; 200-a closure assembly; 210-securing a housing member; 211-a stationary housing; 212-a first mounting plate; 213-a second mounting plate; 214-a third baffle; 2141-a first plate; 2142-a first buffer plate; 215-a fourth baffle; 2151-a second plate; 2152-a second buffer plate; 220-a vent; 230-a drive motor; 240-a fixation sleeve; 250-a threaded rod; 260-a slide bar; 270-a sliding sleeve; 271-sliding sleeve; 272-a third connecting plate; 280-connecting rod; 290-a baffle member; 291-first baffle; 292-a second baffle; 293-first connecting plate; 294-a second connecting plate; 295-axis of rotation.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a ventilation structure for a residential underground parking garage, which includes a ventilation pipe assembly 100 and a closing assembly 200.

Referring to fig. 2, the ventilation pipe assembly 100 includes a plurality of ventilation branch pipes 110 and a ventilation main pipe 120, the ventilation branch pipes 110 are respectively and fixedly connected to the ventilation main pipe 120 by welding, and a mounting hole 130 is formed in the ventilation main pipe 120.

Referring to fig. 3, the ventilation branch pipe 110 includes a pipe body 111 and a sealing plate 112, the sealing plate 112 is fixedly connected to one end of the pipe body 111, and the sealing plate 112 is fixedly connected to one end of the pipe body 111 by welding.

Referring to fig. 4, the closure assembly 200 is provided in multiple pieces, the closure assembly 200 is disposed in the ventilation branch pipe 110, the closure assembly 200 includes a fixed housing member 210, a driving motor 230, fixing sleeves 240, a threaded rod 250, a sliding sleeve member 270, a connecting rod 280 and a baffle member 290, the fixed housing member 210 is inserted into the mounting hole 130, the fixed housing member 210 is fixedly connected to the ventilation branch pipe 110, the ventilation branch pipe 110 is provided with a ventilation hole 220, the driving motor 230 is fixedly connected to one end of the fixed housing member 210 by a bolt, the fixing sleeves 240 are provided in two pieces, the two fixing sleeves 240 are respectively fixedly connected to two ends of the fixed housing member 210 by a bolt or welding, two ends of the threaded rod 250 are respectively, the output end of the driving motor 230 is fixedly connected to the threaded rod 250, the output end of the driving motor 230 is fixedly connected to the threaded rod 250 through a bolt, the sliding sleeve member 270 is in threaded sleeve connection with the threaded rod 250, the sliding rod 260 is fixedly connected between the fixed sleeves 240, the sliding rod 260 is fixedly connected to the fixed sleeves 240 through a thread, and the sliding sleeve member 270 is in sliding sleeve connection with the sliding rod 260.

Referring to fig. 5 and 6, a plurality of baffle members 290 are provided, each baffle member 290 includes a first baffle 291, a second baffle 292, a first connecting plate 293 and a rotating shaft 295, each second baffle 292 is fixedly connected to the first baffle 291, each second baffle 292 and each first baffle 291 are of an integral structure, each first connecting plate 293 is fixedly connected to each end of the first baffle 291, which is close to one side of each second baffle 292, each first connecting plate 293 is fixedly connected to the first baffle 291 by welding, each rotating shaft 295 is screwed to the corresponding vent 220, each first connecting plate 293 is rotatably connected to the corresponding rotating shaft 295, one end of each connecting rod 280 is rotatably connected to the corresponding sliding sleeve 270 by a pin, the other end of each connecting rod 280 is rotatably connected to one side of the first baffle 291, which is far from the second baffle 292, each first baffle 291 and each second baffle 292 of adjacent baffle members 290 can be sequentially attached to each other, one side of, second connecting plate 294 is fixedly connected to first baffle 291, connecting rod 280 is rotatably connected to second connecting plate 294 through a latch, when first baffle 291 and second baffle 292 are to be replaced, first baffle 291 and second baffle 292 are rotated to separate first baffle 291 and second baffle 292 of adjacent baffle 290 from each other, so as to achieve the purpose of turning up first baffle 291 and second baffle 292, after first baffle 291 and second baffle 292 are turned up, rotating shaft 295 is rotated to separate rotating shaft 295 from side wall of ventilation hole 220 through screw driving principle, rotating shaft 295 is drawn out to separate rotating shaft 295 from first connecting plate 293, the latch is drawn out, connection of connecting rod 280 and second connecting plate 294 is released, first baffle 291 and second baffle 292 are removed, so as to achieve the purpose of removing first baffle 291 and second baffle 292, first baffle 291 and second baffle 292 are replaced, first baffle 291 and second baffle 292 are installed in reverse order of removing direction, the disassembly and assembly process is simple, the first baffle 291 and the second baffle 292 are positioned on the side wall of the ventilation branched pipe 110, an operator can replace the baffles outside, and the problem that the baffles of the existing ventilation structure are not convenient to replace is effectively solved.

Referring to fig. 7, the fixed casing member 210 includes a fixed casing 211, a first mounting plate 212 and a second mounting plate 213, the first mounting plate 212 and the second mounting plate 213 are respectively and fixedly connected to the outer walls of the two ends of the fixed casing 211 by welding, the first mounting plate 212 and the second mounting plate 213 are fixedly connected to the ventilation branch pipe 110 by bolts, when the whole closed assembly 200 needs to be replaced, the bolts are removed, the closed assembly 200 can be taken out through the mounting holes 130, after replacement, the closed assembly 200 is put into the mounting holes 130 and fixed by the bolts, the replacement process is simple, and the purpose of replacing the closed assembly 200 is achieved.

Referring to fig. 8, a third baffle 214 is fixedly connected to an inner wall of the fixed housing 211 near one end of the first mounting plate 212, the third baffle 214 is fixedly connected to the fixed housing 211 by welding, a lower side of the first baffle 291 near the third baffle 214 can be attached to the third baffle 214, the third baffle 214 includes a first plate 2141 and a first buffer 2142, the first buffer 2142 is fixedly connected to an upper side of the first plate 2141 by gluing, and a gap between the first plate 2141 and the first baffle 291 is reduced.

Referring to fig. 9, a fourth baffle plate 215 is fixedly connected to an inner wall of the fixed housing 211 near one end of the second mounting plate 213, the fourth baffle plate 215 is fixedly connected to the fixed housing 211 by welding, a lower side of a second baffle plate 292 near the fourth baffle plate 215 can be attached to the fourth baffle plate 215, the fourth baffle plate 215 includes a second plate body 2151 and a second buffer plate 2152, the second buffer plate 2152 is fixedly connected to an upper side of the second plate body 2151, and the second buffer plate 2152 is fixedly connected to an upper side of the second plate body 2151 by gluing, so that a gap between the second plate body 2151 and the second baffle plate 292 is reduced.

Referring to fig. 10, the sliding sleeve 270 includes a plurality of sliding sleeves 271 and a third connecting plate 272, the sliding sleeves 271 are disposed correspondingly, the sliding sleeves 271 and the connecting rods 280 are fixedly connected through the third connecting plate 272, and the sliding sleeves 271 and the third connecting plate 272 are fixedly connected through welding.

Referring to fig. 11, when the vent hole 220 needs to be opened and closed, the driving motor 230 is opened, the driving motor 230 drives the threaded rod 250 to rotate, through the principle of thread transmission, the threaded rod 250 drives the sliding sleeve 271 and the third connecting plate 272 to move along the direction of the threaded rod 250, the sliding sleeve 271 drives one end of the connecting rod 280 to move, the other end of the connecting rod 280 drives the first baffle 291 and the second baffle 292 to rotate around the rotating shaft 295, during the rotation of the first baffle 291 and the second baffle 292, when the first baffle 291 and the second baffle 292 of adjacent baffle members 290 are sequentially attached to each other, the first baffle 291 at one end is attached to the first buffer 2142, and the second baffle 292 at the other end is attached to the second buffer 2152, the purpose of closing the vent hole 220 is achieved through the first baffle 291 and the second baffle 292, when the first baffle 291 and the second baffle 292 of adjacent baffle members 290 are sequentially separated from each other and turned over, the vent hole 220, the purpose of opening and closing the vent holes 220 is achieved, when a local fire breaks out, the vent holes 220 at the position are opened, the rest vent holes 220 are closed, the wind power of the exhaust fan is constant, the ventilation area is reduced, the ventilation effect of the vent holes 220 at the position is enhanced, and the purpose of improving the smoke exhaust effect of a local area is further achieved.

Specifically, this district underground garage ventilation structure's theory of operation: when the vent hole 220 needs to be opened and closed, the driving motor 230 is opened, the driving motor 230 drives the threaded rod 250 to rotate, through the principle of thread transmission, the threaded rod 250 drives the sliding sleeve 271 and the third connecting plate 272 to move along the direction of the threaded rod 250, the sliding sleeve 271 drives one end of the connecting rod 280 to move, the other end of the connecting rod 280 drives the first baffle 291 and the second baffle 292 to rotate around the rotating shaft 295, when the first baffle 291 and the second baffle 292 of adjacent baffle members 290 are sequentially attached to each other, the first baffle 291 at one end is attached to the first buffer 2142, and the second baffle 292 at the other end is attached to the second buffer 2152, the purpose of closing the vent hole 220 is achieved through the first baffle 291 and the second baffle 292, when the first baffle 291 and the second baffle 292 of adjacent baffle members 290 are sequentially separated from each other and turned over, the vent hole 220 is opened and closed, when a local fire breaks out, the vent holes 220 at the position are opened, the rest vent holes 220 are closed, the wind power of the exhaust fan is constant, the ventilation area is reduced, the ventilation effect of the vent holes 220 at the position is enhanced, and the smoke exhaust effect of a local area is improved.

When the first and second shutters 291 and 292 need to be replaced, the first and second shutters 291 and 292 are rotated to separate the first and second shutters 291 and 292 of the adjacent shutter 290 from each other, so as to achieve the purpose of turning up the first and second shutters 291 and 292, after the first and second shutters 291 and 292 are turned up, the shaft 295 is rotated to separate the shaft 295 from the side wall of the ventilation hole 220 by the screw driving principle, the shaft 295 is drawn out to separate the shaft 295 from the first connection plate 293, the latch is drawn out to release the connection between the link 280 and the second connection plate 294, the first and second shutters 291 and 292 are removed to achieve the purpose of removing the first and second shutters 291 and 292, the first and second shutters 291 and 292 are replaced, the first and second shutters 291 and 292 are installed in the order of the opposite removing direction, the removing and installing processes are simple, the first and second shutters 291 and 292 are located on the side wall of the ventilation branched duct 110, operating personnel alright change externally, and then the baffle of effectual improvement current ventilation structure is not convenient for the problem of changing.

It should be noted that the specific model specification of the driving motor 230 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

The power supply of the driving motor 230 and its principle will be clear to those skilled in the art and will not be described in detail here.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A ventilation structure of a residential underground parking garage is characterized by comprising

The ventilation pipe assembly (100) comprises a plurality of ventilation branch pipes (110) and a ventilation main pipe (120), the ventilation branch pipes (110) are arranged, the ventilation branch pipes (110) are respectively and fixedly communicated with the ventilation main pipe (120), and the ventilation main pipe (120) is provided with a mounting hole (130);

a closure assembly (200), wherein the closure assembly (200) is provided in multiple pieces, the closure assembly (200) is provided in the ventilation branch pipe (110), the closure assembly (200) comprises a fixed shell member (210), a driving motor (230), fixing sleeves (240), a threaded rod (250), a sliding sleeve member (270), a connecting rod (280) and a baffle member (290), the fixed shell member (210) is inserted into the mounting hole (130), the fixed shell member (210) is fixedly connected to the ventilation branch pipe (110), the ventilation branch pipe (110) is provided with a ventilation hole (220), the driving motor (230) is fixedly connected to one end of the fixed shell member (210), the fixing sleeves (240) are provided in two pieces, the two fixing sleeves (240) are respectively and fixedly connected to two ends of the fixed shell member (210), two ends of the threaded rod (250) are respectively and rotatably connected to the two fixing sleeves (240), the output end of the driving motor (230) is fixedly connected to the threaded rod (250), the sliding sleeve (270) is in threaded sleeve connection with the threaded rod (250), the baffle members (290) are arranged in a plurality of numbers, each baffle member (290) comprises a first baffle (291), a second baffle (292), a first connecting plate (293) and a rotating shaft (295), the second baffle (292) is fixedly connected to the first baffle (291), the first connecting plates (293) are fixedly connected to two ends of the first baffle (291) close to one side of the second baffle (292), the rotating shaft (295) is in threaded connection with the ventilation hole (220), the first connecting plate (293) is in rotational connection with the rotating shaft (295), one end of the connecting rod (280) is in rotational connection with the sliding sleeve (270), the other end of the connecting rod (280) is in rotational connection with one side of the first baffle (291) far away from the second baffle (292) through a bolt, the first and second flaps (291, 292) of adjacent barrier members (290) can be sequentially attached to each other.

2. The ventilation structure for the underground parking garage of a community as claimed in claim 1, wherein said ventilation branch pipe (110) comprises a pipe body (111) and a sealing plate (112), said sealing plate (112) is fixedly connected to one end of said pipe body (111).

3. The ventilating structure of underground parking garage of claim 1, wherein slide bars (260) are fixedly connected between said fixing sleeves (240), and said sliding sleeve members (270) are slidably sleeved on said slide bars (260).

4. The ventilating structure of underground parking garage of small area according to claim 1, wherein said fixed casing member (210) comprises a fixed casing (211), a first mounting plate (212) and a second mounting plate (213), said first mounting plate (212) and said second mounting plate (213) are fixedly connected to the outer wall of both ends of said fixed casing (211), respectively.

5. A ventilating structure for an underground parking garage of a small area according to claim 4, wherein a third baffle plate (214) is fixedly connected to the inner wall of said fixed housing (211) near one end of said first mounting plate (212), and the lower side of said first baffle plate (291) near said third baffle plate (214) can be attached to said third baffle plate (214).

6. The ventilation structure of underground parking garage of claim 5, wherein said third baffle plate (214) comprises a first plate body (2141) and a first buffer plate (2142), said first buffer plate (2142) is fixedly connected to the upper side of said first plate body (2141).

7. The ventilation structure for an underground parking garage of a small area according to claim 4, wherein a fourth baffle (215) is fixedly connected to the inner wall of said fixed housing (211) near one end of said second mounting plate (213), and the lower side of said second baffle (292) near said fourth baffle (215) can be attached to said fourth baffle (215).

8. The ventilating structure of the district underground parking garage according to claim 7, wherein the fourth baffle plate (215) comprises a second plate body (2151) and a second buffer plate (2152), and the second buffer plate (2152) is fixedly connected to the upper side of the second plate body (2151).

9. The ventilation structure of underground parking garage of small area according to claim 1, wherein a second connecting plate (294) is fixedly connected to a side of said first baffle (291) far from said second baffle (292), and said connecting rod (280) is rotatably connected to said second connecting plate (294) by a latch.

10. The ventilating structure of the underground parking garage of claim 1, wherein said sliding sleeve assembly (270) comprises a plurality of sliding sleeves (271) and a third connecting plate (272), said sliding sleeves (271) are correspondingly arranged with said connecting rods (280), and said sliding sleeves (271) are fixedly connected with each other through said third connecting plate (272).

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